A big part of the hack is the CNC controller that he’s using. The TinyG is a board that can take commands via USB and convert them to instructions for up to six axes. In the video after the ...

We’ve seen some impressive custom-built CNC controllers over the years, but between the mostly off-the-shelf hardware used and impressive UI, we think [Steve] has created something unique.

Serial interfaces transmit data one bit at a time and include RS232, RS422, and RS485. Some CNC controllers use the universal serial bus (USB), a 4-wire, 12-Mbps serial bus for low-to-medium speed ...