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  2. How to use a DPDT Relay to reverse Polarity on motor or coil

    How to use a DPDT Relay to reverse Polarity on motor or coil

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  3. Basic Concept Flyback Loop trigger Winding Explanation with Opto Coupler Live Stream Edit

    Basic Concept Flyback Loop trigger Winding Explanation with Opto Coupler Live Stream Edit

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