UVC 2023 - the fake and the real (with schematics)
36:40
Eternal LED light. From 12W to 6W for $ 1.5. DIY repair
15:05
This lamp can hurt you in two ways
15:45
More fake UVC "sterilizing" lamps from China! (with schematic)
15:26
fixing a faulty light with powerful built in fan (awesome chip inside)
26:01
Very advanced Indo street light
14:22
Updating a 70,000 hour LED lamp
17:46
UVC Light or Ozone as a Disinfectant?
18:17