How to setup unknown LEDs
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LED Complete Basics for Beginners
15:03
The Textbook 555 Astable Multivibrator and How To Determine Timing
25:05
LED's and resistors for the beginner
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Classic Circuits You Should Know - the bridge doubler
21:41
Tutorial: How to design a transistor circuit that controls low-power devices
6:27
Learn How to Solder Surface Mount Components to Repair Smartphones, Laptops, and Gaming Systems
25:46
Using LEDs as mains indicator lights on 120V and 230V (live demos)
21:44