Agricultural Automatic Water Feeder (7)

Published:2011/5/22 20:00:00 Author:Sue | Keyword: Agricultural Automatic Water Feeder | From:SeekIC

When the power is on and the level is lower than L, A’s level is highest and V1 V2 are connected. K is connected and K2 K1 are connected. M begins to feed water. When the level is higher than H, A’s voltage is reduced to 0.2-0.3V.V1 and V 2 are disconnected. K is released and M stops working. When the level is lower than L, V1 and V2 are connected again and M begins to feed water again.



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