inoProjects/Theremin/Theremin.ino

/*
 *@author James McKenzie
 *@lang C89 Based
 *@contact lunarised@outlook.com
 */
 int mode;
void setup() {
    pinMode(0, INPUT_PULLUP);
    pinMode (13, OUTPUT);
  pinMode(8, OUTPUT);
  if (digitalRead(0) ==HIGH){
    mode = 0;
  }
  else{
    mode = 1;
  }
}

void loop() {
  if (mode == 0){
    digitalWrite(13, HIGH);
    tone(8, 440);cd 
  }
}