If you want to add OBD Gas Gauge instrument to your old car, you can try to build your self CAN-BUS OBD Gas Gauge based on Arduino like winneymj did. Before build this project, make sure that your car supports CAN-BUS protocol. Not all cars do, especially older cars, before 1998, but more and more new cars do.
The OBDuino32K is designed to hook safely to your vehicles OBD2 port. A port available on cars manufactured after 1996. This instrument will provide real time data of your car's condition and its fuel efficiency. This would include Temperatures, Engine Load, Manifold Pressure and others.
Download this guide to learn and understanding everything you need to know about the Raspberry Pi computer, system specs, the software it runs and the amazing project based on this little PC.
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