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TeamFDM.com is an UNOFFICIAL companion site for the DIY Voron 3D printer community. For official docs and final source of truth, visit the Official Voron Discord or the Voron Github
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TeamFDM.com is an UNOFFICIAL companion site for the DIY Voron 3D printer community. For official docs and final source of truth, visit the Official Voron Discord or the Voron Github
Question
BDW
A little history to set the stage. I had my Voron 2.4r2 running nicely, but wasn't happy with the wiring to the Stealthburner, etc. So I ordered one of the prebuilt wiring harnesses and the printed circuit board. The harness has been installed and everything is working ... except the nozzle and logo LEDs on the Stealthburner. They light up, but the colors are wrong (compared to what they were before the wiring change). Clicking on LED macro buttons does change the colors. By wrong colors I mean for example clicking "Status_Printing" the logo is purple and one nozzle LED is red and the other green where they should be red and white respectively. Clicking "Set_Nozzle_Off" changes the nozzel color but doesn't turn them off. The colors are usually the same each time a given button is clicked, but I have seen instances where the colors change.
To try and pin things down I made up a duplicate set of 3 LEDs on a cable and plugged the cable into the neo-pixel connector on the BTT Octopus board (essentially how the LEDs were originally connected) and the duplicate set function perfectly. I have checked the wiring: the center pin of the neo-pixel connector is connected to the "signal" line and the right most pin to the "+5" line on the two wire dupont connector from the new harness (the third pin is not used, the grounds are apparently brought up on one wire from elsewhere), on the Stealthburner end the +5V line on the LEDs to the bottom pin on the PCB, the ground line to the middle pin and the signal line to the top pin.
Anybody have any thoughts on what else to look at?
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