This board is great first board to start with e-textile projects. Those a bit more advanced than simple LED. ATmega32u4 on board has native USB support (no USB/Serial converter is needed).
Board has LiPo battery connector (JST type, we have matching cable) and charging circuit. There is switch with two positions ON and CHG. In ON postion processor is running, in CHG processor is powered-off. In both positions LiPo battery is being charged if present and USB power is connected.
On board there are 4 red LEDs. Two signal Serial communication, one is charging indicator (LED above switch), and fourth is controlled via pin 13.
Specification:
- Board is LilyPad32u4 clone
- Processor ATmega32u4
- Native USB support
- Built in LiPo connector and charging circuit
- PCB diameter – 50 mm
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