[plug] VW parts was: Hack, triplej and open source

[Michael Hunt]

On Thu, 2004-07-01 at 16:09 +0800, Bernd Felsche wrote in reply to
Michael Hunt's earlier post:

> > To bring this post back on topic I'm trying to figure out a way I
> > can log (preferably to my Linux laptop) my engines oil temperature
> > (say 30 sec intervals) over a long journey (say an 1 and half
> > hours). VW motors are supposed to run optimally at an oil temp of
> > about 125 C, but I think mine is running hotter. (At the moment
> 
> NTC sensor, stuck to the end of the dip-stick or the sump-plug.
> Connect up to a small micro-controller like an Atmel ATTiny2313 (or
> smaller if you want to bit-bang UART) and shout serial at whatever's
> listening. The µC can handle the calibration, linearisation and
> conversion of sensor resistance to temperature.

Sounds good. Do you know what a rough cost / local source might be ???

Michael Hunt