The second video in my series Practical Electronics & Circuits 101. This one is an intro to signals which is a fundamental aspect of circuits. I’ll be covering resistors and capacitors in my next video and will also be showing how to properly use a multimeter. In the following one I’ll be talking about voltage regulators, transistors, and relays, and at that point we’ll be ready to apply this knowledge to actual projects where we can control lights, motors, and other components from a microcontroller or a single board computer such as the Raspberry Pi.

Playlist:    • Practical Electronics & Circuits 101  

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Chapters:
00:00 Intro
01:21 Review of basics covered in the previous video
02:54 Voltage, reference, and ground
05:16 Everything is frequencies and vibrations
07:10 Frequencies in circuits and signals
09:29 Analog vs Digital signals
13:31 Outro