With its integrated battery, the MyoWare® 2.0 LED Shield powers the MyoWare 2.0 Muscle Sensor and shows the strength of a target muscle's signal. The measured signal's magnitude is displayed in the blue 10-segment bar graph. The higher up the board LEDs go, the more muscle activation is measured! With the help of this shield, the signals from the MyoWare 2.0 Muscle Sensor will be shown to you visually. Snap connectors on the board allow you to quickly stack the LED shield on top of the MyoWare 2.0 Muscle Sensor and turn the switch to the ON position, which will provide the sensor with all the power it needs to perform its myoelectric magic. Every board comes with