Control Water Pump from Home with Mobile Phone || innovative ideas

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Inconvenience in switching on a water pump installed in a remote farm is a common problem faced by farmers. Many circuits have been developed to solve this problem. Most of them are expensive and microcontroller based. Here we present a cellphone based water pump remote controller that can be operated by a phone call. By calling the cellphone attached to the controller, the water pump can be directly activated. Here I have used some common electronics like relay , npn transistor, 12v battery, wires, 3.7v battery , featured phone .
The project can be prepared just within 500rupees.

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Welcome to my channel Innovative Ideas where you can learn about electronic,science project, and new invention. The main thing is that one can make it at circuit. This channel is very informative as well innovative
Comment if u need circuit diagram.