grbl_esp32_mpcnc_controller's Introduction

MPCNC Grbl_ESP32 Controller

This is a CNC controller specially designed to address the needs of the MPCNC (Mostly Printed CNC) CNC Router.

Features

ESP32 Microcontroller:
- Very Fast: Dual core 32 bit, 240 MHz
- Large Flash Memory
- Wifi:
- Bluetooth:
Grbl_ESP32 Firmware:
- Compatible with most existing Grbl gcode sender software.
- Web User Interface
- Multiple Interfaces
  - USB Serial:
  - Web User Interface:
  - Telnet:
  - Bluetooth:
  - SD Card:
(5) Stepper Motor Drivers: On for each motor in the MPCNC design. Motors are ganging in firmware and have an auto squaring feature executed during homing.
Limit Switch Connectors:
Control Pins:
Spindle Control:
Fan Power:
Micro SD card:

Getting One

They are available at the following links or you can source it yourself.

Tindie

Usage Instructions

See the wiki

License

Creative Commons Attribution - ShareAlike 4.0 International

There are no commercial restrictions on using this design, but you must attribute the design to Bart Dring or @buildlog. You must also publish any changes or improvements to the design with the same open source license.

Version History

Version 1.1 Original upload
Version 1.2
- Removed R/C filters on limit switches. This was not working for everyone. A firmware debouncing feature was added.
- Made GPIO2 and output. Some dev modules have trouble with this as an input. Shuffled a few pins to accomodate this change.
Version 1.2.1
- Changed orientation of relay for better layout
- Removed pull down resistor on spindle PWM circuit (it was never installed previously)
- Note: This uses the same cpu_map ans V1.2

Source Files

Donation

This project requires a lot of work and often expensive items for testing. Please consider a safe, secure and highly appreciated donation via the PayPal link below.

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