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Nuts & Volts Magazine (October 2016)

Build the Toilet Sentinel

By Larry Cicchinelli    View In Digital Edition  

Ever have trouble with the flapper in your toilet not seating properly, allowing water to continually run? Well, consider that problem solved with this handy and inexpensive (under $10) circuit called the Toilet Sentinel. It will alert you to this problem with a buzzer.


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What’s in the zip?
DipTrace Design Files
Source Code
Battery Life Calculation Spreadsheet