Grbl_ESP32 MPCNC CNC Controller Ver 1.2.2

Name: Grbl_ESP32 MPCNC CNC Controller Ver 1.2.2
SKU: 16698
Price: 57.50 USD
Availability: Discontinued
Rating: 5.00 (7 reviews)

(7 Reviews)

A 32 Bit CNC Controller with WiFi and Bluetooth for your MPCNC Machine

Designed by Bart Dring in United States of America

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Grbl_ESP32 MPCNC CNC Controller Ver 1.2.2 1

2019-09-24T16:56:18.820Z-v1p2p1_pcba.jpg

Hardware and Electronics for Motion Control and CNC.

A 32 Bit CNC Controller with WiFi and Bluetooth for your MPCNC Machine

Note: This product is out of stock for a while. Please consider using the 6 Pack Universal Controller. It does all the features of this controller and a lot more. What is it? This is a CNC controller…

What is it?

This is a CNC controller specifically designed to address the needs of the MPCNC (Mostly Printed CNC) CNC 3D Router.

You must provide the stepper motors modules. You must also provide, program and install an ESP32 module, unless you select the option to have it provided.

When the optional ESP32 module is provided, it will be programmed with all the default settings and the relay as the spindle control.

Why did you make it?

The MPCNC has some special requirements that are not addressed very well with other controllers. The X and Y axes have (2) motors drivers each. The (2) motor drivers for each of these axes bring added power and also have an auto squaring feature to square up your machine every time it homes.

What makes it special?

The controllers has these 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.
Multiple Interfaces
- USB Serial:
- Web User Interface (browser):
- Telnet:
- Bluetooth:
- SD Card:
(5) Stepper Motor Drivers: One for each motor in the MPCNC design. Motors are ganged in firmware and have an auto squaring feature executed during homing.
Limit Switch Connectors:
Control Pins:
Spindle Control:
Z Touch Plate:
Fan Power:
Micro SD card:

This was custom designed for the MPCNC, but it can also be used on the Low Rider machine.

Additional Details

I am not affiliated with the V1 Engineering MPCNC project. This is an open source project with no commercial restrictions. All details and operating instructions are at the GitHub repo found under the documentation link below.

Version History

Version 1.1 Original
Version 1.2
Made GPIO2 and output. Some dev modules have trouble with this as an input. Shuffled a few pins to accommodate 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
Version 1.2.2
Added RC filters on limit, proba and control switch inputs.
No change to I/O numbers

Review Breakdown

Average Ratings

Product: (5.00)

Documentation: (5.00)

Shipping: (5.00)

Communication: (5.00)

Eric | Oct. 7, 2020

Exactly what I needed

Works great with the MPCNC. I upgraded from an UNO with a 4-motor driver board. Having the 5th motor driver and using auto-squaring gives me much more accurate results. Support is very responsive and the active Slack channel is great.

Ken | Aug. 13, 2020

Great board just plug and play

Fast shipping. Great board just plug and play. Hooked it upand had it running in 5 minutes. Thanks

Carl | July 23, 2020

Great quality product

I've installed the board on my mpcnc router/laser. High quality PCB. Adding the power of esp32 to my cnc is a must.

Steven | July 22, 2020

Great product

I use my MPCNC mostly for 3d carving, i wanted to use Universal Gcode Sender and GRBL and this board fits the need perfectly. The auto-squaring works very well and has good repeatability.
I would buy another if needed.

Joe | June 21, 2020

Absolutely Awesome!

This is a great product from an outstanding supplier! Customer service is 5 stars!!!
Still getting my system worked out but the board and parts work as advertised, I’m NOT disappointed!

Mike | March 8, 2020

Highly recommended

This controller is a perfect fit for the MPCNC router. I have experience with 2 of these and they are both working great. Auto-squaring a cool feature for gantry style cnc’s works well and in my opinion GRBL is a better choice than Marlin for a router. The documentation is excellent though a little spread out and the support has been excellent. I had a problem that turned out to be a wiring issue but Bart worked hard to help me resolve it. Be sure to use shielded cable for the home/limit switches and you will not have a problem.

Robert | Feb. 14, 2020

Exactly what I was looking for

For me, this is a sweet spot for DIY CNC applications.
The ESP32 is an amazing device in terms of built in capability and overall performance. While it would be nice if it had a few more GPIO pins available, this control board does a great job of optimizing available GRBL capability within the inherent constraints of the ESP32 architecture.
The firmware was easy to configure and customize and works great.
I am currently using it on an MPCNC and would not hesitate to buy more for other projects or recommend to others.

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