The LEDs are driven by a Trinket M0 microcontroller with a LiPo “backpack” to provide power, attachment points for the exposed power switch and recharging capability to the 110 mAh 3.7 V battery.

(Electronic-TRINKET) An electronic amusement. The term may refer to anything someone considers trivial such as an animated icon. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction ...