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Posted · UM3 RGB LED Functionality?

I saw a video from 2017 detailing the insertion of the M142 instruction into a G-code file to modify the Ultimaker 3 LED strips to any wanted RGBW colour. This seems to have been disabled since then. The RepRap wiki states that M150 should work for Marlin flavour (which I think the UM3 uses) but it doesn't seem to. 

 

I'm using a Cura-generated G-code file as boilerplate and the rest of the instructions are executed, just not the M142/150 instructions. 

 

Any ideas?

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Posted · UM3 RGB LED Functionality?

M142 gcode still works for me like mentioned in this post:

 

https://community.ultimaker.com/topic/15555-inside-the-ultimaker-3-day-1-gcode/?do=findComment&comment=160455

 

note that the parameters are in lowercase (which is quite unusual for gcode)

 

...but it is well possible that devices with newer manufacturing dates are not equipped with rgb led-stripes anymore? 🤷‍♂️

 

You can try to use the (official) API - the documentation is reachable from the printers home-page.

 

 

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