Agricultural Automatic Water Feeder (6)

Published:2011/5/22 19:57:00 Author:Sue | Keyword: Agricultural, Automatic, Water Feeder | From:SeekIC

When there is little water, there is no current in the circuit. K is released and KM is connected. M begins to feedwater. When the level reaches L, there is dc voltage in the circuit, and it will generate 12V voltage. V is disconnected and 3 pin has low level. M is still working. When the level reaches H, V is connected and 3 pin outputs high level. K is connected and KM is disconnected. M stops working. When the level is lower than L, the circuit is disconnected again. K is released and M begins to feed water again.



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