//detect switch closure, blink an LED and print letter "A" to the serial port //10/15/2008 BitMonkey Labs // int inputPin=7; int outputPin=13; void setup() { pinMode(inputPin, INPUT); pinMode(outputPin, OUTPUT); Serial.begin(57600); } void loop() { if(digitalRead(inputPin)==HIGH) { Serial.print("A"); digitalWrite(outputPin,HIGH); delay(500); digitalWrite(outputPin,LOW); } }