Replacing switch/electronics to use GPIO
Has anyone tried replacing the switch (and possibly all of the electronics) so the motors are controlled by either custom electronics or directly by a printer's GPIO lines? I haven't ordered a 3D chameleon yet, and I haven't found the schematics. However, I'm considering getting the 3D Chameleon, removing the switch and electronics, connecting a custom microcontroller to my printer's GPIO lines, and then driving the motors from my microcontroller. Has anyone already tried this?
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I currently have a Neptune 3 Max, but I plan on (eventually) heavily modifying it. Once I get my CNC machine, I'll probably start designing my own printers, though.