Check out this cool etch CNC. Actually we were thinking of making this too, but since it’s already made, we can learn from it and make it quicker. Awesome! 🙂
I am using a retrofit machine that fit within my budget. It’s a 2-axis machine with approximately 170x130mm travel.
The circuit board is my own design, using a ULN2803 per motor to supply approx. 0.3 amps per winding. The power supply is a standard AT hard-drive power connector, with the +12V used to power the