Ultrasonic liquid sensor, controller and buzzer to detect low coolant… | SwedeSpeed
I have a 2011 with 57,000 miles and decided to replace the pressurized overflow tank and add an ultrasonic liquid sensor to the outside of the tank. Warning-These steps may be a bit involved…. The sensor turns “on” in the presence of a liquid (antifreeze) and turns off if no liquid is detected. A controller…
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