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Hi Everybody. Would you mind to help? I need a circuit diagram which controls a solenoid valve for an automatic control of open/close of valve depending on the level of the water in the tank. We always check the level of the tank and sometimes we forgot to open the valve and left the tank waterless or we forgot to close the valve when it is full. Any suggestions? Thanks in advance.
Hi,
I found a 8051 based water level indicator on this website. It has a LCD display which details with water levels (empty, partially full and full). Posting its circuit here. Find the rest part and coding in the 8051 section.
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