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How to make a 4000 watt Universal motor speed controller at home. This video contains full circuit diagram and step by step procedure for you to better understand & actually make it. It's a transistor based circuit involving the voltage divider technique for smooth output voltage control and for this very reason it can not only be used for Universal Motors but also your DC Motors, light dimmers and charging your batteries. You can easily set the output voltage according to the requirement of your battery and then charge it safely. Full demonstration of all that has been provided in the video. Remember that the more the number of transistors in parallel, more will be the power rating of the circuit. . Maximum current handling capability of this circuit is 36 amperes since I've used th
