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Popsci has a quick how-to on building theremin-esque device for under 20 bucks -
A full-fledged Theremin will set you back nearly $400, but with the instructions below, you can build a pocket-sized Theremin-like instrument that won't break the bank. Unlike the real McCoy which relies on grounded variable capacitance for changing frequency and volume with the wave of a hand, our Pocket Theremin uses variations in light for producing its unearthly vibrato.Interesting choice of enclosure - Build a Pocket Theremin on the Cheap
Related:
HOW TO - Make a Theremin
i wish bre would come back no offense Kip Kay but he inspired me to make things more
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all those ads you have in the video and then at the end were pretty bogus
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@Walenga - We didn't choose that ad format - those pop-ups are put in by Blip.tv. I don't believe they were doing this when that podcast was first posted.
@Samuel - The current incarnation of weekend projects will keep evolving over time - and I hope some of my posts can inspire you too!
Good to see people pay attention to those "Related" items -now how about that pocket theremin? :)
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i just put this together on a breadboard a few days ago - its a fun, quick build. I'm still playing with different resistors and capacitor values, and trying to find a better box to put it in (that metal cage isn't my thing). I may add another 555 controlling a couple leds, to give it a slight 'beat'.
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I recognize that enclosure, I believe I got one from allelectronics (furturelec?) they just looked soo cool, I couldn't resist popping it in the cart. Also, let's stop calling anything with an photoresistor a 'theremin' okay?
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What happened to Bre?
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I can happily spend many hours swapping part values on cimple circuits like these - good times.
@[blank] - Bre's @ Etsy now - you can see his new vids in their blog/news/multimedia section
@vt-pete - agreed. I understand why the 'theremin' name was used in describing devices like the above in the past, but it's time we began referring to these circuits properly.
Perhaps 'Light-Controlled-Oscillator' / 'LCO' would be more appropriate?
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