Keep Your DC Motor Spinning in One Direction | 4 Diode Polarity Protection Trick!

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Want to keep your DC motor spinning in the same direction no matter how you connect the power supply? This simple 4-diode circuit is the perfect solution! 💡

In this video, I’ll show you how to use a bridge rectifier configuration to protect your DC motor from reverse polarity — ensuring the motor always rotates in one direction, even if the input polarity is accidentally reversed.

🔧 What You’ll Learn:

How to build a polarity protection circuit for DC motors

How a 4-diode bridge works

Why this is useful in real-world electronics projects


✅ No transistors, no relays – just 4 diodes!
Perfect for DIY electronics, robotics, and motor protection systems.

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📽️ Watch till the end to see how the circuit works in real life!

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