  * D10: RGB LED green
  * D11: RGB LED blue
  * D12: push button 5
- * D13: LED and Bluetooth power
+ * D13: LED
  * A0:  piezo motion sensor
  * A1:  (unused)
  * A2:  (unused)

        }
    }
#endif
      
    readKeys();
    
    if (keyState != lastKeyState) {

        
        // bells and whistles
        if (keys[4] == HIGH) {
            laserOn();
        } else {
            laserOff();
        }
        if (keys[3] == HIGH) {
            receiveLightLevelRequest(0, 0);  
