https://github.com/chrisand1998/grbl-pendant-with-lcd

Arduino UNO or MEGA Pendant with LCD for GRBL 1.1f (Jog X Y Z and send any Command while connected to PC simultaneously)
https://github.com/chrisand1998/grbl-pendant-with-lcd

cnc grbl grbl-control grbl-firmware grbl-mega

Last synced: about 2 months ago
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Arduino UNO or MEGA Pendant with LCD for GRBL 1.1f (Jog X Y Z and send any Command while connected to PC simultaneously)

• Host: GitHub
• URL: https://github.com/chrisand1998/grbl-pendant-with-lcd
• Owner: ChrisAnd1998
• Created: 2021-02-25T16:46:19.000Z (about 4 years ago)
• Default Branch: main
• Last Pushed: 2021-03-13T11:04:11.000Z (about 4 years ago)
• Last Synced: 2025-03-18T20:40:44.457Z (2 months ago)
• Topics: cnc, grbl, grbl-control, grbl-firmware, grbl-mega
• Language: C++
• Homepage:
• Size: 52.7 KB
• Stars: 28
• Watchers: 7
• Forks: 5
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# GRBL 1.1x Pendant with LCD

![IMG_20210303_090325](https://user-images.githubusercontent.com/50437199/109773474-89943300-7bff-11eb-8153-c5cf375ac23e.jpg)

Arduino UNO or MEGA Pendant with LCD for GRBL 1.1f (Jog X Y Z and send any Command while connected to PC simultaneously)  

* Requires second Arduino UNO or MEGA for pendant and another MEGA for LCD.

* Needs Serial TX from pendant Arduino to Serial RX on GRBL Arduino connected.

* Needs Serial RX(pin 10) from LCD Arduino to Serial TX on GRBL Arduino connected.

* Can be used while connected to PC with Gcode sender software. 

Libraries:

* https://www.arduino.cc/reference/en/libraries/regexp/

* https://www.arduino.cc/reference/en/libraries/liquidcrystal-i2c/

Send any command to GRBL with push buttons. 

Already included Jogging with pin 7, 6, 5, 4, 3 and 2. Diagonal jogging support included.

And Unlock with pin 8.

* Pin 7 = X1  

* Pin 6 = X2  

* Pin 5 = Y1  

* Pin 4 = Y2  

* Pin 3 = Z1  

* Pin 2 = Z2  

* Pin 8 = Unlock

LCD 4x20:

![IMG_20210303_090054](https://user-images.githubusercontent.com/50437199/109773085-12f73580-7bff-11eb-8436-7b7d54cffe93.jpg)

**Video** : https://www.youtube.com/watch?v=AHFh_BJhGSI  

[![IMAGE ALT TEXT HERE](https://img.youtube.com/vi/AHFh_BJhGSI/0.jpg)](https://www.youtube.com/watch?v=AHFh_BJhGSI)

Tip: Use 10k resistors for your buttons to avoid static interference!