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.
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Pin 7 = X1
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Pin 6 = X2
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Pin 5 = Y1
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Pin 4 = Y2
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Pin 3 = Z1
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Pin 2 = Z2
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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!