Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
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Summary
This is a work in progress because I have yet to successfully program the ATMega 168.
This is the RepRap/MakerBot Extruder Controller, but without all the extruder-controlling bits. I would love to have a dedicated Unicorn Plotter controller board, but don't want to shell out $45 for one. The schematic just contains all the necessary parts for an Arduino to be controlled and powered over RS485 with two digital I/O ports.
The board file is experimental! It should work, but there's no guarantee.
By the way, this board costs around $20 (including components) to make, but only if it's priced in groups of 10.
Instructions
- Convert to Gerber files to be used by your PCB creation service.
- Get it produced.
- Get the parts and solder everything up.
- Flash the firmware to the board.
- Connect to Unicorn Servo.
- Enjoy your Unicorn!