G-Code Button PCB for Agent Cain's Gcode Buttons

BOM

Part NO.	Qty	LCSC	Ali
Conn_01x03	1	C131339	Link
Conn_01x04	1	C131334	Link
WS2812-5050	1	C114586	Link
ROMER_G	1	---	Link

Assembly

• Order the pcb at e.g. pcbway or jlcpcb
• Order the buttons at e.g. aliexpress
• Order the PH connectors at e.g. aliexpress
• Assemble the PCB, the led is solderable by hand with a fine tip
• Wire up the pcbs to your controller
  • You can wire multiple pcb's in series, just go from data out (DO) to data in (DI) and expose only the switch (SW) cable for every pcb to your controller
• Add them as gcode buttons to your config

[gcode_button _EMERGENCY]
pin: ^!PE8
press_gcode:
    M112

• if you wan't e.g. a color change during press and macro execution, you can do it like this

[gcode_button _FILAMENT_UNLOAD]
pin: ^!PC12
press_gcode:
    SET_LED LED=buttons RED=1 GREEN=0 BLUE=0 index=2
    FILAMENT_UNLOAD
    SET_LED LED=buttons RED=1 GREEN=0.5 BLUE=0 index=2

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Troubleshooting

• Problem: My Leds showing Random colors
  • Solution: Add a ~400Ω Resistor on the data line

Notes

• You can contact me via Discord "Gi7mo!#4618"
• This readme file contains Amazon Associate, Aliexpress affiliate, PCBWay affiliate links. I make a comission on qualifying purchases.
• This project does not come with any warranty, if you choose to build/use one, you are doing this at your own risk!