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* An IR LED, maybe from an old tv remote.
* Two AA Batteries, most LED run on 3v
* Momentary button, go harvest form from that old radio you have or something* Chassi Chassis (something to make it a "pointer", so you can actually point with it.
Kind of optional
* Soldering Iron
* Solder
* Flux!!! (if your you're soldering, this is key to everything!)
Really, you should use these, but you can tape it together, kinda gettoghetto, but will work, atleast at least temporarily.
Now connect the stuff together
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| # <- button, you can put it on eaither either side
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