I have 2 Over head tank in my house and each will be controlled by a 230V solenoid valve. There are 2 float switches in each of the tank. The float switches are being connected to arduino using pullup with 36ft 1sq.mm wire along with all the household appliances line concealed. Whenever the tank wat…

Long wires and float switch problem

sandymantvs May 3, 2018, 10:50am 3

I had used a plain 1 sq.mm wire, and i have used a internal pullup resistor.

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