On the PWM mezzanine, both 18 AWG Belden and Alpha wire fit the Servo Power pads next to the PWM servo connector, the positive voltage pad is marked with a "+". There is a lot of inherent heat-sinking in the wire and servo connector, so a large soldering iron tip must be used. ...
Now let’s close look at the pinout of the driver and hook it up with the stepper motor and the controller. So we will start with the 2 pins on the button right side for powering the driver, the VDD and Ground pins that we need to connect them to a power supply of 3 to 5.5 ...