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FreeCAD AppImage crashing

FreeCAD AppImage crashing All recent FreeCAD AppImages started suddenly crashing on Ubuntu with this kind of output: FreeCAD 0.21.2, Libs: 0.21.2R33771 (Git) © Juergen Riegel, Werner Maye...

Solderable standoffs on LCSC

Solderable standoffs on LCSC Want solderable standoffs from LCSC? They might not be easy to find. However, use the search term SMTSO and you will find a surprising number. In addition, here’s thr...

MPR121 being funky? Change the baseline!

MPR121 being funky? Change the baseline! Are you working with MPR121? Does it at times start being screwy, having one channel get jammed, or another become unresponsive? Congrats, you’ve stumble...

Laptop with missing internal LVDS screen won't output console to external screen properly

Laptop with missing internal LVDS screen won’t output console to external screen properly You take a laptop motherboard that doesn’t have a screen, then connect it to an external screen. Then, you...

ENOMEM when using urequests on MicroPython

ENOMEM when using urequests on MicroPython If you’re making https requests with the MicroPython requests module, you might encounter ENOMEM errors. For me, they appeared after every 2nd request to...

ASM118x chip notes

ASM1182/ASM1184/ASM1187 chip notes These are cool cheapish PCIe switches, 1 to 2/4/7 links accordingly. They’re used in many places, from mining equipment to desktop motherboards. I describe the...

VL170 chip notes

VL170 chip notes update: this chip is a clone of HD3SS460, so if you need an actual datasheet, you might want to consult that one - there’s way more to this IC, it would seem, including a ton of s...