17:05

Nice (but inefficient) LED lamp plus experimental mods

29:29

Etching silicon wafers to make colorful Rugate optical filters (porous silicon)

1:23:24

I Over-Engineered this Machine, cause Manufacturers Didn't

14:17

Inside a cheap burner WiFi router/repeater

19:40

UVC 2023 - the fake and the real (with schematics)

29:57

Idle Hands & A Tormek!

50:38

Fun with Plasma Tubes!

37:26

Power For Your Electronics Projects - Voltage Regulators and Converters