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The fun thing about this project is that it works even though it doesn’t have a power supply. That’s because the LED sucks energy from the ambient light to charge the capacitors!
It took me three goes to make this work. The first go was with 100 nF ceramic caps on veroboard, and that didn’t work. The next go was with 470 µF electrolytic caps on breadboard, and that didn’t work. Finally I had a go with 1 µF polypropylene film caps and that worked!
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Silly Job Title: Component Wrangler. I am the Component Wrangler!
In this video we continue to work our way through Learning the Art of Electronics. We have nearly finished the 1N DC Circuits chapter. Today we learned a new rule of thumb: when circuit A drives circuit B the output impedance of circuit A should be equal to or less than 10% of the input impedance of circuit B.
There is no prac this week, only theory. Next week we will complete this chapter and then we’re ready to proceed into our first lab chapter.
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Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
Thanks very much for watching! And please remember to hit like and subscribe! :)
Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
