Solar "radar" light control module - with schematic (and fix!)
22:03
PK-A22F high voltage module teardown with schematic
29:03
Fixing a faulty USB power supply.
14:41
Temu solar street light with generous solar panel & LiFePO4 cell
33:13
How to make an authentic Joule Thief.
27:00
Oaf engages in more coil play. Building up to rope core memory
51:22
The PicoMEM is an amazing software defined ISA card
15:55
Dead car plasma unit (fixed) with schematic
22:59