IR or Visible Light Beacon

by jasonwelsh, published

IR or Visible Light Beacon by jasonwelsh Jan 1, 2013

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2002Views 185Downloads Found in Electronics
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Ever need a IR beacon? Maybe something that can be mounted so that a robot can follow it?

Or maybe a TV-Be-gone type of device that you don't need to aim, or hold it in your hand?

Or heck mount some LEDS in it and let the 360 seizures begin.

Anyway how you choose to use this tool is up to you ;)


What does it do?



I added a little diagram to help you solder this.

You must be a slight nerd ninja to solder this but it can be done. Also I even separated every other IR to be a different signal so I can alternate between signals.

For that just solder every other positive together and run up a lead in the center then every other other one together and run a lead to the center. You should have 2 positives and one negative.

This creates a shrapnel beacon!

The bottom gets glued on.

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For better beacon performance I suggest you file or sand the tops of the LEDs flat. The curved surface acts as a lens, focussing the light in one direction. With a flat top the light is less directional and more diffuse, easier to spot if you're not lined up with one of the beams.