Stepper-drive Plastruder Demo

We’re upgrading our Makerbot Cupcake CNC with a stepper motor-driven plastic extruder. Here are the components of the new plastruder:

I just finished soldering the carrier board kit with the shweet new Hakko 936 iron I got for Christmas.

We haven’t extruded any ABS plastic yet so you’ll have to settle for the impressive toothpick-and-electrical-tape indicator I stuck to the motor drive shaft :]


  • Operating the PSCC V1.5 without its GND input connected will produce mysterious behavior (e.g. stepping the motor erratically based on the electrostatic fields of nearby objects!)
  • The LED at top left indicates power supplied to the board.

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