June 2020
Intermediate to advanced
128 pages
5h 31m
English
Content preview from Make: Volume 73
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PROJECTS: Easy Electronics
102 make.co
HOW DOES IT WORK?
Inside the capacitor you used are two pieces of
metal film known as plates. They are separated
by paste called an electrolyte, which is why this
capacitor is called electrolytic.
When electrons flow into one plate, they try to
create an equal, opposite charge on the other.
You can think of the plates as having positive and
negative charges that attract each other.
TIMING
The 1K resistor was needed because you charged
the capacitor with 4.5V from the battery pack, and
the LED can only handle about 1.8V. The resistor
prevents the LED from being damaged.
The resistor also controls how fast the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.