Expansion Board Educational Shield V2 MICROBIT

Description

Description:
IO : bit is a functionable expansion mini board for Micro: bit, which contains a miniature buzze.
It is different from the general expansion board on the market, not just IO adapter board.

Features:
-Plug and play, for Micro:bit

-With miniature buzzer
-Size: 3.7 x 5.7X1.2CM
-Thickness of PCB board: 1.6mm
Working voltage 3V output current 40MA