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Old 01-22-2005, 03:51 PM   #1
dmurray14
Maximum Bitrate
 
Join Date: Oct 2003
Vehicle: BMW 325is
Posts: 664
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Real temperature solution - what do you think?

The one thing that I find all of the car software lacking these days is a temp readout. Most all factory media systems have the temperature displayed somewhere on the screen. I was thinking this would be cool to have in Centrafuse, too - perhaps have the temperature right next to the time up in the right top corner?

Anyway, here is what I think might work. Some of you may have heard of Dallas Semiconductor's iButton (http://www.maxim-ic.com/products/ibutton/). These are small little 1-Wire devices that can be daisy chained throughout one single bus line (data and ground). I have played around with these briefly, and they are cool little devices. Anyway, they have a serial adapter and a "Thermochron" (http://www.maxim-ic.com/products/ibu...hermochron.cfm) - an iButton with a temperature sensor built in. Using these, we could string one cat5 throughout the car, and have temperature sensors wherever we want - so in addition to the external air temp sensor in the corner of the screen, you could have a page with other temperatures as well (cabin, trunk, engine, intake, whatever you want). I think this would be a really neat thing to have, and would be the next step in making a more complete OEM-like control. What does everyone think about the idea? I'm sure it would be fairly easy for you smart people to program in - Dallas' site is filled with examples and code to get going - I just wouldn't know how to do that stuff. So let's hear it...

Dan
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