Light Filter

Original effects with schematics, layouts and instructions, freely contributed by members or found in publications. Cannot be used for commercial purposes without the consent of the owners of the copyright.
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Nocentelli
Tube Twister
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Post by Nocentelli »



Simple LPF-ish filter circuit using one opamp, based on the filter from Ray Wilson's Weird Sound Generator

...but with the frequency sweep controlled by a proximity-detecting external LDR, manipulated by foot or hand (nicked from deadastronaut's "Lightwah" circuit):
lightfilter_schem_nocentelli.png
lightfilter_schem_nocentelli.png (7.51 KiB) Viewed 1196 times
Vero, not yet verified:
lightfilter_vero_nocentelli.gif
lightfilter_vero_nocentelli.gif (42.65 KiB) Viewed 1196 times
Note that the vero does not include a resonance control (I think I will always use it just below max, hence the 680 ohm resistor in place of a pot).
modman wrote: ↑ Let's hope it's not a hit, because soldering up the same pedal everyday, is a sad life. It's that same ole devilish double bind again...
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phatt
Transistor Tuner
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Post by phatt »

:applause: Mate that is clever thinking. I love it :thumbsup
Phil.
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