Wednesday, December 19, 2012

More Theremins....

This is probably one of the last posts of this year.A year that I will end with finishing a new theremin.My latest theremin is one that also has a Joule Thief in it.Three green LEDs light up the Theremin from within(interestingly enough the JT also makes a high pitching noise when turned on.)
The Theremin is made using the front panel of a deceased oscilloscope.Very convenient are the holes which are already in there.Especially since I made the Theremin with a variable resistor for pitch control and another variable resistor for volume control(I'm using a 9 Volt battery with a large loud speaker).
Following this project will be one where I'll use two other front panels to make two theremins.

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