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Objectives
Lessons 2: Printed Circuit Boards
PCB is basically a pieced of If you’re not actively
fiberglass with the “wires” stuck to soldering something, put it
the surface as flat pieces of back in its stand.
copper. It makes it way easier to ALWAYS use the stand for it.
build a circuit that even using Never lay in down
breadboards… As long as you have somewhere else, even for a
the PCB for it (like if you buy a moment.
kit). Making your own PCB’s is an
involved process – it’s a lot of work Do these things and you’ll be
to make one of them, but once you soldering safely for many years.
make one, it’s pretty easy to have For this lesson, you’ll be
10 or 10,000 made. This is why assembling kits that you buy.
they are used in nearly every Electronics kits are really popular,
electronic device you own these and there are probably tens of
days. thousands of different types you
In the videos for these can buy. You can get kits for
experiments, you’ll learn how to everything from bike light flashers
solder. But I just want to mention to home stereo systems to
again how important it is to be computers and robots. If you find
super careful with a soldering iron. you like building kits, it’s a great
I mean think about it. It’s a sharp, way to get into electronics.
pointy tool that’s about 700 I’ve selected these particular kits
degrees F (350 C). It can instantly because they’re especially good
cause severe burns and even catch quality, easy to build and do cool
things on fire. things. It took me quite a while to
Here are some basic safety rules: pick the top kits out there. Many of
the kits I went through before
If you’re done using it, settling on the ones in the
unplug it immediately (don’t experiment section were either too
even leave it for a few difficult to build, had too many
minutes). components, were made from low
quality parts, or were impossible to
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