The Piranha LED light module (Red), the special sensors Arduino board and the ambient light sensor extension combination, can be used in the interaction with the light works. When the LED light module connected to Arduino, the digital pin (LOW on, HIGH off) is used to control it. The brightness of LED can be controller via PWM output. Specifications Voltage: +3.3-5V Pin Definition : 1 – control 2 -GND 3 — Power Weight: 5g Colour: Red Documents Product wiki Package Contents 1x LED light module-Red 1xDigital Cable