The biggest feature of this adapter board is the expansion of 13 interfaces that do not conflict with the micro:bit development board IO port. It can be used for external alligator clips for various DIY experiments. Not only that, but it also integrates a micro:bit slot, passive buzzer, headphone jack and LEGO hole. Therefore, this adapter board is a must for DIY enthusiasts.
Designed for micro:bit
Expanded 13 crocodile clip IO ports
Two audio outputs, passive buzzer and 3.5mm headphone jack