478: drawbot gear print and motor setup

This week I’m working on building the drive system of the drawbot/chalkbot:

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I plan on operating the drawbot remotely, so I hooked up a  12V 7Ah battery and got a Nema 17 (12V 0.4A rated) running with a A4988 stepper motor driver controlled with Arduino.

I’m going to be playing with the code this next week and continuing designing/building the driver system so I can start testing as soon as possible.

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