RK-Education-RKUB2-Powered-Breakout-Board-for-BBC-micro-bit-RK-Education-RKub 2-p-The-RKub 2-is-a-powered-edge-connector-b-breakout-board-b-solder-kit-for-the-b-BBC-micro-bit-b-Supplied-as-a-self-build-kit-that-is-easy-to-assemble-with-surface-mount-voltage-regulators-that-are-easy-to-solder-The-assembly-has-a-power-switch-&-a-2-1mm-DC-power-socket-12V-DC-recommended-powering-the-board-&-the-micro-bit-p-RK-Education-RKUB2-Powered-Breakout-Board-for-BBC-micro-bit