Fan Repair
Pedestal fan repair by replacing the entire AC motor assembly.
7 Transistor ESR Meter
I have completed my build of Jay_Diddy_B’s 7 Transistor ESR Meter.
Toy Macro Lens Repair
Battery leaked, corroded contacts and switch. I cleaned and repaired it.
Repair of the electronics inside a toy macro lens.
Add a Switch to WD2002SJ
The pads were there, so why not add a switch to WD2002SJ board?
WD2002SJ Buck-Boost Converter Repair
Repair of a WD2002SJ board (LTC3780-based buck-boost converter).
Designing and Building A Dumb Charger for 9V NiMH Batteries
Designing and building a dumb charger with battery reverse polarity protection.
GP ReCyko 20R8H (9V NiMH Battery)
Expensive battery just begs to be tested.
LM317 to Regulate Wall Wart
A LM317 circuit with 6V DC output as intermediary between an unregulated wall wart and my speakers.
Failed Repair: MikroTik RouterBOARD 750GL
Failed repair of a salvaged MikroTik RouterBOARD 750GL.
Logitech R-5 Speakers Repair
I repaired a pair of salvaged speakers.