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Hey
I have a small project for my BMW e30 ( M50 engine ) and for my friend BMW e36 (M50 engine ) i want to install aftermarket gauges like for ( water temperature / oil pressure / etc ) but i have a couple of questions
1- Can i buy a sensor alone and then buy the gauge and connect them together ?
2- I want to make OLED gauge with Arduino but I don’t know what the sensor i need like do i need a special sensor that can communicate with the Arduino or any sensor car work ?
3- Can i use OEM sensor and connect it with aftermarket gauges like for ( RPM / KPH ) ?
4- How can i take the signal from the sensor do i need to take the signal from ECU or from the sensor itself ?
5- If the Arduino project can be done where can I learn to make it ?
6- How can i wire them together ? I saw some videos to how to make the light with switch light and how power the gauges
7- How sensors and gauges communicate with each other’s?
