Introduction to relays, contactors, solenoids and reed switches.
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Chapters.
0:00 Intro
0:25 The problem with regular switches
3:23 Electromagnets
6:25 How Relays and Contactors work
12:35 How Solenoids work
18:27 Permanent magnets
19:54 Reed Switches

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Notes:

Dust Collector Video
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Some of the items used in this video.

Affiliate link. if you purchase this from amazon I will get a small commission from it.
Magnet wire
https://amzn.to/2CGt0d2

24v DC Relays
https://amzn.to/2Wvtzxl

Solid state 24 volt relays din rail mount qty 8. This is what I used in the end.
https://amzn.to/3eIRrDY

24 volt Solenoid valves
https://amzn.to/3eIRrDY

Blast Gate
https://amzn.to/30ii7Gs

Tubing -Air Lines
https://amzn.to/2OEElNu

Technical corrections

Nothing yet