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)

GRBL 1.1x 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)

• 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:

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

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