Overview

This is a CNC controller targeting machines that use stepper motors on 2 axes. These include pen drawing machines, laser cutter/engravers, sand plotter, etc. It also has an RC Servo connector for pen lift on a Z axis. The stepper drivers use super quiet TMC2209 chips.

Features

• Built in ESP32 Module (4 Meg, PCB Antenna)
• USB-C Connector
• (2) TMC2209 stepper drivers.
• Optional stallguard for sensorless end stops
• (6) inputs (limit and control switches)
• (3) 5V outputs to control lasers, and accessories.
• RC servo connection
• I/O Expansion port for displays and pendants.
• SD Card socket.
• Small 70mm x 70mm size.

Open Source Documentation

• Wiki
• Source Files
• Discord Support (see wiki for invitation)