28:56

EEVblog #392 - 555 LED PWM Hack

17:35

I built every 555 circuit in the Forrest Mims Engineer's Mini Notebook - Part 1

22:24

The World’s Largest 555 Timer… Again!

16:16

Os 5 principais projetos eletrônicos úteis usam NE555 Timer ic, projetos DIY

49:32

EEVblog #600 - OpAmps Tutorial - What is an Operational Amplifier?

15:53

EEVblog #1020 - Is A $7 LCR / Component Tester Any Good?

37:44

EEVblog #594 - How To Measure Power Supply Ripple & Noise

13:03

Every Home needs this Upgrade! (Night-Time Stairs)