Schottky diode between charger and lithium cell?
13:59
Near unity power factor LED driver - with odd schematic
16:55
Inside a "30A" remote control - with schematic
15:56
Solar "radar" light control module - with schematic (and fix!)
22:03
PK-A22F high voltage module teardown with schematic
3:24
Schottky diode rectifier circuit.
13:02
Fixing a Temu light - with schematic
17:48
Inside a tiny ASD Diamond British street light
9:07