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ananda.sagar@rediffmail.c Posted - Oct 30 2011 : 05:24:29 AM
Sir,
I want to make an automatic rain sensing wiper as my project. I have used rain detector circuit for switching on the wipers when it rains. But i couldn't able to switch off the wipers when the rain stops. So could you please help me by providing some changes in the circuit for my requirements..
Thank You...
2   L A T E S T    R E P L I E S    (Newest First)
ananda.sagar@rediffmail.c Posted - Jan 03 2012 : 12:01:51 PM
In this circuit, i have to connect a relay switch instead of the buzzer. How could i connect the relay system to it. Please reply..
Aaron Cake Posted - Nov 05 2011 : 10:11:53 AM
The rain detector uses an SCR. It will latch once activated and won't turn off until power is interrupted to the circuit. Make a similar circuit with a Darlington transistor.

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