Hello! I need some guidance on a project I'm working on. The idea is to measure car's fuel sender unit's resistance without disrupting the original gauge circuit. I understand that the Arduino needs to use analogRead function for that, but I can't seem to figure out how to design the circuit for a…

Help with the Double Fuel Gauge Project

system May 17, 2014, 1:28pm 8

How much fuel in the tank when you measured 3.39V ?

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