try Digikey and look for autotransformers or Step Up, Step Down
Type: Posts; User: kelly96048
try Digikey and look for autotransformers or Step Up, Step Down
the arduino runs off the USB but the stepper driver runs off the 24 volts
did you check the power switch on the controller . it is by USB plug
Is there any lights on the controller with the USB cable unplugged