Atmel Studio project for the BLDC open-loop controller. A very clear Proteus model for verification of the controller and the power circuit using PROSPICE feature of proteus. A code for hall sensors ...

The PCB must be mounted floated, otherwise key presses don't work reliable. Connect pins 3 and 4 on connector P1 for 16-pin button mode. Smaller keypads with less pins may work, but are not tested.