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Old 10-16-2017, 03:17 PM   #1 (permalink)
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To measure the fueld gauge from my Arduino [Idea]

I was just thinking to use the Arduino UNO for measuring the fuel levels of my tank. Since I just started learning Electronics and driving too. Have no idea how to start with. Someone who already did it or can point for some hints?

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Old 10-16-2017, 08:01 PM   #2 (permalink)
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UTComp already has that feature (reading fuel level directly off resistance).

You can also get it off OBD2 on some cars.

The fuel level signal is just a resistance. You could measure it with nothing more than a dash mounted DMM. You're still stuck with the limitations of the fuel float accuracy, positioning etc.
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Old 10-17-2017, 03:56 PM   #3 (permalink)
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I would suggest checking out autospeed.com. I don't recall anything specific about fuel level stuff, but the guy there does plenty of electrical modifications to cars, which can help to understand car electronics in general.

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