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smallCircuit.JPG
Freeforming a circuit that’s this highly populated gives me hives (and tests my patience), but if you have a good magnifying light, a steady hand, and take your time, you can work a lot of discrete components into a very small space. Just don’t expect to do much troubleshooting/changing when you’re done.

Fitting a circuit into a small space – [via] Link

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.


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Comments

  1. p914 says:

    That is pretty scary. Imagine if he used surface mount components!

  2. morcheeba says:

    Yeah, that’s a really good job… especially considering that the 3 transistors aren’t really visible in the above photo. I think leaded parts are easier than surface mount because they come with their own wire. Here’s one I did with 5 surface-mount and 2 leaded parts. (note: I wasn’t going for size; I was just testing out the actual parts I wanted to use before building a pc board)

  3. Archvillain says:

    Heh, I freeform with SMD. Does that make me king? :-)

    Can’t find any better pics, but here is a two-motor solar-powered robot not much bigger than a jellybean, that I freeformed. Each motor is independently controlled, so it can reverse, or turn on the spot as it seeks more sunlight. The wires out the front are connections for touch sensors that I never finished, due to short attention span kicking in, as the robot moves pretty slowly and apart from its size, isn’t all that interesting.
    http://www.flickr.com/photos/archvillain/2053702735/

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