Elecfreaks edge:bit for micro:bit (edgebit)

Edge: bit is a breakout board for protecting your micro: bit golden finger. The specially designed golden finger brings more convenience to the micro: bit extension. But, at the same time, it is easily braised or scratched by an alligator clip. Edge: bit can provide all-around protection for your micro: bit, which makes your micro: bit life span become much longer.

Wiki Tutorial:https://elecfreaks.com/learn-en/microbitExtensionModule/edge_bit.html