a Maqueen driver and sample sources A driver and test programs for DFRobot micro:Maqueen (V4.0) I replaced the control board for Maqueen from micro:bit to XIAO-ESP32-S3. for debug Controller for Maqueen references schematics https://macsbug.wordpress.com/2021/12/ sample driver https://github.com/kd8bxp/micro-Maqueen-Arduino-Library/blob/master/src/Maqueen.cpp