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Sarah had some opinions.

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Sam Jacoby
Sam Jacoby committed Aug 30, 2012
1 parent 3fa58fc commit 47654b2540f74149fe0603a5fb62884ba39528bb
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---
title: Gerber File Extensions
summary: For I understand them not.
summary: Making sense--mostly--of the alphabet soup of circuit board layout files.
date: 2012-08-24 22:42:58
---
Lest anyone be misled, **this is a post about making circuit boards.** Thrilling stuff.
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title: PaperClip
summary: The software side of TapClip--whatever that may be.
summary: Touch-sensitive circuit board + sound-sample recording software.
date: 2012-08-29 11:37:24
thumbnail: paperclip-processing.jpg
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---
title: Infra-Red LED Throwies
summary: Three parts, cost a buck, remote-controlled. As good as TV.
summary: Use an ordinary remote control to blink LED throwies on and off.
date: 2012-08-16 10:54:13
---
I've been toying with coming up with quick, easy, scalable projects for large groups to do together. It had to be something fast--like, minute-fast--and cool. I've always loved the little [LED Throwies](http://www.instructables.com/id/LED-Throwies/) from the fine people over at [Graffiti Research Lab](http://graffitiresearchlab.com/)--and wanted to do a version for a High-Low Tech workshop at the Boston [ICA](icaboston.org).
I've been toying with with ideas for a quick, easy, scalable project for a large group of teenagers to do together for the Boston [ICA's](http://icaboston.org) Teen Night.
Here's the updated version that allows for the little guys to be controlled by a regular old remote control. It's a little startling how simple the whole operation is.
I've always really liked the little [LED Throwies](http://www.instructables.com/id/LED-Throwies/) from the fine people over at [Graffiti Research Lab](http://graffitiresearchlab.com/), *so* here's an updated version that allows for the little guys to be controlled by a regular old remote control. It's a little startling how simple the whole operation is.
## Materials
What we need: not much. Well, getting your hands on the IR receivers will be the tricky part:
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This is just what like lives inside of millions of watches, all over this fine land. And what keeps the time in your computer accurate, and a bunch of other things. You can get them--for a small fortune--at a drugstore. Someone told me that Ikea was now selling them at close to wholesale prices.
- A Regular LED. [[DigiKey](http://www.digikey.com/product-detail/en/C503B-BCS-CV0Z0461/C503B-BCS-CV0Z0461-ND/1922944)]
- A Regular LED. [[SparkFun](https://www.sparkfun.com/products/533)][[DigiKey](http://www.digikey.com/product-detail/en/C503B-BCS-CV0Z0461/C503B-BCS-CV0Z0461-ND/1922944)]
Pretty much anything like this will do. Available at RadioShack, Sparkfun, or wherever fine, finger-friendly electronics are sold.
- 38KHz Infrared Receiver [[Digikey](http://www.digikey.com/scripts/dksearch/dksus.dll?vendor=0&keywords=751-1390-5-ND)]
- 38KHz Infrared Receiver [[SparkFun](https://www.sparkfun.com/products/10266)][[Digikey](http://www.digikey.com/scripts/dksearch/dksus.dll?vendor=0&keywords=751-1390-5-ND)]
There are a number of these out there--the frequency, 38KHz, is an industry-standard--so anything like that should work fine. These are the same little fellows that live inside of your TV, or radio, or anything, really, that's remote-controlled. Look for one's with three-legs.
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