    Connections
    ===========
    Connect SCL to analog 5
+   
    Connect SDA to analog 4
    Connect VDD to 3.3V DC
    Connect GROUND to common ground

void setup(void)
{
  while (!Serial);
  delay(500);


  triggerButton.setDebounceDelay(newDebounceDelay);


  if (triggerButton.isPressed())
  {
    Serial.println("trigger");
    ble.print("trigger");
    
    if (  millis() > recenterTime )
    {

      CalibrateGun();
      
      ble.print("recenter");
      //ble.println("AT+BLEKEYBOARDCODE=00-00-" + hex_to_str( RECENTER_KEY ));
      Serial.println("recenter");
      //delay( 10 );
      //  release key
      //ble.println("AT+BLEKEYBOARDCODE=00-00");
      recenterTime = millis() + 10000;
    }
  }
