#7techprojects #electronics #dcmotor #hwbattery #9vbattery #scienceproject #wirelesspowertransfer #waterlevelindicator wireless water controlled dc motor fan project using hw battery. simple circuit electronics project only need few electronics components components need hw 9v battery dc motor / mini motor fan resistor 2.7k / 470 ohms ir led photo diode bc 547 transistor water mini water tank wire soldering iron sodering paste soldering ledd This is a project where the DC Motor works automatically when the water tank is filled. using infrarred signal. This is a very popular little project for kids. You can use as a water level project helping for simple school scince exhibition project. Thanks!
