Priorities
I patently avoid going to the mall for an hour to buy things that I need, but I don’t blink at spending three looking for a collection of electronic components to build something that I don’t.
I couldn’t find the parts to build a unit to send radio over laser (cheap laser pointer, a solar cell: RS part #276-124, and an 8/1000 ohm audio output transformer) so I spent $20 on the possibility of building an infrared emitter/receiver. I say “possibility” because I really know very little about building electronics and I have a crazy look in my eye.
The unit that I’ll be trying to build can be found at http://www.hardwaresecrets.com/article/86. If it works, I may have enough spare parts for a second unit, if anyone is interested.
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