This repository lets you use your micro:bit as a screen for an arduino (tested with a micro:bit V1 and arduino nano 33 ble but it should work on every micro:bit and arduino) with 3 pins.

Designed and manufactured by Digilent, a Microchip Authorized Design Partner, the chipKIT™ platform is the first and only 32-bit Arduino solution to enable hobbyists and academics to easily, and ...