240V solar lead acid LED head torch. (With schematic.)
24:00
Test of the Yihua 502D USB bench power supply. (With fix!)
10:53
eBay 98kW LED flashlight (slightly exaggerated) with schematic
25:55
Fixing a dead LED street light lamp. (SOX retrofit.)
12:59
Cheapest meteor lights on AliExpress - with schematics
29:03
Fixing a faulty USB power supply.
24:30
Building an eBay power filter kit (with schematic).
17:19
eBay's cheapest pile of crap USB rechargeable LED head torch.
19:31