#include Adafruit_I2CDevice i2c_dev = Adafruit_I2CDevice(0x10); void setup() { while (!Serial) { delay(10); } Serial.begin(115200); Serial.println("I2C address detection test"); if (!i2c_dev.begin()) { Serial.print("Did not find device at 0x"); Serial.println(i2c_dev.address(), HEX); while (1); } Serial.print("Device found on address 0x"); Serial.println(i2c_dev.address(), HEX); } void loop() { }