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Richard on Wiimote Whiteboard
Hi all! Not having any experience with electronics at all, I was looking for an easy way to make an IR pen without going to the expense of buying one just to test this amazing idea out for myself.
What I came up with in the end was this: Many charities give away for FREE LED key ring torches such as these http://www.torchdirect.co.uk/products/led-key-ring-torch-ultra-bright-white-led-pack-of-5.html and I had a couple lying around. I took one apart. There’s no soldering involved, there’s already batteries and a switch inside them, and so all you need to do is swap the existing LED with your IR LED, et voila! cheap and simple IR pen!
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