February 7, 2012 · 0 Comments
int pin = 7; int incomingByte = 0; void setup() { Serial.begin(9600); pinMode(pin,OUTPUT); } void loop () { if(Serial.available() >0){ incomingByte = Serial.read(); Serial.print("ON!"); Serial.println(incomingByte); if(incomingByte == 65){ // A digitalWrite(pin,HIGH); delay(150); }else{ digitalWrite(pin,LOW); delay(150); } } } Read More: http://arduino.tw/allarticlesindex/2009-09-06-18-37-08/225-relay.html#ixzz1ljwfpuSB Arduino.TW Under Creative Commons License: Attribution Non-Commercial No Derivatives