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0:34
YouTube
Pixel Pathways
PC817 Optocoupler Working | Explained Easy #education #lowpassfilter #pixelpathways
What is an Optocoupler? An optocoupler (or optoisolator) is an electronic component that transfers signals between two isolated circuits using light. It contains an LED and a phototransistor inside. When the LED glows, the phototransistor detects the light and passes the signal — all without direct electrical contact. Why it’s important ...
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