Bummer! failed to call stepper

photon
Tags: #<Tag:0x00007f03adf45a08>

#22

A diode placed across the motor if it is to only rotate in direction could protect the Photon.

This is written without having seen a diagram of the circuit or having knowledge of your goal.


#23

For stepper motors that’s not an option as the coils will always be energised both directions alternatingly.


#24

Sorry…only saw motor, not stepper. Of course you are correct. I just came to the party too late. Grin…