All About PC817 Optocoupler

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An Optocoupler also known as Photocoupler or Optical Isolator is a component that transfers electrical signals between two isolated circuits using light. It physically and electrically separates a low-voltage control circuit (like a #microcontroller) from a high-voltage or noisy power circuit (like a motor or AC mains). It is basically a solid-state relay that optically interconnects two electrically isolated circuits.

In this tutorial, I am going to talk about the #PC817 #Optocoupler which is one of the most common and inexpensive 4-pin optocouplers.

Chapters
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00:00 Intro
01:34 Pin Configuration and Functions
02:18 How Optocoupler Works
06:58 Technical Specifications
08:52 PC817 Applications
09:55 Using an Arduino to Drive a 12V Motor
10:30 Why do optocouplers fail?

Thanks
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Video: • All About PC817 Optocoupler
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