Mobile Phone Detector Circuit using Op-Amp Mobile Phone Detector is a Circuit that detects the presence of Mobile Phone up to a certain range like 1.5 meter . It detects the phone when an incoming call or outgoing call is…
Transformerless Power Supply – 220V AC to 9V DC: The Transformerless Power Supply is used to low current applications. Basically a transformerless power supply is just a voltage divider network that takes the 220V AC as input and divides it…
Ohms Law-Voltage, Current, Resistance: What is Voltage? The voltage between two points is equal to the electrical potential difference between those points. It is actually the electromotive force (emf), responsible for the movement of electrons (electric current) through a circuit.…
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