Recent updates:

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Ender 3v2 from July to October
tl;dr: Auto-leveling is great, Silky PLA is great and PETG is annoying, vase mode and fat nozzles are great, and prints are mostly turning out right without pain and suffering. So far, I got a printer, managed to actually print things other than calibration pieces and printer mods, and then the…

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My Ender 3v2's failed motherboard, the repair work, and the new BLTouch
Just outside of the Amazon return window but before the actual warranty went out, my printer's motherboard failed, which triggered some maintenance and upgrades. Walking away from the printer and a Spaghetti Detective After getting the printer, I've been printing like mad. A lot of other people's…

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Step 1: A recap of past construction
This is mostly a recap of the results of my previous effort that ran CircuitPython . The hardware was fine but once I moved from a 60 LED strip to a 144 LED strip, the M4 didn't have enough memory to hold bitmaps in RAM anymore if I was using CircuitPython. So, after I'd carefully migrated the…

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The M4 Feather LED strip driver
I set up my M4 Feather board previously using CircuitPython. But I ran out of RAM on the M4, so I went for a Teensy 4.1 instead for driving LED strips with CircuitPython. This is my revisited build using the M4 in the Arduino environment.