device.on('connect', function() {

          console.log('Connected: ', +new Date());

          const watchButtonPressEverySecond = _.debounce(watchButtonPress, config.DEBOUNCE_MS);

          rpio.open(config.BUTTON_PIN, rpio.INPUT, rpio.PULL_UP);

          rpio.poll(config.BUTTON_PIN, watchButtonPressEverySecond, rpio.POLL_LOW);

        });