cncjs VS Candle

I believe the Tool Change command is supported by: gSender or cncjs.

Get a raspberry pi, https://www.raspberrypi.org/, throw UGS https://winder.github.io/ugs_website/ or cnc.js https://cnc.js.org/ on it.

I use https://cnc.js.org/ to send g-code to the machine, this uses web page interface to set up the machine.

https://github.com/cncjs/cncjs/issues/431 ?

CNCjs - For CNC, same as above but for my CNC router, though I would never trust my CNC to run when I'm not physically close by ha ha so this hasn't been exposed to my OpenZiti network.

I think cncjs is what you're looking for: https://cnc.js.org/

Can you try with a different gcode sender software (cncjs), to see if you can Reset (red button) and Unlock (orange button)?

6 - Alternative, Save the gcode and use a g-code sender (example: cncjs). Notice: a g-code sender needs to know where is the 0,0 position/the start position, so in LightBurn select the start position "Current Position" and select the appropriate Job Origin. Save the gcode. On cncjs, move the laser to the "Job Origin" and zero both X and Y (the icon after the + on the Work Position). Click the blue Upload G-Code button, select your file and press the Play button to start the job.

Software: bCNC, cncjs, a couple others

oppure Candle: https://github.com/Denvi/Candle

I looked up the specs for Candle https://github.com/Denvi/Candle says it will run on very minimum hardware. Windows/Linux x86, CPU with SSE2 instruction set support, Graphics card with OpenGL 2.0 support, 120 MB free storage space.

The sainsmart getting started guide is decent enough, worth checking out. I'm pro usb-ing it to a computer (Raspberry pi w/ a touchscreen in my case) & using Candle to drive it, and fusion 360 to generate toolpaths (.nc) files for it. The sainsmart guide covers all that mostly.

I used Candle for awhile (https://github.com/Denvi/Candle). Mach 4 can do it, but I haven't tried with a PCB.

Personally in my setup I use Fusion360 for CAD, CAM and POST, sometimes on complicated/organic models I do the CAD in Blender instead and just import it into Fusion for the CAM/POST, and for a sender I use a little app called Candle (picked it because it had some nice utilities for etching out PCBs which is how I got into CNC), but there's plenty options out there.

I am using pcb2gcode for generating my files for the engraver. https://github.com/pcb2gcode/pcb2gcodeGUI . For commanding the mill I am using Candle. https://github.com/Denvi/Candle . This works very nicely.

Candle is available in english (on Windows and Linux) here: https://github.com/Denvi/Candle

Candle (Win)