This time it works, softly, thanks to circuit advice from Dr Bleep.
instrument-a-day 27: candle tremolo, again
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This time it works, softly, thanks to circuit advice from Dr Bleep.
I put a photoresistor into a guitar cable and made a little candle spinner to try to modulate the guitar sound. Somehow it only modulates the background hum.
Inspired by the Candela Vibrophase.
I plugged a little light sensor into an amplifier to hear invisible light modulation. One of my LED candles had a surprise.