arduino/maracas.ino

   1 int newState;
   2 int states[] = {-1,-1};
   3 const int wait = 500;
   4
   5 void setup() {
   6   Serial.begin(9600);
   7 }
   8 void loop() {
   9   for (int i = 0; i < 3; i+=2) {
  10     newState = digitalRead(i);
  11     if (newState != states[i]) {
  12       Serial.print(i);
  13       Serial.print(",1023");
  14       Serial.println();
  15       states[i] = newState;
  16       delay(wait);
  17     }
  18   }
  19 }