Download Wire.h Library For Arduino Access

Wire.requestFrom(deviceAddress, 1); // Request data from device while (Wire.available()) { char c = Wire.read(); Serial.print(c); } Serial.println();

delay(1000); } In this example, we're using the Wire library to communicate with an I2C device with address 0x12 . We're writing data to the device, then reading data back from the device and printing it to the serial console. download wire.h library for arduino

#include <Wire.h>