Reviving an old CNC router with Arduino

Makerspace i3Detroit was the recent recipient of a free yet non-functioning CNC router. While out of commission when received, the device’s mechanical components and motors appeared to be in operational condition, plus it had a large work surface. The decision was made to get the CNC up and running for now, with the eventual goal of turning it into a plasma cutter.

First, they booted up its (Windows 95) computer and replaced a power supply on the controller. An adapter board for the controller was then built using info from this Arduino Forum post, allowing the router to be controlled with an Arduino Mega running grbl firmware

Although there is still some work to do, it can be seen happily jogging along in the video below, and appears well on its way to becoming a usable machine!

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