It was cheaper than the CNC kits, but it was not possible to get a remote to do some moves without a computer. Those kits are very interesting, but they require a PC with a serial port (dedicated desktop PC). I found that it was possible to make a USB CNC controller with an Arduino UNO, a CNC shield and GRBL. So, I decided to find a solution for a cheap CNC controller. At first, I looked on eBay for CNC kits (+/- $150) that work with Mach3 and required a PC with a serial port. I knew that the CNC controller for this machine was very expensive (around $1500 USD). I've already used this kind of CNC when I was at college during my studies to engrave aluminium parts. The stepper motors are 6 wires Nema 23 with dual shaft (on both sides). The previous owner only used it with the hand wheels. ![]() The stepper motors were on it, but without the CNC controller. ![]() The picture below is the Sherline when I bought it in 2014.
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