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cmnybo, to linux in Is an unknown supervisor password for ThinkPad bios an issue if I've already installed linux?

The password will be stored in EEPROM in newer laptops. Removing the battery will not clear the password and could make things even worse since you won’t be able to change any settings that get reset.

The best thing would be to return it and find a different one that’s not locked.

cmnybo, to linux in I made it to Linux! What is your must-have FOSS or Free Software for linux?

KiCAD for PCB design.
PulseView for USB logic analyzers.
DSRemote for remote control of Rigol oscilloscopes.
FreeCAD for 3D CAD.
SDR++ and SDRangel for SDR.
Fldigi, wsjtx & QSSTV for ham radio digital modes.

cmnybo, to asklemmy in What makes a smartphone useful to you?

It connects my laptop to the internet when I’m away from home.

A phone can’t replace a computer unless you put Linux on it and connect a monitor and keyboard. Even then, it will perform like a 15 year old computer.

cmnybo, to askelectronics in Adjusting SMPS output voltage

You might be able to increase the voltage 10-20% by changing the feedback, but you will not be able to double it without changing the transformer.

cmnybo, to askelectronics in How to solve power supply whine with continuous dimming LED?

Try adding a large, low ESR capacitor across the power rails on your board. Preferably a polymer electrolytic if you have some.

cmnybo, to askelectronics in Housing for resistor?

You can get small project enclosures to put them in. Some PVC pipe and end caps could also work.
I would probably just use some good quality, adhesive heat shrink if they are out of the way though.

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