lcd i2c code arduino

Zouari Mehdi answered on April 15, 2022 Popularity 10/10 Helpfulness 7/10

answer lcd i2c code arduino

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lcd i2c code arduino

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//By Zouari Mehdi 
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display

void setup()
{
  lcd.init();                      // initialize the lcd 
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(1,0);
  lcd.print("hello everyone");
  lcd.setCursor(1,1);
  lcd.print("Zouari Mehdi");
}


void loop()
{
}

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Tags: arduino i2c lcd whatever

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Contributed on Apr 15 2022

Zouari Mehdi

0 Answers Avg Quality 2/10

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connecting arduino uno to i2c lcd

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// I2C address finding
#include <Wire.h>
 
void setup()
{
    //Initializing wire
    Wire.begin();
    //Initializing seraial monitor at the baudrate of 9600
    Serial.begin(9600);
}
 
void loop()
{
    byte err, addr;
    //Declaring variable to detect and count no. of I2C device found
    int devices = 0;
     
    // For loop to try multiple combinations of Address
    for (addr = 1; addr < 127; addr++) 
    {
        Wire.beginTransmission(addr);
        err = Wire.endTransmission();
 
        if (!err) 
        {
            Serial.print("Address 0x");
            if (addr < 16)
            {
              Serial.print("0");
            }
            Serial.println(addr, HEX);
            devices++;
        }
        else if (err == 4) 
        {
            Serial.print("Error at address 0x");
            if (addr < 16)
            {
              Serial.print("0");
            }
            Serial.println(addr, HEX);
        }
    }
     
    //Exception, when there is no I2C device found
    if (!devices)
    {
      Serial.println("Please connect your I2C device");
    }
     
    //Waiting for 2 seconds
    delay(2000);
}

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Source: www.geeksforgeeks.org

Tags: arduino-uno ardu

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Contributed on Apr 27 2024

Gorgeous Gull

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lcd i2c code arduino

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