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LED flasher ⚡ Circuit Using Optocoupler ll #optocoupler 3.7v battery 💥#circuit #electronicsproject
In this YouTube Short, I built a super simple yet magical LED flasher circuit using the PC817 optocoupler — and guess what? No transistor used! 🤯 Just a few components and your LED will blink beautifully using only a 3.7V battery. This circuit is ideal for beginners, hobbyists, or anyone who loves experimenting with minimal components. You ...
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