Agricultural Automatic Water Feeder (8)

Published:2011/5/22 20:05:00 Author:Sue | Keyword: Agricultural, Automatic, Water Feeder | From:SeekIC

When S is on, IC's 2 pin and 6 pin have low level and 3 pin outputs high level. V2 is connected and K is connected. VL2 is illuminated. When C2 finishes charging, IC's 2 pin becomes high level, but its 6 pin is still low level. 3 pin is high level and YV is still working. When the water tank is full, IC's 6 pin is low level and 3 pin has low level. V2 is disconnected and K is released. YV stops working and VL3 is illuminated. At the same time, V1 is connected and VL1 is illuminated, indicating that the water tank is full.



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