Galvanic isolation principle using Optocoupler - between input and output
0:16
YouTubeElectronics Education
Galvanic isolation principle using Optocoupler - between input and output
Directly connecting low-voltage logic to a higher-voltage system risks damage and noise coupling. An optocoupler prevents this by transferring the signal using light. When the input is 0V, the internal LED stays OFF, so the transistor is OFF and the output is pulled HIGH (12V). When the input is 5V, the LED turns ON, activating the transistor ...
3.1K views3 weeks ago
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