I2C 16X2 LCD DISPLAY || I2C INTERFACE MODULE

I2C 16X2 LCD DISPLAY || I2C INTERFACE MODULE

MKINVENTIONS GITHUB:

https://github.com/MKinventions/I2C-16X2-LCD-DISPLAY-SAMPLE-CODE-ARDUINO

(DOWNLOAD LIBRARY, CIRCUIT, CODE INA SINGLE FOLDER)

CODE:

A. I2C SCANNER CODE:

/*I2C_scanner

  This sketch tests standard 7-bit addresses.

  Devices with higher bit address might not be seen properly.*/

  

#include <Wire.h>

void setup() {

  Wire.begin();

  Serial.begin(9600);

  while (!Serial);

  Serial.println("\nI2C Scanner");

}

void loop() {

  byte error, address;

  int nDevices;

  Serial.println("Scanning...");

  nDevices = 0;

  for (address = 1; address < 127; address++ ) {

    Wire.beginTransmission(address);

    error = Wire.endTransmission();

    if (error == 0) {

      Serial.print("I2C device found at address 0x");

      if (address < 16)

        Serial.print("0");

      Serial.print(address, HEX);

      Serial.println("  !");

      nDevices++;

    }

    else if (error == 4) {

      Serial.print("Unknown error at address 0x");

      if (address < 16)

        Serial.print("0");

      Serial.println(address, HEX);

    }

  }

  if (nDevices == 0)

    Serial.println("No I2C devices found\n");

  else

    Serial.println("done\n");

  delay(5000);

}

B. I2C 16X2 LCD DISPLAY CODE:

//I2C LIQUID CRYSTAL LIBRARY:-  https://github.com/johnrickman/LiquidCrystal_I2C

#include <Wire.h> 

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F,16,2);//Default address is 0x27

void setup()

{

  lcd.init();

  lcd.backlight();

  

  lcd.setCursor(0,0); // 1st COLUMN(0) 1st ROW(0)

  lcd.print("WELCOME  TO");

  lcd.setCursor(0,1); // 1st COLUMN(0) 2nd ROW(1)

  lcd.print("MKINVENTIONS"); 

}

void loop()

{

}