There are plenty of designs for table-top 3D printers, engravers, and general CNC machines out there. However, if you wanna build big things and build them fast, sometimes you need a machine that can ...

[Matt] is the proud owner of a JGRO-based CNC router and he’s been working on a way to control it without a computer. What he came up with is a way to drive the CNC machine using this Android tablet.