How to make 12volt air cooler power supply||14v 20amp double circuit power supply

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In this video, I will show you how to make a 12V DC power supply for an air cooler step by step using easily available electronic components. This DIY power supply is suitable for 12V DC fans, water pumps, and small air coolers.
You will learn:
How to convert 220V AC to 12V DC
Transformer, bridge rectifier, and capacitor connection
Current and power calculation
Safety tips while working with AC voltage
Testing the 12V power supply with a cooler
This method is ideal for home use, electronics students, and beginners who want to learn practical electronics projects.
⚠️ Warning: Always take safety precautions when working with AC mains voltage.
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