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Saturday, July 21, 2007

Optocoupler volume control

Audio level control with resistive optocouplers

DIY Audio thread (very looooong).

Use low noise PSU (SLA battery) and add capacitor (good 100uF low-LSR; consider Murata 47uF ceramic) in parallel to LDR LEDs.
I recommend usage of Silonex NSL-32SR2S (sorted, matched).

Matej
Posted by Matej at 12:51 PM

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