#include #include SoftwareSerial mySerial(1, 0); bool state; bool previousState; int value; void setup() { CLKPR = (1 << CLKPCE); CLKPR = (0 << CLKPS3) | (0 << CLKPS2) | (0 << CLKPS1) | (0 << CLKPS0); Wire.begin(8); Wire.onReceive(receiveEvent); mySerial.begin(9600); } void loop() { delay(500); } void receiveEvent(int ledState){ while (Wire.available()) { value = Wire.read(); mySerial.println(value); } }