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SEMA 2009 - Rear View Screen, SD Memory Storage

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by , 11-11-2009 at 10:11 AM (1114 Views)

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Rob Wray from mp3Car looks at a rear view screen that replaces your current rear view mirror. This screen comes complete with 2 camera, audio input, SD slot for recording, and 2 more inputs to add a total of 4 cameras on this devices. The SDHC slot can record up to 64 hours of audio/video.

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Updated 12-15-2009 at 11:09 AM by optikalefx

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Quote Originally Posted by malcom2073 View Post
What is the advantage over a stock fuel level sensor?
The theory here is you could hook it up to your car computer to monitor fuel levels on your display or monitor them remotely if you can't get them over the CAN/MOST bus for some reason.

If you have an odd shaped tank like Malcolm i would think you could probably calibrate the sensor to match the size and shape and give you an accurate gallons rating.

I agree this would need some mild modifications to be readable on a PC but I wouldn't think it would be more than a day of work for an experienced EE (electrical engineer) or software guru.
Different fuels....... its really nothing groundbreaking just something no one has come up with yet - variable capacitance is at least 10 years old commonly used with temperature sensing or other similar environmental sensors. I was pretty sure it was already used in a few modern cars but I could be off about that.

EDIT:
Its not as simple as connecting directly to your fusion brain unless it has built in conversion circuitry. Most likely you will need to setup a resistor bridge to measure capacitance.
What is the advantage over a stock fuel level sensor?