diy mpg gauge

[skewbe]

Originally Posted by sonyhome

Most people have laptops nowadays, and all have serial ports.

If there's an explanation of what to monitor on the ODB-2, then a simple program can be made, which then will be ported etc.

Yah, it isn't that simple. there are many OBDII protocols, only iso (asian cars)can be handled by the laptops serial uart chip with only the scantiest of circuitry, and less and less laptops have such a serial port available. The other protocols take $100 adapters (and you might as well get a scangauge/supermid at that point).

I'm looking for cheap and simple, that can be adapted to any electronic fi car (regardless of obd status) using surplus parts/etc.