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The main purpose of an Opto-isolator is "to prevent high voltages or rapidly changing voltages on one side of the circuit from damaging components or distorting transmissions on the other side.

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11y ago
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10y ago

The optocoupler, also known as an opto-isolator and photocoupler, is a device used to send electrical signals between to devices using waves of light. It is typically used to connect an high voltage energy source to a low voltage energy using device. It is highly useful to reduce or eliminate the possibility of a power surge damaging or destroying a device from lightning strikes or power surges.

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Q: What is the purpose of an optocoupler?
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