release/guitar/guitar.ino

   1
   2 const int THRESHOLD = 10;
   3 const int GUITAR_PIN = A0;
   4 const int PINLIMIT = 5000;
   5
   6 int val;
   7 int pinDelay;
   8
   9 void setup() {
  10   Serial.begin(9600);
  11 }
  12
  13 void loop() {
  14   val = analogRead(GUITAR_PIN);
  15
  16   if (val >= THRESHOLD && pinDelay < 1) {
  17     Serial.print("guitar,");
  18     Serial.println(val);
  19     pinDelay = PINLIMIT;
  20   }
  21
  22   if (pinDelay > 0) {
  23     pinDelay = pinDelay - 1;
  24   }
  25 }
  26