FREE CIRCUIT DIAGRAMS 4U: Rain detector

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Sunday, November 08, 2009

Rain detector

People have to face to various problems because of not having proper way to know the rain before it comes.So through this circuit you can detect rain comes or not.When a small drop water falls on the sensor Circuit gives a sound.you can use this one for various purposes.As an example you can use this one to detect your over flowing water tank.And I myself have used this one for various things....

Parts

D1 1N4001 Silicon Diode
BZ1 12V Buzzer
R1 1K 1/4 W Resistor
R2 680 Ohm 1/4 W Resistor
S1 SPST Switch
SCR1 C106B1 SCR 106CY
SENSOR See Notes
MISC Board, Wire, Case, PC Board (For Sensor)