Audio level control with resistive optocouplers.
Audio-Optical Isolation Amp | audioXpress
![Noob question] Can you use an optocoupler to act as a button for input/output? - General Electronics - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/e/8/e/e8e474f54a80f0aef4552b8e43cd11acd881498b.png "Noob question] Can you use an optocoupler to act as a button for input/output? - General Electronics - Arduino Forum")
Noob question] Can you use an optocoupler to act as a button for input/output? - General Electronics - Arduino Forum
arduino - Digital Optical Volume Control with LED and photoresistor (light to seperate circuits, optical pot) - Electrical Engineering Stack Exchange
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Project 145
Audio Optocouplers
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Project 145
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PC817 2 Way 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6 30V Driver Photoelectric Isolated Module|Integrated Circuits| - AliExpress
Audio level control with resistive optocouplers.
Audio-Optical Isolation Amp | audioXpress
Audio-Optical Isolation Amp | audioXpress
Audio level control with resistive optocouplers.
Crossfader circuit - skratchtek
Optocoupler for audio signal isolation?
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