Repair a SONY DSC-P93 that has stuttering OVF zoom and an error message
Although not regular flooded type, AGM batteries can also be restored by adding water if it's not too far gone.
adduser xrdp ssl-cert
A simple shell script to recursively extract nested zip files, extracts each zip file to its own folder and retaining directory structure.
I built a NAS with a cursed motherboard and TrueNAS Scale
I restored a Sharp GF-777, replacing all belts and friction wheels, and the pinch roller
A very high gain (80db or x10000) differential AC signal amplifier
Repairing a pair of classic Alesis monitor speakers 维修一对经典的Alesis监听音箱
A Roland XP-80 synthesizer repair writeup
A 3x AA battery powered phantom power supply design