general information:
IO: bit as expansion boards that can be used for small Micro: bit, which is a small buzzer.
It differs from the Commission to expand the market, not just the board adapter IO.
property:
1. Plug and Play Compatible with the Micro: bit.
2. Mounting holes for Lego, compatible with KittenBot.
3. With a small ring
Specifications:
Size: 3.7 x 5.7 cm
Net weight: 15 grams
The thickness of the board PCB: 1.6 mm.
In combination with:
1x IO: Bit (excluding Micro: bit).