1. This is a updated version based on the original, increase the LED lamp circuit for displaying power supply, you are prompted when normally insert raspberry pie
2. In case of external power supply short circuit, the light goes out, promptly unplug the power can also save raspberry pie back to PI
3. Double effect, ensure the safety of the products.
4. Easy and convenient to use
RPIGPIO V2.1
11*7.0*4.0 cm
82 g