6-Pack Grbl_ESP32 CNC Controller

Overview

This is a fully modular CNC controller that runs Grbl_ESP32 firmware.

Current Source Files.

The latest versions are now on OSHLabs with the free version of EasyEDA. I did this to make it more accessible and easier to order.

Features

• ESP32 Sockets to fit both narrow and wide 2 x 19 pin types.
• (6) Stepper Driver Outputs. These can be used for 6 axes (XYZABC) or any (2) can be ganged to allow dual motors on a single axis. These ganged motors can be controlled independently for axis squaring. It supports these types of drivers. Each driver has an independent enable/disable pin.
  • Standard Pololu/StepStick style driver modules.
  • Trinamic SPI type drivers. These are the ultra quiet types with sensorless endstop capability.
  • External Driver with 5V opto isolators. (5) CNC I/O Modules. These interface with your machine. They include, but are not limited to, siwtch inputs, spindle control and accessory control. Currently there are (5) modules available.
  • High current AC/DC relay
  • 4x 5V Buffered output for lasers, PWM, spindle direction, spindle enable, ect.
  • RS485 Modbus Spindles
  • 0-10V Output Spindles
  • 4x Switch input with Optocouplers, filtering and Schmitt triggers.
• SD Card Socket
• JTAG Programming/Debugging connector (or access to addition I/O pins