Note: Obviously, external I/O expanders can be used increase I/O pin count. This project is focused on using only the I/O on the ESP32. Added bypass jumper for 4th axis. Install jumper if 4th axis is ...

[batchelc] decided to make his own large-scale CNC Foam Cutter and took a lot of photos along the way. Since machine is 4 axis, meaning both sides can move forward/back and up/down independently ...

[Perry] was interested in adding a 4th axis to his CNC machine, but not very excited at the prospect of spending hundreds of dollars on the parts and electronics to make it work. There is a very ...

The following repository holds the code, schematics and hardware needed to build a simple two linear axes plotter controlled with an Arduino and a CNC shield. The X axis is controlled by two Nema 17 ...