Micro: Bit IO Expansion Board
This is an expansion board for micro:bit. It extends all available IO ports of the micro: bit, which is led by GVS and you can extend various 3V E-blocks as LEDS, photosensitive and servos. This board comes with an on-board buzzer for outside sound and an onboard RTC clock for timing without power supply.
Specifications:
- Size: 3.7 x 5.7 cm
- Net weight: 15g
- Thickness of PCB board: 1.6mm
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