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tegila / i2c.scanner.cpp
Last active January 10, 2018 17:41
QC2004A PCF8574AT 20x4 LCD DISPLAY
// I2C Scanner
// Written by Nick Gammon
// Date: 20th April 2011
#include <Wire.h>
void setup() {
Serial.begin (115200);
// Leonardo: wait for serial port to connect