It runs without needing additional costly power supplies, and is neatly packed in a custom acrylic case. It’s fast, small, easy to connect and affordable. The Mini Gerbil is our latest model drop in replacement Controller for the stock K40 Nano M2 board. See our home page – web store for ordering!
You can pull slightly on the wire you are trying to get out. Now use the pin to push down on the metal closest to the end with the holes. If you have a pin or something small and pointed, you unplug the connector from the Laserboard, look for the side that has the most metal showing. The controller sends another pulse to the the second set that ( when in phase ) which pushes the rotation in the correct direction. Normally as the controller sends pulses to the stepper motor, one set of coils is energized and makes the motor start to turn. One set of coils is telling the motor to rotate one way and the other set ( being out of phase ) is saying to go the other direction. The 2 sets of coils in the stepper motor are fighting to figure out what to do. Swap the yellow and white on the connection to the laserboard and it should work correctly. If you found the white and yellow are incorrect then you had one of the Nano boards that had the pins on the Nano reversed.
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