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Transformerless AC Voltmeter Circuit Using Arduino

1uF 50V electrolytic capacitor image

In this article we learn how to make a transformerless AC voltmeter using Arduino. Making an analog voltmeter is not an easy task as to build one you must have good knowledge of physical quantities like torque, speed; which can be very difficult when it comes to their practical applications. By Ankit Negi But a … Read moreTransformerless AC Voltmeter Circuit Using Arduino

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