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ESP32 Devices with LTE Technology

ESP32 Devices with LTE Technology

Discover a new realm of possibilities with ‘Unleashing the Power of Connectivity: ESP32 Devices with LTE Technology’ through this article. Dive into the seamless integration of ESP32 devices and LTE technology, unlocking a world of fast, reliable, and versatile connectivity. This meta description invites you to explore the cutting-edge synergy between ESP32 and LTE, empowering your projects with enhanced communication capabilities, wider reach, and unprecedented efficiency. Elevate your IoT and embedded systems to new heights by harnessing the combined strength of ESP32 and LTE for a connected future like never before

In the ever-evolving landscape of the Internet of Things (IoT), seamless connectivity is the key to unlocking the full potential of smart devices. The ESP32, a versatile and powerful microcontroller, has been a game-changer in the world of IoT development. Now, with the integration of Long-Term Evolution (LTE) technology, ESP32 devices are taking a giant leap forward, enabling faster and more reliable wireless communication. In this article, we’ll explore the benefits and applications of ESP32 devices with LTE technology.

The ESP32, developed by Espressif Systems, has gained widespread popularity for its dual-core processing capabilities, integrated Wi-Fi, and Bluetooth functionalities. It has become the microcontroller of choice for a wide range of IoT applications, from home automation to industrial monitoring.

Introduction of LTE Technology

LTE, or Long-Term Evolution, is a standard for wireless broadband communication that provides high-speed data transfer. With LTE, ESP32 devices can now tap into cellular networks, offering a more robust and widely accessible communication method compared to traditional Wi-Fi or Bluetooth connections.

Key Advantages of ESP32 Devices with LTE Technology

Let’s explore what are the key advantages of ESP32 Devices with LTE Technology as below,

Extended Range and Coverage:

  • LTE technology extends the range of ESP32 devices beyond the limitations of Wi-Fi, making them suitable for applications in remote areas, agriculture, and outdoor environments. This ensures reliable connectivity even in areas with limited or no Wi-Fi coverage.

Enhanced Data Transfer Speeds:

  • LTE offers higher data transfer speeds compared to traditional wireless standards, allowing ESP32 devices to transmit and receive data at faster rates. This is particularly crucial for applications that require real-time data processing, such as video streaming or remote monitoring.

Improved Reliability:

  • LTE networks are known for their reliability and stability. ESP32 devices with LTE can maintain a consistent connection, reducing the chances of signal interruptions and enhancing the overall reliability of IoT applications.

Global Connectivity:

  • Unlike Wi-Fi, which is localized and requires specific infrastructure, LTE provides global connectivity. ESP32 devices equipped with LTE can communicate across borders, making them ideal for applications that demand international reach, such as asset tracking and logistics.

Applications of ESP32 with LTE

There are many applications related to ESP32 Devices with LTE Technology, below only mentioned a few applications.

Smart Agriculture:

  • ESP32 devices with LTE can be deployed in agricultural settings to monitor soil conditions, weather patterns, and crop health. The extended range and reliability of LTE ensure seamless connectivity across large farmlands.

Industrial IoT (IIoT):

  • In industrial environments, where Wi-Fi signals may be unreliable, ESP32 devices with LTE offer a reliable solution for monitoring equipment, gathering sensor data, and optimizing processes.

Asset Tracking:

  • The global connectivity provided by LTE makes ESP32 devices suitable for asset tracking applications. Whether tracking vehicles, containers, or valuable assets, LTE ensures constant communication and accurate location data.

Smart Cities:

  • ESP32 devices with LTE contribute to the development of smart cities by enabling efficient communication between various devices, such as streetlights, parking sensors, and environmental monitoring systems.

Conclusion

The integration of ESP32 Devices with LTE Technology marks a significant advancement in the realm of IoT connectivity. Developers and businesses can leverage the extended range, improved data transfer speeds, and global connectivity to create innovative and reliable solutions for a variety of applications. As ESP32 Devices with LTE Technology become more prevalent, the landscape of IoT will continue to evolve, opening up new possibilities for a connected and intelligent future.

ESP32 PLC

ESP32 with LTE technology and NORVI Controllers are available to buy.

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GSM Integration in Industrial PLCs: ESP32 and Arduino-Powered PLCs with GSM Connectivity

Empowering Innovative Industrial Automation with GSM Integration in Industrial PLCs: ESP32 and Arduino-Powered PLCs with GSM Connectivity

In the realm of industrial automation, the integration of advanced technologies has become paramount to enhance efficiency, connectivity, and real-time monitoring. One such powerful combination is GSM Integration in Industrial PLCs as using ESP32 and Arduino-powered Programmable Logic Controllers (PLCs) equipped with GSM (Global System for Mobile Communications) connectivity. This article delves into the capabilities of ESP32 and Arduino in the context of PLCs, highlighting the advantages of GSM integration for seamless communication in industrial applications, especially for the NORVI GSM series.

ESP32 and Arduino: A Dynamic Duo

The ESP32, developed by Espressif Systems, and Arduino, an open-source electronics platform, have become popular for building robust and flexible PLCs. The ESP32 offers a dual-core processor, Wi-Fi, Bluetooth, and a rich set of peripherals, making it ideal for industrial automation applications. Arduino, with its easy-to-use development environment, extensive community support, and a wide array of compatible shields, complements the ESP32 to create a powerful combination for PLCs.

Key Features of ESP32 and Arduino for PLCs

  • Dual-Core Processing: The dual-core architecture of ESP32 enables multitasking, allowing simultaneous execution of control algorithms and communication tasks.
  • Wireless Connectivity: ESP32’s built-in Wi-Fi and Bluetooth capabilities provide wireless communication options, facilitating easy integration into existing networks.
  • Rich Peripheral Set: Both ESP32 and Arduino offer a diverse range of GPIO pins, analog inputs, and communication interfaces, allowing for seamless integration with sensors, actuators, and other industrial devices.
  • Open-Source Ecosystem: Arduino’s open-source nature fosters a collaborative community, resulting in a vast library of pre-built functions and shields that can be readily employed in PLC projects.

GSM Integration in Industrial PLCs

GSM technology plays a pivotal role in enabling remote communication for industrial systems. By integrating GSM modules with ESP32 and Arduino-powered PLCs, several benefits are realized. Refer to the following benefits of GSM Integration in Industrial PLCs.

  • Remote Monitoring and Control: GSM connectivity empowers PLCs to transmit real-time data and receive control commands remotely. This capability is crucial for industries where on-site presence is limited or not feasible.
  • Data Logging and Analysis: PLCs equipped with GSM can log data and send it to a centralized server for analysis. This facilitates predictive maintenance, process optimization, and data-driven decision-making.
  • Alerts and Notifications: Instantaneous communication through GSM enables prompt alerting in case of critical events or system failures. This proactive approach minimizes downtime and enhances overall system reliability.
  • Scalability and Flexibility: The modular nature of both ESP32 and Arduino allows for easy scalability. Additional GSM modules can be integrated to accommodate growing communication requirements, making the system highly flexible.

Case Study: Industrial Application of ESP32 and Arduino PLC with GSM

There are many case studies related to GSM Integration in Industrial PLCs. Let’s consider a practical example of an industrial water treatment plant that employs an ESP32 and Arduino-powered PLC with GSM connectivity.

  • Sensor Integration: The PLC interfaces with sensors measuring water quality, flow rates, and tank levels, utilizing the GPIO and analog inputs.
  • Control Algorithms: The dual-core processing capability of ESP32 allows for the implementation of sophisticated control algorithms to regulate chemical dosing, pump speeds, and valve positions based on real-time sensor data.
  • GSM Communication: The PLC is equipped with a GSM module to transmit data on water quality, system status, and operational parameters to a centralized control center.
  • Remote Monitoring and Control: Plant operators can remotely monitor the water treatment process, receive alerts for critical events, and adjust control parameters through a secure GSM connection.
  • Data Logging and Analysis: Historical data is logged and transmitted to a cloud-based server for analysis. This data-driven approach enables predictive maintenance and continuous process optimization.

Conclusion

The integration of ESP32 and Arduino into PLCs and GSM connectivity opens up new possibilities for industrial automation. This dynamic duo provides a cost-effective, scalable, and flexible solution for diverse applications, ranging from manufacturing to water treatment. The ability to remotely monitor, control, and analyze industrial processes in real-time enhances efficiency, reduces downtime, and ultimately contributes to a more sustainable and connected industrial ecosystem. As technology continues to advance, the synergy between ESP32, Arduino, and GSM holds immense potential for shaping the future of industrial automation. Therefore, GSM Integration in Industrial PLCs are creates the innovative industrial automation projects even better.

 

ESP32 PLC

NORVI has ESP32-based and Arduino-powered Devices which has GSM connectivity which comes as the NORVI GSM series. Visit the product page Now: https://norvi.lk/product/esp32-gsm-series/

 

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How to connect 4 – 20mA Industrial Sensors with ESP32 PLC

How to connect 4 - 20mA Industrial Sensors with ESP32 PLC: A Comprehensive Guide

Connecting 4-20mA industrial sensors to an ESP32 PLC involves several steps, including understanding the sensor, configuring the ESP32, and handling the analog signal conversion. Here’s a comprehensive guide to help you:

Connect 4 - 20mA Industrial Sensors with ESP32 PLC

Connecting 4-20mA industrial sensors with an ESP32 PLC offers several advantages in industrial applications:

Compatibility: 4-20mA sensors are widely used in industrial settings due to their resilience against electrical interference and ability to transmit data over long distances without significant loss. ESP32 PLCs with analog input capabilities can easily interface with these sensors, enabling seamless integration into existing industrial systems.

Data Acquisition: ESP32 microcontrollers have analog-to-digital converters (ADCs) that can accurately read analog signals. By connecting 4-20mA sensors to the ESP32, you can efficiently capture and process sensor data, allowing for real-time monitoring and control of industrial processes.

Cost-effectiveness: ESP32 microcontrollers offer a cost-effective solution for acquiring sensor data. They provide flexibility, programmability, and connectivity options, making them suitable for various industrial automation and monitoring tasks at a relatively low cost compared to specialized PLCs.

Scalability and Customization: The ESP32 platform offers flexibility for customization and scalability. It allows developers to create tailored solutions by writing custom code to interpret sensor data, implement control algorithms, and interface with other devices or networks, meeting specific industrial requirements.

Internet Connectivity: ESP32 boards feature built-in Wi-Fi and Bluetooth capabilities, enabling connectivity to local networks or the internet. This connectivity facilitates remote monitoring, data logging, and control, offering enhanced accessibility and convenience in managing industrial processes.

Compact Size and Efficiency: ESP32 devices come in compact sizes, offering space-saving advantages in industrial environments. Despite their small form factor, they boast sufficient processing power and energy efficiency, suitable for continuous operation in industrial applications.

Understanding 4-20mA Industrial Sensors

Know Your Sensor: Identify the type of sensor you’re dealing with (temperature, pressure, etc.), its specifications, and the range of values it can output (typically 4-20mA).

Power Supply: 4-20mA sensors often require a power supply. They might operate on loop power, where the same two wires used for transmitting the signal also supply power to the sensor.

ESP32 PLC Setup

ESP32 Board Selection: Choose an ESP32 board suitable for PLC applications.

Analog Input: ESP32 boards usually have built-in ADCs (Analog to Digital Converters) that can read analog signals. Determine the number of analog input pins available and their specifications.

Signal Conditioning and Conversion

Current-to-Voltage Conversion: 4-20mA signals need to be converted to a voltage signal that the ADC can read. This involves using a resistor (known as a shunt resistor) to convert the current to a measurable voltage. Ohm’s law (V = IR) can be applied, where V is the voltage across the resistor, I is the current, and R is the resistor value.

The INA196 measures the voltage drop across this shunt resistor. The voltage across the shunt resistor (Vshunt) can be calculated using Ohm’s Law:

Vshunt = Isensor × Rshunt

Vshunt  is the voltage across the shunt resistor.

Isensor is the current through the sensor.

Rshunt is the resistance of the shunt resistor.

Once you have the voltage across the shunt resistor, you can use the gain equation for the INA196 to calculate the output voltage:

Vout =(Vshunt ×G) 

Vout is the output voltage of the INA196.

G is the gain of the INA196.

Example:

Assuming a 4mA current sensor connected to the INA196, the sensor is likely producing a 4mA current through a shunt resistor, and 

Isensor = 4mA 

Rshunt = 10

Vshunt = Isensor × Rshunt

Vshunt = 4mA 10

Vshunt =  40mV

G(INA196) = 20 V/V

Vout =(Vshunt ×G) 

Vout =(40mV ×20 V/V) 

Vout = 0.8 V

 

Resistor Selection: Choose a suitable shunt resistor value to convert the 4-20mA range to a voltage range that doesn’t exceed the ESP32 ADC’s maximum input voltage.

Circuit Connection

Connect the Sensor: Wire the sensor to the power supply and the shunt resistor. Ensure proper grounding and follow the sensor’s datasheet for correct wiring.

Connect to ESP32: Connect the output of the shunt resistor (voltage signal) to the ESP32’s analog input pin. Pay attention to the voltage range and make sure it falls within the ADC’s specifications.

ESP32 Programming

Analog Input Reading: Write code to read the analog voltage from the connected pin using the ADC library provided for the ESP32.

Voltage-to-Value Conversion: Convert the read voltage value to the actual sensor value using appropriate scaling formulas. Map the voltage range you’ve measured to the corresponding 4-20mA current range.

Testing and Calibration

Calibration: Test the setup with known values to calibrate and verify the accuracy of your sensor readings. Adjust scaling factors if needed.

Monitor Readings: Develop a monitoring system or interface (web-based, serial monitor, etc.) to display and log the sensor readings from the ESP32.

Considerations

Noise and Interference: 4-20mA signals are robust against noise, but ensure proper shielding and grounding to minimize interference.

Power Supply Stability: Ensure a stable power supply for both the sensor and the ESP32 to avoid fluctuations affecting sensor readings.

Safety Measures: Comply with safety standards and take necessary precautions, especially when dealing with industrial sensors and electrical components.

Conclusion

By following these steps and considering these aspects, you should be able to successfully interface 4-20mA industrial sensors with an ESP32-based PLC for accurate readings and monitoring in your industrial setup.

In summary, the process of linking 4-20mA industrial sensors to an ESP32 PLC is multifaceted. It involves comprehending the sensor’s operational requirements, configuring the ESP32 platform, and implementing signal conversion mechanisms. By utilizing a resistor to transform the sensor’s current output into a compatible voltage for the ESP32’s input, establishing secure and accurate connections, and developing code to interpret sensor data, a systematic approach ensures functionality. Rigorous testing, calibration with known benchmarks, and prioritizing safety measures contribute to the development of a robust and dependable system for collecting precise data from industrial sensors via an ESP32 PLC interface.

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How to Interface 0-10V Analog Sensor with ESP32

How to Interface 0-10V Analog Sensor with ESP32: A Comprehensive Guide

In the realm of industrial automation and control systems, interfacing a 0-10V Analog Sensor with ESP32 microcontroller is an essential requirement of systems. This requires attenuating 0 – 10V Analog signal to acceptable levels of microcontroller level ADC, in cases where higher accuracy is required, 16bit ADC of ADS1115 can be used.

Why 0-10V Analog Sensor with ESP32

If you’ve wanted a 0-10V Analog Sensor with ESP32. It is needed to follow the steps outlined in this article and be able to successfully connect the 0-10V analog sensor to the ESP32. After uploading the code and testing the setup, it was able to accurately measure the values and take action for transmit. This practical application not only helped to understand the process better but also highlighted the importance of using analog sensors with microcontrollers for real-world projects.

It’s a given that 0-10V industrial sensors are the stalwarts of the sensor family. Robust, reliable, and remarkably versatile, these sensors have been the backbone of industrial sensing for decades. Pairing them with the ESP32, a powerhouse in its own right with WiFi and Bluetooth capabilities, opens up possibilities that would make even the most seasoned engineer’s heart race.

Components Required

If you’re going to build a 0-10V Analog Sensor with ESP32, for that, You’ll need your trusty ESP32 board, a 0-10V analog sensor, a voltage divider or a level shifter (because ESP32 can’t handle 10V directly on its pins), and the usual suspects: resistors, breadboard, jumper wires, and a power supply. Quality components make for a quality project, so don’t skimp.

Circuit Diagram

Here’s where things get interesting. The ESP32 is capable but sensitive; its analog inputs can only tolerate up to 3.3V. So, we’ll need a voltage divider to step down the 0-10V signal to a more ESP32-friendly level. It has to remember the first time that a pin blew out by being overzealous with voltage. 

Code

Coding for the ESP32 is a delightful challenge. You’ll need to calibrate your code to account for the voltage divider’s scaling. The ESP32 uses a 12-bit analog-to-digital converter, giving us values from 0 to 4095 for 0-3.3V, which we’ll map back to 0-10V. I’ve coded in various settings, but the exhilaration of seeing your code compile and run correctly never gets old.

Testing the 0-10V Analog Sensor with ESP32

Now comes the moment of truth, testing. Here, every connection, every line of code, and every calibration is put to the test. It’s more than just making sure things work; it’s about precision, it’s about reliability—it’s about the perfect interplay between hardware and software.

  • Uploading the Code

Uploading the code to the ESP32 is as straightforward as it is nerve-wracking. The anticipation builds with each progress bar increment. If all goes well, you’ll be greeted with a series of values in your serial monitor that reflect the real-world parameters your sensor is detecting.

  • Output

Watching the serial monitor tick off numbers as your sensor reacts to the environment is akin to a maestro conducting an orchestra. Each value is a note, each fluctuation a harmony. It’s not just numbers; it’s a symphony of data telling you a story of the physical world around you.

Insider Tip: Always monitor your sensor’s output before deploying it in the field. It’s the difference between a well-tuned instrument and a cacophony.

Conclusion

Interfacing a 0-10V Analog Sensor with ESP32 is a task that epitomizes the fusion of old-school robustness with cutting-edge technology. It’s a testament to an engineer’s ability to adapt, innovate, and overcome the challenges of a constantly evolving field. Go forth, interface with confidence, and may your sensors always read true.

 

ESP32 PLC

NORVI IIOT series offers 0 – 10V compatible Analog Inputs, where you can get rid of the external attenuation networks and it has a 16 bit ADC resolution with higher accuracy. This makes ESP32 Applicable in industrial 0 – 10V measurement applications.  

So, if you need 0-10V Analog Sensor with ESP32, NORVI is the best solution.

Visit Now: https://norvi.lk/norvi-iiot-industrial-iot-node-esp/

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Communicating with MODBUS Devices with ESP32

Communicating with MODBUS Devices with ESP32 to power-up innovative Automation

Learn how to unleash the power of industrial automation and IoT applications by leveraging MODBUS Devices with ESP32. Explore MODBUS RTU and TCP/IP protocols, hardware setups, and libraries for seamless integration. Discover why NORVI controllers stand out as a reliable MODBUS solution. Visit our product page for more details

Communicating via MODBUS Devices with ESP32 microcontroller opens up a world of possibilities for industrial automation, IoT applications, and control systems. MODBUS, a widely used communication protocol, allows various devices to exchange data straightforwardly and efficiently. The ESP32, with its powerful capabilities and built-in support for various communication protocols, provides an excellent platform to interface with MODBUS-enabled devices.

Understanding MODBUS Protocol

MODBUS is a serial communication protocol developed in the late 1970s for industrial applications. It has since evolved into a widely adopted standard for connecting electronic devices in supervisory control and data acquisition (SCADA) systems, industrial automation, and other applications.

The protocol operates on two main variants: MODBUS RTU (Remote Terminal Unit) and MODBUS TCP/IP (Transmission Control Protocol/Internet Protocol). RTU uses serial communication (RS-232 or RS-485), while TCP/IP operates over Ethernet networks.

MODBUS follows a client-server architecture, where a master device (client) initiates requests to read or write data to slave devices (servers). Each device in a MODBUS network has a unique address to enable communication.

MODBUS Devices with ESP32

MODBUS Devices with ESP32

The ESP32 is a powerful and versatile microcontroller equipped with Wi-Fi, Bluetooth, and various I/O interfaces. To communicate with MODBUS devices, the ESP32 can use its UART (Universal Asynchronous Receiver-Transmitter) for MODBUS RTU communication or its Wi-Fi module for MODBUS TCP/IP communication. Therefore, MODBUS Devices with ESP32 is vital.

Using ESP32’s UART for MODBUS RTU

  • Hardware Setup:
    • Connect RS-485 devices in multidrop to the RS-485 terminal of the NORVI Controller.  
  • Software Implementation:
    • Utilize existing libraries like “ModbusMaster” or “Modbus RTU” for Arduino/ESP-IDF to handle MODBUS communication.
    • Configure the ESP32’s UART pins and baud rate to match the settings of the MODBUS device.
    • Implement read and write functions to communicate with MODBUS slaves using the chosen library.

Using ESP32’s Wi-Fi for MODBUS TCP/IP

  • Wi-Fi Setup:
    • Connect the ESP32 to the local Wi-Fi network to establish an internet connection.
  • Library and Implementation:
    • Employ libraries like “ModbusIP_ESP8266” or “ESP8266ModbusServer” adapted for the ESP32.
    • Set up the ESP32 as a MODBUS TCP/IP server or client, depending on the application requirements.
    • Implement read and write functions to communicate with other MODBUS devices over Wi-Fi.

Considerations and Best Practices

  • Addressing: Ensure correct addressing of MODBUS devices to access specific data registers.
  • Error Handling: Implement error handling mechanisms to manage communication failures or timeouts.
  • Data Validation: Validate the received data to ensure integrity and accuracy.
  • Security: Implement security measures, especially when using Wi-Fi, to prevent unauthorized access to the network and devices.

WHY NORVI as a MODBUS Solution?

Our NORVI controllers have built-in TTL to RS-485 converters.. So the RS-485 devices can be connected directly to the NORVI Controllers. RS-485 on the NORVI Controller can be used to communicate with external sensor networks and PLCs.

VISIT OUT Product Page Now: https://norvi.lk/products/

Conclusion

The ESP32’s flexibility and capabilities make it an excellent platform for interfacing with MODBUS-enabled devices. Whether using UART for MODBUS RTU or Wi-Fi for MODBUS TCP/IP communication, the ESP32 can efficiently handle data exchange, enabling seamless integration into various industrial and IoT applications. Understanding the nuances of the MODBUS protocol and leveraging appropriate libraries and configurations is key to successful communication between MODBUS Devices with ESP32, facilitating efficient control and monitoring in diverse settings.

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Arduino Digital Inputs vs Industrial Arduino Inputs

Arduino Digital Inputs vs Industrial Arduino Inputs :Unleashing the Potency for Innovative Projects

Discover how Arduino’s accessibility and adaptability have transformed microcontroller programming for hobbyists, students, and enthusiasts. Dive into the crucial realm of Arduino Digital Inputs vs Industrial Arduino Inputs, exploring their pivotal role and comparing them.

Arduino has revolutionized the automation world by making microcontroller programming accessible to hobbyists, students, and enthusiasts. Its ease of use and versatility have spurred widespread adoption for countless projects. One critical aspect of using Arduino boards involves understanding digital inputs and their applications, particularly when comparing them to inputs found in industrial-grade Arduino counterparts.

Understanding Arduino Digital Inputs

Arduino boards are equipped with an array of digital pins that function flexibly as either inputs or outputs. Specifically, digital inputs perform the pivotal task of interpreting voltage levels, determining the presence of either a HIGH or LOW signal. This adaptability enables them to effectively detect and process signals emanating from a diverse range of sources, including switches, sensors, or other digital devices.

The versatility of Arduino’s digital inputs is a key factor contributing to their widespread applicability across various domains. From facilitating straightforward robotics projects to aiding in the automation of household systems and serving as integral components in educational initiatives, these inputs prove their utility in a multitude of scenarios. Their functionality extends to tasks such as discerning the status of buttons, capturing motion data through sensors, or efficiently receiving signals transmitted by other digital devices.

Moreover, their ease of integration into projects of varying complexities renders them indispensable tools for hobbyists, students, and enthusiasts exploring the realms of electronics and programming. The simplicity with which these inputs can be employed to interface with an extensive array of sensors and devices amplifies their significance in enabling innovation and experimentation within the Arduino ecosystem.

In essence, the adaptability and multifaceted nature of Arduino’s digital inputs not only cater to a wide spectrum of applications, including basic to moderately complex projects, but also serve as foundational elements fostering learning, exploration, and creativity in the realm of microcontroller-based electronics.

Advantages of Arduino Digital Inputs

  • Ease of Use: The user-friendly nature of Arduino’s digital inputs is a key attribute that caters to beginners, establishing them as an ideal choice for entry-level projects. Their straightforward configuration and intuitive setup contribute significantly to simplifying the initial learning curve for individuals new to electronics and programming. This accessibility empowers novices to delve into the world of microcontrollers with confidence, fostering a sense of accomplishment and encouraging further exploration and skill development.
  • Cost-Effectiveness: Another notable advantage lies in the cost-effectiveness of Arduino boards, which serve as a gateway for hobbyists to experiment without imposing a substantial financial burden. These boards are relatively affordable, ensuring accessibility to a wider demographic and encouraging experimentation and innovation without the constraints of high initial investments. This affordability encourages creativity, enabling enthusiasts to explore various concepts, test ideas, and bring their projects to life without incurring exorbitant expenses.
  • Versatility: Moreover, the versatility exhibited by these digital inputs is truly remarkable. Their compatibility with a vast spectrum of sensors and devices extends the horizons of project possibilities, allowing for diverse applications across multiple domains. Whether integrating with temperature sensors, motion detectors, or communication modules, the adaptability of Arduino’s digital inputs facilitates the creation of a wide array of innovative projects, offering endless opportunities for experimentation and customization.
  • Community Support: The robust online community surrounding Arduino significantly contributes to its appeal. This vast network provides an abundance of resources, including tutorials, forums, and extensive libraries. Such comprehensive support systems are invaluable assets for users at all skill levels. Beginners benefit from step-by-step tutorials guiding them through their initial projects, while more experienced users can engage in discussions, seek solutions to complex issues, and access a wealth of shared knowledge, further enriching their understanding and capabilities.

Industrial Arduino Inputs: A Different League

Industrial-grade Arduino boards, such as those produced by reputable brands like Siemens, PLCNext, or Industrial Shields, stand in stark contrast to their standard counterparts, as they are purposefully crafted to withstand the rigors of more demanding and rigorous environments. These specialized boards are meticulously designed to cater to the unique and stringent demands prevalent in industrial settings, distinguishing themselves with their superior durability, reliability, and precision.

One of the hallmark features of these industrial-grade Arduino boards is their inputs, which are engineered with a specific focus on meeting the exacting standards characteristic of industrial applications especially Industrial Arduino Inputs. Unlike standard Arduino inputs, which are adept at serving a broad range of projects, these specialized inputs are purpose-built to operate flawlessly amidst the challenging conditions prevalent in industrial environments.

In industrial settings, reliability is paramount, and these boards are meticulously crafted to ensure consistent performance even in the face of harsh conditions. They boast heightened resilience against temperature fluctuations, electrical noise, and voltage variations, factors that are common in industrial setups. This robustness ensures uninterrupted functionality, mitigating the risk of downtime and potential losses associated with equipment failures.

Durability is another defining characteristic of these industrial-grade boards. Components utilized in their construction are chosen for their ruggedness, ensuring prolonged and reliable operation in challenging and often unforgiving environments. The robust build quality enables these boards to endure harsh conditions where standard electronics might falter, providing a reliable backbone for critical industrial processes.

Furthermore, precision and accuracy are crucial aspects addressed in the design of Industrial Arduino Inputs. They offer superior accuracy in signal readings, a vital requirement for applications that demand precise measurements and high-level accuracy. This attribute makes them indispensable in industries where precise data acquisition is integral, such as in automation, process control, or monitoring systems.

Moreover, many of these specialized industrial-grade Arduino boards undergo stringent certification processes, adhering to industry standards and safety regulations. Compliance with these standards ensures not only reliability but also safety in professional industrial settings, instilling confidence in their deployment for critical applications.

Characteristics of Industrial Arduino Inputs

The distinguishing characteristics of Industrial Arduino Inputs encompass a range of features meticulously tailored to meet the exacting demands of industrial applications, setting them apart from their standard counterparts. These specialized inputs are engineered to deliver unparalleled performance, resilience, and precision in challenging and high-stakes industrial environments.

  • Reliability: This stands as a cornerstone attribute of these industrial inputs, underpinning their ability to function consistently amidst the harsh conditions prevalent in industrial settings. Specifically constructed to endure extreme temperature variations, combat electrical noise, and tolerate voltage fluctuations, these inputs exhibit an enhanced tolerance to environmental stresses. This robustness ensures unwavering performance, minimizing the risk of malfunctions or disruptions even in the face of adverse conditions.
  • Durability: This is another critical facet that defines the essence of industrial-grade Arduino inputs. These inputs are meticulously crafted using components renowned for their sturdiness and resilience. The choice of rugged materials and construction techniques empowers these inputs to withstand prolonged exposure to challenging environments, guaranteeing sustained and reliable operation over extended periods. This durability is a cornerstone for industries where equipment longevity is paramount to maintain uninterrupted processes.
  • Precision and Accuracy: Precision and accuracy in signal readings represent pivotal aspects addressed in the design and calibration of industrial-grade Arduino inputs. These specialized inputs are engineered with a heightened emphasis on delivering superior accuracy, making them indispensable for applications that mandate precise data acquisition. Their ability to provide meticulous and reliable measurements is pivotal in industries such as manufacturing, quality control, and scientific instrumentation.
  • Certifications: Compliance with industry standards and certifications is a hallmark feature of many industrial-grade Arduino inputs. These inputs undergo rigorous testing and validation processes to ensure adherence to established standards and safety regulations. This compliance not only underscores their reliability but also guarantees their suitability for deployment in professional settings where adherence to industry protocols is non-negotiable.

Choosing Between the Two

The choice between standard Arduino digital inputs and Industrial Arduino Inputs largely depends on the project’s requirements:

  • For hobbyist, educational, or prototyping purposes where cost-effectiveness and ease of use are prioritized, standard Arduino digital inputs are sufficient.
  • In industrial settings or projects demanding high reliability, durability, and adherence to specific regulations, industrial-grade Arduino inputs are the preferred choice.

Conclusion

Arduino digital inputs have democratized electronics, empowering countless enthusiasts to explore their creativity. However, when it comes to industrial applications with stringent reliability and durability demands, specialized Industrial Arduino Inputs offer the necessary robustness and precision required for such environments. Understanding the specific needs of a project is crucial in determining which type of Arduino inputs to employ, ensuring optimal performance and reliability in diverse applications.

Programmable IoT Devices

NORVI offers ESP32-based PLC powered by Arduino and offers Industrial Arduino inputs with many varieties for industrial automation. Visit our product page now: https://norvi.lk/products/

Or, Contact us at support@icd.lk

 

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The Applications of ESP32-based PLC with Ethernet Connectivity

ESP32-based PLC with Ethernet Connectivity

Why ESP32-based PLC with Ethernet Connectivity? In today’s dynamic industrial landscape, the demand for efficient and reliable automation solutions continues to grow. The advent of technologies like the ESP32-based PLC with Ethernet Connectivity has revolutionized the realm of industrial automation. These powerful devices offer a wide array of applications, transforming the way industries operate and optimize their processes.

What is Ethernet?

Ethernet is a widely used technology that defines a system for connecting a group of computers and other devices in a local area network (LAN). It was developed in the 1970s by Xerox Corporation’s Palo Alto Research Center (PARC) and later standardized by the Institute of Electrical and Electronics Engineers (IEEE).

Ethernet operates on the principles of packet-switching and uses a set of protocols to enable devices within the same network to communicate with each other. It involves physical cabling (such as twisted pair, fiber optic, or coaxial cable) and a series of rules and procedures for transmitting data between connected devices.

Some key aspects of Ethernet include:

  • Data Transmission: Ethernet networks use frames to transmit data between devices. These frames contain information about the sender, receiver, type of data, and error-checking bits.
  • Speeds: Ethernet has evolved over the years to support various speeds, ranging from the original 10 megabits per second (Mbps) to 100 Mbps, 1 gigabit per second (Gbps), 10 Gbps, 40 Gbps, 100 Gbps, and even higher.
  • Topologies: Ethernet supports various network topologies, including star, bus, and ring configurations. The most common nowadays is the star topology, where devices connect to a central switch or router.
  • Standardization: IEEE 802.3 defines the standards for Ethernet, ensuring compatibility and interoperability between devices from different manufacturers.
  • Usage: Ethernet is widely used in homes, businesses, data centers, and various industries as the primary means of local area networking.

Ethernet has undergone numerous advancements and improvements, allowing for faster speeds, increased reliability, and greater flexibility in network setups. It remains one of the most prevalent and fundamental technologies for networking, enabling communication between devices within a local network environment.

ESP32-based PLC with Ethernet

An ESP32-based PLC with Ethernet Connectivity can offer several advantages and capabilities due to the combination of the ESP32 microcontroller and Ethernet connectivity:

  • Networking Capabilities: Ethernet connectivity enables the PLC to communicate with other devices, such as computers, servers, sensors, and other PLCs, over a local area network (LAN). This allows for data exchange, control, and monitoring of industrial processes or automation systems.
  • Reliability and Speed: Ethernet provides a stable and reliable communication platform with high-speed data transfer rates. This is crucial in industrial settings where real-time data processing and communication are required for efficient operations.
  • Integration with Existing Infrastructure: Many industrial environments already have established Ethernet-based networking infrastructure. Using an ESP32-based PLC with Ethernet allows seamless integration into these systems without requiring significant modifications or additional hardware.
  • Remote Monitoring and Control: With Ethernet connectivity, the ESP32-based PLC can enable remote monitoring and control functionalities. This means that operators or engineers can access and manage the system from a central location, improving efficiency and reducing the need for physical presence on the factory floor.
  • Scalability and Flexibility: Ethernet-equipped PLCs can easily scale to accommodate larger systems or expand functionalities by leveraging network capabilities. They can also interact with a variety of devices and systems, providing flexibility in industrial automation setups.
  • Security Features: Ethernet-based communication can leverage various security protocols and measures to ensure data integrity and prevent unauthorized access, enhancing the overall security of industrial networks.
  • Compatibility and Standardization: Ethernet is a well-established and standardized networking technology, ensuring compatibility with a wide range of devices and systems, and facilitating easier integration and interoperability.

Why Ethernet stands out?

While other connectivity options like serial communication (RS-232, RS-485), Fieldbus protocols (Profibus, Modbus), wireless technologies (Wi-Fi, Bluetooth, Zigbee), or proprietary industrial protocols have their own merits, Ethernet stands out due to its speed, reliability, scalability, and standardization, making it an excellent choice for connecting PLCs in modern industrial automation setups. Additionally, advancements in Ethernet technology continue to enhance its capabilities, making it more adaptable and suitable for diverse industrial applications.

ESP32-based PLC with Ethernet Connectivity enhances its capabilities, enabling robust communication, remote access, scalability, and integration into existing industrial networks, thereby improving the efficiency and effectiveness of industrial automation and control systems.

Applications in Industrial Automation

There are various applications that can perform using ESP32-based PLC with Ethernet Connectivity effectively. Find below:

1. Factory Automation and Control

ESP32-based PLCs with Ethernet play a pivotal role in controlling and supervising industrial machinery and processes. They enable precise and real-time control of production lines, ensuring seamless operation, minimizing downtime, and optimizing overall efficiency. These PLCs manage diverse tasks, including motor control, conveyor systems, and robotic operations.

2. Remote Monitoring and Management

Ethernet-equipped PLCs empower remote monitoring and management of industrial setups. Engineers and operators can access critical data, monitor machine performance, and troubleshoot issues from a centralized location. This capability streamlines maintenance procedures, enhances operational visibility, and facilitates timely interventions, reducing maintenance costs and increasing uptime.

3. Integration into Existing Networks

The compatibility of ESP32-based PLCs with Ethernet facilitates easy integration into existing industrial networks. They seamlessly communicate with other devices, such as sensors, Human Machine Interfaces (HMIs), and servers, leveraging standardized Ethernet protocols. This integration optimizes workflow, data exchange, and interoperability among various components of the automation ecosystem.

4. Data Acquisition and Analysis

These PLCs efficiently collect and process data from sensors and connected devices. With Ethernet connectivity, they transmit this data to central servers or cloud-based platforms for in-depth analysis. By harnessing this data, industries gain valuable insights into production trends, anomalies, and predictive maintenance, empowering informed decision-making.

5. Enhanced Security Measures

Ethernet-based communication in ESP32-based PLCs incorporates robust security measures, safeguarding sensitive industrial data and preventing unauthorized access. Encrypted communication protocols and authentication mechanisms ensure the integrity and confidentiality of data exchanged within the network.

NORVI ESP32-based PLC with Ethernet

The marriage of ESP32-based PLC with Ethernet Connectivity heralds a new era in industrial automation. These versatile devices offer a spectrum of applications, revolutionizing manufacturing, process control, and operational efficiency. By enabling seamless connectivity, precise control, remote management, and enhanced data analysis, these PLCs are pivotal in shaping the future of industrial automation.

As industries continue to evolve, embracing the capabilities of ESP32-based PLC with Ethernet Connectivity will undoubtedly remain a cornerstone in achieving higher productivity, reduced downtime, and smarter decision-making in the industrial landscape.


Visit our product page now to buy ESP32-based PLC with Ethernet: https://norvi.lk/product/industrial-esp32-ethernet/

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Why should choose ESP32-based PLC with GSM to Enhanced Connectivity?

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Why should choose ESP32-based PLC with GSM Connectivity?

ESP32-based PLC with GSM

Discover GSM connectivity’s pivotal role and its integration in PLCs, and How ESP32-based PLC with GSM stands out. Explore More through this article. 

What is GSM Connectivity?

GSM logo

GSM, or Global System for Mobile Communications, is a standard technology used in mobile devices to facilitate communication through cellular networks. It’s a prevalent wireless communication standard used by mobile phones, tablets, and other devices to transmit voice and data.

Here are some key aspects of GSM connectivity:

  • Communication Standard: GSM is a widely adopted standard for digital cellular networks. It sets the protocols for transmitting voice calls and data over mobile networks.
  • Coverage and Reach: GSM networks have extensive coverage globally, providing connectivity across various regions and countries. This wide coverage enables devices using GSM technology to communicate in many parts of the world.
  • Voice and Data Transmission: GSM enables the transmission of both voice and data. It supports voice calls, SMS (Short Message Service), and data transmission for internet access, emails, and other applications.
  • SIM Card Technology: GSM networks use SIM (Subscriber Identity Module) cards to identify and authenticate users on the network. SIM cards store user information such as phone number, contacts, and other subscription details.
  • Security Measures: GSM incorporates security measures like encryption to protect communications between devices and the network, ensuring confidentiality and preventing unauthorized access to data.
  • Evolution to Advanced Technologies: While GSM laid the foundation for mobile communication, newer technologies like 3G, 4G (LTE), and 5G have evolved from it, offering faster data speeds and improved capabilities while maintaining backward compatibility with GSM networks.

Key Features of ESP32-based PLC with GSM

An ESP32-based PLC with GSM features represents a cutting-edge solution at the intersection of embedded systems and industrial automation. This innovative combination harnesses the power of the ESP32 microcontroller and GSM connectivity to create a versatile and highly capable automation platform.

Key features are as follows:

  • ESP32 Microcontroller: The ESP32, renowned for its robustness and versatility, serves as the core processing unit of the PLC. Its dual-core architecture, low power consumption, and built-in Wi-Fi and Bluetooth capabilities offer a solid foundation for industrial automation applications.
  • PLC Functionality: Equipped with GPIO pins, analog and digital input/output interfaces, and support for various communication protocols, the ESP32-based PLC functions as a programmable logic controller. It facilitates the control, monitoring, and automation of industrial processes and machinery.
  • GSM Connectivity: The integration of GSM capabilities allows the PLC to communicate over cellular networks. This feature enables remote access, data exchange, and control functionalities, empowering users to manage and oversee industrial systems from distant locations.
  • Remote Monitoring and Control: Leveraging GSM connectivity, users can remotely monitor real-time data, receive alerts, and exert control over industrial equipment or processes using mobile devices or computers connected to the GSM network.
  • Data Exchange and Communication: The GSM functionality enables seamless data exchange between the PLC and external systems or servers, facilitating communication for reporting, analysis, and decision-making purposes.
  • Enhanced Flexibility and Accessibility: The combination of ESP32-based PLC with GSM offers enhanced flexibility and accessibility, allowing for efficient management and optimization of industrial operations, regardless of geographical constraints.

Applications of ESP32-based PLC with GSM

The EESP32-based PLC with GSM offers a myriad of applications across various industries and scenarios due to its versatile capabilities. Some notable applications include:

  • Industrial Automation: Utilized in manufacturing plants, factories, and production lines for controlling machinery, managing processes, and monitoring equipment remotely. It aids in optimizing production efficiency and reducing downtime.
  • Remote Monitoring and Control: Deployed in remote or unmanned sites, such as in agriculture for irrigation systems, weather monitoring, and livestock management. It allows users to monitor and control operations from afar remotely.
  • Smart Agriculture: Used in precision agriculture for tasks like soil monitoring, irrigation control, and crop management. The PLC with GSM enables real-time data collection and analysis for better decision-making.
  • Infrastructure Management: Applied in infrastructure settings like utilities (water, gas, electricity), where remote monitoring and control of critical systems or installations are crucial for maintenance and operational efficiency.
  • Environmental Monitoring: Employed in environmental monitoring systems for collecting data on air quality, pollution levels, weather conditions, and more. The GSM connectivity enables real-time data transmission and analysis.
  • Mobile Asset Tracking: Utilized in logistics and transportation industries for tracking and managing mobile assets such as vehicles, containers, or equipment. The GSM connectivity enables real-time tracking and management regardless of location.
  • IoT Integration: Integrated into IoT ecosystems for data acquisition, integration with cloud platforms, and building scalable IoT solutions across various domains.
  • Energy Management: Applied in energy management systems for monitoring and controlling power distribution, renewable energy systems, and smart grid applications.
  • Security and Surveillance: Used in security systems for remote surveillance, access control, and alarm systems where real-time monitoring and notifications are vital.
  • Healthcare Monitoring: Applied in remote healthcare applications for monitoring patients’ vital signs, collecting medical data, and enabling telemedicine services in remote areas.

These applications showcase the versatility and adaptability of ESP32-based PLC with GSM connectivity across diverse industries, enabling remote access, data exchange, and control functionalities crucial for efficient and advanced automation solutions.

Why NORVI GSM?

ESP32-based PLC with GSM is now available with NORVI. In the realm of devices like NORVI controllers equipped with GSM connectivity, this technological integration serves as a pivotal enabler, empowering industrial automation systems to establish seamless communication across expansive cellular networks.

This transformative capability extends far beyond mere connectivity, bestowing upon these controllers the profound ability to facilitate remote access, bidirectional data exchange, and dynamic control functionalities. Through the convergence of NORVI controllers with GSM technology, a paradigm shift emerges, allowing users, irrespective of geographical constraints, to engage with and oversee industrial operations and machinery.

This breakthrough offers an unprecedented level of flexibility and responsiveness, as users harness the potential of their mobile devices or computers tethered to the omnipresent GSM network, thereby orchestrating efficient management and interaction with industrial systems and machinery positioned across disparate locations.

Here are the main features of NORVI ESP32-based PLC with GSM;

  • ESP32-WROOM32: This is a powerful and widely used microcontroller module manufactured by Espressif Systems. The ESP32-WROOM32 integrates the ESP32 chip, which is a dual-core microcontroller with integrated Wi-Fi and Bluetooth capabilities. It’s known for its versatility, low power consumption, and ample processing power, making it popular in various IoT applications, including home automation, industrial automation, wearable devices, and more.
  • SIM800L: SIM800L is a highly compact and versatile GSM/GPRS module designed for mobile communication. It allows devices to connect to cellular networks, enabling functionalities like making/receiving calls, sending/receiving SMS messages, and data transmission over the GPRS network. The module is commonly used in IoT projects, such as GPS tracking devices, remote monitoring systems, and other applications that require cellular connectivity.
  • The SIM7500: This is a cellular module developed by SIMCom Wireless Solutions. It’s designed to provide cellular connectivity with support for various wireless technologies, including LTE (4G), WCDMA (3G), and GSM (2G), offering high-speed data transmission and communication capabilities. The module supports functionalities such as making and receiving calls, sending and receiving SMS messages, and establishing data connections over the LTE network.

These components, when integrated into devices or systems, provide connectivity solutions, allowing communication over different types of networks (Wi-Fi, Bluetooth, GSM, GPRS, LTE), thereby enabling a wide range of functionalities and applications in the IoT and industrial sectors.

However, NORVI ESP32-based PLC with GSM has an LTE option that comes with it.  It will explore through another article for you. Just visit the product page for more information here.

Conclusion

In conclusion, the ESP32-based PLC with GSM connectivity represents a groundbreaking advancement in the realm of industrial automation. As a cornerstone of mobile communication, GSM technology provides a global standard for voice and data transmission, offering extensive coverage, robust security measures, and a foundation for evolving technologies like 3G, 4G (LTE), and 5G.

The fusion of the ESP32-based PLC with GSM connectivity in PLCs creates a versatile automation platform. This integration allows for remote access, data exchange, and control functionalities, empowering users to oversee industrial systems from distant locations.

Key features like the ESP32’s robustness, PLC functionality, and GSM connectivity enable real-time monitoring, seamless data exchange, and efficient management of industrial operations, transcending geographical constraints, while the applications of ESP32-based PLCs with GSM span various industries which showcase the adaptability and versatility of these systems, offering remote access, data exchange, and control crucial for advancing automation solutions.

Notably, devices like NORVI ESP32-based PLC with GSM, epitomize this transformative integration. NORVI controllers equipped with GSM technology empower industrial automation systems to establish seamless communication across expansive cellular networks. This convergence goes beyond mere connectivity, enabling bidirectional data exchange, dynamic control functionalities, and unprecedented flexibility for users, regardless of geographical constraints.

In essence, the integration of ESP32-based PLCs with GSM connectivity heralds a new era in industrial automation, where users can efficiently manage and interact with industrial systems and machinery positioned across disparate locations, leveraging the potential of ubiquitous GSM networks. This breakthrough offers unparalleled flexibility, responsiveness, and efficiency in overseeing and managing industrial operations, marking a significant stride in the evolution of automation solutions.

ESP32-based PLC with GSM is now available to buy: Visit the page

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Why should use ESP32-based PLC with Analog Inputs for Seamless IoT Integration

ESP32-based PLC with Analog Inputs

Wondering how our ESP32-based PLC with Analog Inputs stand out? Delve into the crucial features, precision capabilities, and versatility of analog inputs, crucial for precise real-world data acquisition and control across diverse industries. NORVI’s tailored range of 0-10V and 4-20mA Analog Inputs presents customized solutions for industrial requirements.

What are Analog Inputs?

Analog inputs refer to the interfaces or ports on a device, such as a microcontroller, PLC (Programmable Logic Controller), or sensor, that are designed to accept analog signals. These inputs are crucial for acquiring and processing continuous real-world data that varies in amplitude or intensity over time.

Analog inputs typically allow the connection of sensors or devices that generate analog signals, such as temperature sensors, pressure transducers, potentiometers, strain gauges, and many others. These sensors produce signals that represent physical quantities like temperature, pressure, voltage, light intensity, etc., in analog form, which means they provide a continuous range of values.

Devices equipped with analog inputs use analog-to-digital converters (ADCs) to convert the incoming analog signals into digital form, which can be processed, analyzed, stored, or used by digital systems like microcontrollers or computers. The ADCs sample the analog signal at discrete intervals and assign digital values to represent the amplitude of the analog signal at those points in time.

Analog inputs are essential in various fields, especially in industrial automation, robotics, data acquisition systems, and scientific instrumentation, where precise measurement and control of analog data are critical for operations and analysis. The quality and accuracy of the analog inputs play a significant role in the overall performance and reliability of the system.

Features of ESP32-based PLC with Analog Inputs?

ESP32-based PLC with Analog Inputs has main features as below,

  • High-resolution analog-to-digital conversion
  • Voltage input range
  • Current input range
  • Differential input capability
  • Sampling rate
  • Noise filtering
  • Programmable gain amplification
  • Multiplexed input channels
  • Overvoltage protection
  • Calibration options
  • Signal conditioning
  • Compatibility with various sensors
  • Low-power consumption
  • Real-time data acquisition
  • Configurable input impedance
M11 E Series

The Precision of Analog inputs

The precision of ESP32-based PLC with Analog Inputs refers to their ability to accurately measure and convert analog signals into digital values. The ESP32 microcontroller typically has a 12-bit ADC (Analog-to-Digital Converter) for analog input.

The 12-bit ADC resolution means that it can convert an analog input voltage into a digital value between 0 and 4095 (2^12 – 1), providing 4096 discrete steps. This resolution determines the granularity or level of detail in the conversion process. Higher resolution allows for more precise measurements, as the ADC can distinguish smaller changes in the input voltage.

The precision of the ESP32-based PLC with Analog Inputs can be affected by various factors, including:

  • Voltage reference: The accuracy and stability of the reference voltage used by the ADC can impact the overall precision of analog-to-digital conversion.
  • Noise and interference: Electrical noise or interference in the system can introduce errors in the analog readings, affecting the accuracy and precision of the measurements.
  • Signal conditioning: Proper signal conditioning circuits and techniques can enhance the accuracy and reduce noise in analog measurements.
  • Calibration: Calibration procedures can be implemented to improve the accuracy and correct any inherent inaccuracies in the ADC readings.

While the ESP32’s ADC provides reasonable precision for many applications, if higher accuracy or precision is required, external analog front-end components or specialized ADCs with higher resolutions and better characteristics can be used in conjunction with the ESP32 to achieve more accurate analog measurements. Additionally, careful design considerations and noise reduction techniques can also improve the overall precision of analog inputs in ESP32-based systems.

Versatility of an ESP32-based PLC with Analog Inputs

The versatility of an ESP32-based PLC with Analog Inputs lies in its ability to offer a wide range of functionalities and applications across various industries. Here are several aspects that highlight the versatility of an ESP32-based PLC with analog inputs:

  • Flexible Analog Input Support: ESP32-based PLCs typically come equipped with multiple analog input channels, allowing integration with various analog sensors measuring parameters like temperature, pressure, humidity, voltage, current, etc. This flexibility enables monitoring and control of diverse industrial processes.
  • Higher Resolution: ESP32-based PLC offers higher resolution analog inputs with ADS1115 16bit ADC.
  • Real-time Monitoring and Control: With its capability for real-time data acquisition and processing, an ESP32-based PLC can continuously monitor analog input signals, providing timely control actions based on the analyzed data.
  • Wireless Connectivity: Many ESP32-based PLCs come with built-in Wi-Fi or Bluetooth connectivity, enabling remote monitoring, control, and data transmission to cloud platforms or mobile devices. This wireless capability enhances the PLC’s adaptability to IoT (Internet of Things) applications.
  • Cost-Effective Solution: ESP32-based PLCs often offer a cost-effective alternative compared to traditional PLCs, making them suitable for smaller-scale industrial applications or projects with budget constraints.
  • Scalability and Expansion: These PLCs are often designed with expandability in mind, allowing the addition of extra modules or peripherals to extend functionality, such as adding more analog inputs, digital I/Os, communication interfaces, etc.
  • Cross-Industry Applicability: The versatility of an ESP32-based PLC with analog inputs makes it suitable for a wide range of industries including manufacturing, agriculture, HVAC (heating, ventilation, and air conditioning), automation, monitoring systems, and more.

In essence, the ESP32-based PLC’s versatility lies in its adaptability to diverse applications, its programmability, connectivity options, and the ability to handle analog signals while offering a cost-effective solution for various industrial automation needs. Threfore, it shows that how vital ESP32-based PLC with Analog Inputs for seamless IoT intergration and Automation projects.

NORVI has ESP32-based PLC with Analog Inputs which offers two ranges of Analog Inputs as 0-10V Analog Inputs and 4-20mA Analog Inputs, refer to our product range.

Read More:

Why NORVI-Arduino-based Programmable Logic Controllers?

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Why NORVI ESP32-based HMI for your innovative project or a system?

NORVI ESP32-based HMI

Do you know NORVI has a new addition? Here is why you should choose it. NORVI ESP32-based HMI solution is now available to buy, explore more now. 

Introducing the groundbreaking NORVI ESP32-based HMI (Human Machine Interface), a marvel in the realm of Programmable HMI supported with LVGL (Light and Versatile Graphics Library). This innovative system redefines interaction dynamics by bestowing users with an immersive graphical environment, seamlessly melding technology and user experience. Crafted to be programmed with Arduino, this HMI stands as a pinnacle of versatility, providing an influential platform for the inception of intuitive user interfaces while harnessing the potent capabilities of ESP32 microcontrollers.

The fusion of NORVI’s prowess with LVGL technology is a game-changer, empowering creators to sculpt visually captivating, responsive, and feature-rich interfaces. This amalgamation of cutting-edge features positions it as the go-to solution across diverse applications clamoring for user-friendly interactions. From IoT devices to automation systems and beyond, the NORVI ESP32-based HMI emerges as the quintessential choice for those seeking an unprecedented blend of innovation, functionality, and aesthetics in their projects.

See the diagram and explanations below for how an ESP32-based HMI is developed, as well as its benefits and features

ESP32-based HMI - Product Overview

Key Advantages of NORVI ESP32- based HMI

The NORVI ESP32-based HMI boasts several key advantages that set it apart as a game-changer in the realm of Human Machine Interfaces:

  • ESP32-S3-WROOM32 Module: At its core lies the powerful ESP32-WROOM32 module, renowned for its robust performance and versatility. This module serves as the foundation, providing the HMI with a potent processing engine, ample memory, and efficient wireless connectivity capabilities. This is from Espressif Systems and it has the following advantages.
  • High-performance processing capabilities
  • Dual-core microcontroller architecture
  • Ample built-in memory and storage options
  • Integrated Wi-Fi and Bluetooth connectivity
  • Low power consumption and energy-efficient operation
  • Support for various interfaces such as SPI, I2C, UART, and more
  • Rich set of peripherals and features for versatile applications
  • LVGL Support Display: The integration of LVGL (Light and Versatile Graphics Library) support elevates the user interface experience to new heights. This advanced feature empowers creators to design visually stunning, responsive, and feature-rich graphical interfaces, enhancing user interaction and engagement and many advantages as below.
  • Enables creation of visually appealing and rich graphical user interfaces (GUIs)
  • Offers responsive and smooth interaction for users
  • Provides a wide range of customizable widgets and graphics
  • Supports animations and transitions for enhanced user experience
  • Compatibility with various display sizes and resolutions
  • Optimized for resource-efficient performance on embedded systems
  • PLC Functionality with Arduino: The HMI’s compatibility and integration with Arduino enable it to function as a Programmable Logic Controller (PLC). This extends its utility beyond a mere display interface, allowing it to control and manage various processes and systems, making it an all-encompassing solution for automation and control applications its key advantages are as below.
  • Versatile control and management capabilities for various processes and systems.
  • Integration of human-machine interaction with control logic, enhancing usability.
  • Flexibility in programming and customization for specific automation needs.
  • Expanded functionalities beyond traditional HMI interfaces.
  • Seamless communication between the user interface and control systems.
  • Utilizes widely supported Arduino ecosystem for easy development and scalability.

Features-based Applications

By leveraging the ESP32-WROOM32 module, harnessing LVGL’s display capabilities, and incorporating PLC functionality through Arduino compatibility, the NORVI ESP32-based HMI emerges as a comprehensive, adaptable, and high-performance solution for a wide spectrum of applications, promising unparalleled versatility and functionality. Also, it introduces a robust 5-inch LCD Display with Resistive Touch, boasting a suite of features tailored for diverse industrial applications:

  • 5-inch LCD Display with Resistive Touch: Offers a crisp and clear display, enhancing user interaction and visual clarity in various industrial environments.
  • Built-in Buzzer: Equipped with a built-in buzzer for audio alerts or notifications, facilitating immediate and audible feedback for critical processes or events.
  • Digital Inputs: Provides digital input ports for seamless integration and connectivity with external devices or sensors, enabling versatile data acquisition and control.
  • Analog Inputs: Includes analog input capabilities, allowing precise measurement and monitoring of varying voltage levels or sensor outputs, crucial for nuanced control and analysis.
  • Transistor Outputs: Features transistor outputs that facilitate control over external devices or systems, offering flexibility and adaptability in managing industrial processes.
  • Supports Industrial Voltage up to 24V DC: Designed to handle industrial-grade voltages up to 24V DC, ensuring compatibility with standard industrial power systems and environments.

Visit our product page for more information: NORVI HMI

Industrial Applications

The ESP32-based HMI with LVGL support and Arduino functionality excels in these industrial applications by providing a powerful platform for creating intuitive and feature-rich user interfaces while leveraging the capabilities of ESP32 microcontrollers. Its versatility, robustness, and ease of integration make it a valuable asset across various industrial settings as below.

  • Manufacturing Automation: Employed in manufacturing processes for control interfaces, monitoring production lines, and managing machinery with intuitive and responsive user interfaces.
  • Building Automation: Used in building management systems to control lighting, HVAC systems, security features, and access controls with user-friendly interfaces.
  • Industrial IoT (IIoT) Solutions: Integrated into IIoT systems for data visualization, remote monitoring, and controlling industrial equipment and machinery.
  • Process Control and Instrumentation: Utilized in industries such as chemical, pharmaceuticals, and food processing for real-time monitoring, controlling parameters, and managing processes.
  • Energy Management: Applied in energy production facilities, smart grids, and renewable energy systems for monitoring and controlling power generation, distribution, and consumption.
  • Smart Agriculture: Used in precision agriculture for monitoring environmental conditions, controlling irrigation systems, and managing farm machinery.
  • Transportation and Logistics: Employed in smart warehouses and logistics systems for inventory management, tracking goods, and controlling conveyor systems.
  • Water Management: Utilized water treatment plants and distribution systems for monitoring water quality, managing pumps and valves, and automating processes.
  • Healthcare Equipment: Integrated into medical devices and healthcare equipment for user interfaces, patient monitoring, and controlling automated systems.
  • Robotics and Automation: Applied in robotics for creating interactive control panels, monitoring robotic systems, and managing automation processes.

NORVI ESP32-based HMI Models

There are two models available in ESP32-based HMI now to buy!

ESP-HMI-5C-CI

ESP-HMI-5C-VI

  • ESP32-WROOM32 Module
  • Built-in 5Inch LCD Display with Resistive Touch
  • Built-in Buzzer
  • Built-in microSD Card support
  • LVGL Supported Display
  • DS3231 RTC with battery backup
  • PLC functionality with Arduino

Inputs and Outputs

  • 4 x Digital Inputs 24V
  • 4 x 4 – 20mA Analog Inputs
  • 4 x Transistor Outputs

Communication

  • 2.4Ghz WiFi + Bluetooth
  • W5500 Ethernet
  • RS-485




  • ESP32-WROOM32 Module
  • Built-in 5Inch LCD Display with Resistive Touch
  • Built-in Buzzer
  • Built-in microSD Card support
  • LVGL Supported Display
  • DS3231 RTC with battery backup
  • PLC functionality with Arduino

Inputs and Outputs

  • 4 x Digital Inputs 24V
  • 4 x 0 – 10A Analog Inputs
  • 4 x Transistor Outputs

Communication

  • 2.4Ghz WiFi + Bluetooth
  • W5500 Ethernet
  • RS-485


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Additionally, if there are any specific technical specifications, compatibility details, or customization options available for this ESP32-based HMI, make an inquiry to us at info@icd.lk

Begin your journey into exploring the endless possibilities that the NORVI ESP32-based HMI offers for your project or innovative system. Your adventure starts with us today. Purchase Now! 

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Wanna know more about HMI from NORVI? Read below,

The Rise of HMI Applications: Ultimate Tech Landscape

Thriving HMI Technology: Future of Human-Machine Interface

Optimizing HMI Projects for Industrial Automation Success

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