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NORVI IIOT-AE01-T

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NORVI IIOT-AE01-R

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NORVI IIOT-AE02-V

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NORVI IIOT-AE02-I

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NORVI IIOT-AE03

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NORVI IIOT-AE04-I

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NORVI IIOT-AE04-V

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NORVI GSM-AE02-I-G

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NORVI GSM-AE02-V-G

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NORVI GSM-AE02-V-L

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NORVI GSM-AE02-I-L

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NORVI GSM-AE04-I-G

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NORVI GSM-AE04-I-L

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NORVI GSM-AE04-V-G

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NORVI AGENT 1-BT01-ES-SI

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NORVI GSM-AE07-R-L

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NORVI GSM-AE08-R-G

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NORVI AGENT 1-BT05-ES-L

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NORVI AGENT 1-BT02-ES-SI

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NORVI GSM-AE08-T-L

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NORVI GSM-AE07-R-G

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NORVI ENET-AE06-I

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NORVI GSM-AE07-T-L

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NORVI AGENT 1-BT03-ES-SI

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NORVI GSM-AE08-T-G

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NORVI GSM-AE07-T-G

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NORVI ENET-AE06-V

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NORVI GSM-AE08-I-G

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RELAY OUTPUT EXPANSIONS

  • NORVI-EX-R8 Datasheet
  • NORVI-EX-R16 Datasheet
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  • NORVI EX-R8 TEST PROGRAM
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NORVI GSM-AE08-I-L

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NORVI AGENT 1-BT05-ES-SI

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DIGITAL INPUT EXPANSIONS

  • NORVI-EX-I4 Datasheet
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  • NORVI-EX-I16 Datasheet
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NORVI ENET-AE06-R

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NORVI GSM-AE08-V-G

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NORVI ENET-AE06-T

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NORVI GSM-AE08-V-L

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NORVI AGENT 1-BT03-ES-L

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NORVI GSM-AE08-R-L

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NORVI AGENT 1-BT06-ES-SI

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NORVI AGENT 1-BM02-ES-L

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NORVI AGENT 1-BT02-ES-L

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NORVI AGENT 1-BM01-ES-SI

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ANALOG INPUT EXPANSIONS

  • NORVI-EX-ANV01 Datasheet
  • NORVI-EX-ANV01 User Guide
  • NORVI-EX-ANI01 User Guide
  • NORVI-EX-ANI01 Datasheet
  • NORVI EX-ANV01 TEST PROGRAM
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NORVI AGENT 1-BM02-ES-SI

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NORVI AGENT 1-BT06-ES-L

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NORVI GSM-AE04-V-L

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NORVI AGENT 1-BM01-ES-L

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NORVI AGENT 1-BT01-ES-L

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TRANSISTOR OUTPUT EXPANSIONS

  • NORVI-EX-Q4 Datasheet
  • NORVI-EX-Q8 Datasheet
  • NORVI-EX-Q16 Datasheet
  • NORVI-EX-Q8 User Guide
  • NORVI-EX-Q4 User Guide
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NORVI AGENT 1-BM01-ES-N

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NORVI AGENT 1-BM02-ES-N

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NORVI AGENT 1-BT02-ES-N

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NORVI AGENT 1-BT01-ES-N

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NORVI AGENT 1-BT03-ES-N

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NORVI AGENT 1-BT05-ES-N

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NORVI AGENT 1-BT06-ES-N

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NORVI AGENT 1-BT06-LTE

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NORVI AGENT 1-BT05-LTE

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NORVI AGENT 1-BT03-LTE

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NORVI AGENT 1-BM01-LTE

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NORVI AGENT 1-BM02-LTE

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NORVI AGENT 2-AP01-BC1

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NORVI AGENT 2-AP01-BC2

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NORVI AGENT 2-AP01-BA1

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NORVI AGENT 2-AP01-BA2

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EC-M11-EG-C1

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EC-M11-EG-C2

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EC-M11-EG-C3

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EC-M11-EG-C4

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EC-M11-EG-C5

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EC-M11-EG-C1-LTE

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EC-M11-EG-C2-LTE

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EC-M11-EG-C3-LTE

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EC-M11-EG-C4-LTE

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EC-M11-EG-C5-LTE

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EC-M11-EG-C1-B95

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EC-M11-EG-C2-B95

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EC-M11-EG-C3-B95

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EC-M11-EG-C4-B95

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EC-M11-EG-C5-B95

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EC-M11-EG-C4-S

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EC-M11-BC-C1

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EC-M11-BC-C2

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EC-M11-BC-C3

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EC-M11-BC-C4

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EC-M11-BC-C1-LTE

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EC-M11-BC-C2-LTE

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EC-M11-BC-C3-LTE

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EC-M11-BC-C4-LTE

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EC-M11-BC-C1-B95

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EC-M11-BC-C2-B95

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EC-M11-BC-C3-B95

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EC-M11-BC-C4-B95

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EC-M11-BC-C4-S

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EC-M11-EG-C3-S

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EC-M11-EG-C2-S

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EC-M11-EG-C1-S

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EC-M11-EG-C5-S

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EC-M11-BC-C1-S

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EC-M11-BC-C2-S

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EC-M11-BC-C3-S

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NORVI EX-TEX

  • NORVI EX-TEX01 Datasheet
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NORVI EX-F16

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NORVI EX-NB-IoT

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NORVI CEMA-M1

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NORVI CEMA-M2

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ESP-HMI-5C-CI

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ESP-HMI-5C-VI

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  • NORVI IIOT-AE04-I
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User Guide

Programming #

The NORVI IIOT-AE04-I has a mini USB Port for serial connection with the SoC for programming. Any ESP32-supported programming IDE can be used to program the controller. Follow this Guide to programming NORVI ESP32-based controllers with the Arduino IDE.

SoC: ESP32-WROOM32
Programming Port: USB UART

Digital Inputs #

Wiring Digital Inputs #

The digital inputs of NORVI IIOT-AE04-I can be configured as both Sink and Source connections. The inverse of the Digital Input polarity should be supplied to the common terminal.

NORVI IIOT-AE04-I Digital Input Wiring

Programming Digital Inputs #

Reading the relevant GPIO of the ESP32 gives the value of the Digital Input. When the inputs are in the OFF state, the GPIO goes HIGH, and when the input is in the ON state, the GPIO goes LOW.

Refer to the GPIO allocation table in the Datasheet for the digital input GPIO

#define INPUT1 39
void setup() { 
   Serial.begin(115200); 
   Serial.println("Device Starting"); 

   pinMode(INPUT1, INPUT); 
} 
void loop() { 
   Serial.print(digitalRead(INPUT1));
   Serial.println(""); 
   delay(500); 
}

Transistor Outputs #

Wiring Transistor Outputs #

NORVI-IIOT-AE04-I Transistor Output Wiring

Analog Input #

Wiring Analog Inputs #

NORVI-IIOT-AE04-I Analog Input Wiring

Reading Analog Input #

Reading the relevant I2C address of the ADC gives the value of the Analog Input.

Programming Analog Inputs  #

#include <Adafruit_ADS1X15.h> 

#include <Wire.h> 

Adafruit_ADS1115 ads1; 
Adafruit_ADS1115 ads2; 

void setup() { 
   Serial.begin(115200); 
   Serial.println("Device Starting"); 

   Wire.begin(16,17); 
   ads1.begin(0x48); 
   ads2.begin(0x49); 
   ads1.setGain(GAIN_ONE); 
   ads2.setGain(GAIN_ONE); 
} 

void loop() { 
Serial.print("Analog 0 ");Serial.println(ads1.readADC_SingleEnded(0));  delay(10); 
Serial.print("Analog 1 ");Serial.println(ads1.readADC_SingleEnded(1)); delay(10); 
Serial.print("Analog 2 ");Serial.println(ads1.readADC_SingleEnded(2)); delay(10); 
Serial.print("Analog 3 ");Serial.println(ads1.readADC_SingleEnded(3)); delay(10); 
Serial.print("Analog 4 ");Serial.println(ads2.readADC_SingleEnded(0)); delay(10); 
Serial.print("Analog 5 ");Serial.println(ads2.readADC_SingleEnded(1)); delay(10); 

Serial.println(""); 
delay(500); 
}

RS-485 communication #

RS-485 Wiring #

DriverMAX485
UART RXGPIO33
UART TXGPIO2
Flow ControlGPIO4
GPIO Connections of RS-485

Programming RS-485 #

The UART Connections of RS-485 in the NORVI IIOT-AE04 series are shared with the UART connections of USB Serial.

#define RS485_FC 4

void setup() {
  Serial.begin(115200);
  Serial.println("Device Starting");

  pinMode(RS485_FC, OUTPUT);
}

void loop() {
  digitalWrite(RS485_FC, HIGH);   // Turns on Transmitter Mode
  Serial.println("RS-485 Sending"); 
  
  delay(500);
}

Built-in OLED Display #

Display driverSSD1306
CommunicationI2C
Module Address0x3C
Resolution128 x 64
0.96 OLED Display Specification

Refer to the GPIO allocation table in the datasheet for the I2C GPIO of the OLED Display.

Library supported by the Adafruit_SSD0306 Library.

Wire.begin (SDA, SCL) is required to initialize I2C on correct pins

Programming OLED Display #


#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);


void setup() {
  Wire.begin(16,17);
  
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }

  // Show initial display buffer contents on the screen --
  // the library initializes this with an Adafruit splash screen.
  display.display();
  delay(2000); // Pause for 2 seconds

  }

void loop() {
}

Built-in Buttons #

Read modeADC (Analog to Digital Conversion)
Analog IOGPIO32
Built-in button Internal Schematic

Programming Buttons #

#define buttonPin 32
int  buttonState = 0;

void setup() {
 
  Serial.begin(9600);                             
  pinMode(buttonPin,INPUT);
}
void loop() { 
  Serial.print("Button: ");
  buttonState = analogRead(buttonPin);
  delay(50);
  Serial.print(analogRead(buttonPin));
  Serial.print("\tAnalog: ");
  delay(1000);
}

Internal RTC #

RTC ChipDS3231
Backup Battery TypeCR2032
InterfaceI2C
I2C Address0x68
SCL PinGPIO17
SDA PinGPIO16
RESET PinGPIO21

Programming RTC #

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "RTClib.h"
 
RTC_DS3231 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
 
#define SCREEN_WIDTH 128  // OLED display width, in pixels
#define SCREEN_HEIGHT 64  // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
 
void setup()  {
    Serial.begin(9600);
 
    if (! rtc.begin()) {
       Serial.println("Couldn't find RTC");
       while (1);
}
    if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C))  { 
        Serial.println(F("SSD1306 allocation failed"));
        for(;;); // Don't proceed, loop forever
}
     rtc.adjust(DateTime(__DATE__, __TIME__));
  display.display();
     delay(2);
     display.clearDisplay();

    display.clearDisplay();
    display.setTextColor(WHITE);   //display.startscrollright(0x00, 0x0F);
    display.setTextSize(2);
    display.setCursor(0,5);
    display.print("  Clock ");
    display.display();
    delay(3000);
}
void loop() {
    DateTime now = rtc.now();
    display.clearDisplay();
    display.setTextSize(2);
    display.setCursor(75,0);
    display.println(now.second(), DEC);

    display.setTextSize(2);
    display.setCursor(25,0);
    display.println(":");
 
    display.setTextSize(2);
    display.setCursor(65,0);
    display.println(":");
    display.setTextSize(2);
    display.setCursor(40,0);
    display.println(now.minute(), DEC);
 
    display.setTextSize(2);	
    display.setCursor(0,0);
    display.println(now.hour(), DEC);
 
    display.setTextSize(2);
    display.setCursor(0,20);
    display.println(now.day(), DEC);
   
    display.setTextSize(2);
    display.setCursor(25,20);
    display.println("-");
 
    display.setTextSize(2);
    display.setCursor(40,20);
    display.println(now.month(), DEC);
 
    display.setTextSize(2);
    display.setCursor(55,20);
    display.println("-");
  
    display.setTextSize(2);
    display.setCursor(70,20);
    display.println(now.year(), DEC);
 
    display.setTextSize(2);
    display.setCursor(0,40);
    display.print(daysOfTheWeek[now.dayOfTheWeek()]);
    display.display(); 
 }

 

Micro SD Card Support #

SD CARD CSGPIO5
MISOGPIO19
MOSIGPIO23
SCLKGPIO18

Programming SD Card #


#include <SD.h>

#define PIN_SPI_CS 5 // The ESP32 pin GPIO5

File myFile;

void setup() {
   Serial.begin(9600);

   if (!SD.begin(PIN_SPI_CS)) {
     Serial.println(F("SD CARD FAILED, OR NOT PRESENT!"));
     while (1); // stop the program
  }

   Serial.println(F("SD CARD INITIALIZED."));

   if (!SD.exists("esp32.txt")) {
     Serial.println(F("esp32.txt doesn't exist. Creating esp32.txt file..."));
     // create a new file by opening a new file and immediately close it
     myFile = SD.open("esp32.txt", FILE_WRITE);
     myFile.close();
  }

   // recheck if file is created or not
   if (SD.exists("esp32.txt"))
     Serial.println(F("esp32.txt exists on SD Card."));
   else
     Serial.println(F("esp32.txt doesn't exist on SD Card."));
}

void loop() {
}
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Updated on November 27, 2023

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Table of Contents
  • Programming
  • Digital Inputs
    • Wiring Digital Inputs
    • Programming Digital Inputs
  • Transistor Outputs
    • Wiring Transistor Outputs
  • Analog Input
    • Wiring Analog Inputs
    • Reading Analog Input
    • Programming Analog Inputs 
  • RS-485 communication
    • RS-485 Wiring
    • Programming RS-485
  • Built-in OLED Display
    • Programming OLED Display
  • Built-in Buttons
    • Programming Buttons
  • Internal RTC
    • Programming RTC
  • Micro SD Card Support
    • Programming SD Card
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