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Old 23rd January 2008, 01:47 AM   #1
sss is offline sss  Israel
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Default air pressure sensor needed

something like the ones used in digital tire gauges ,where can i get those? + datasheet
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Old 23rd January 2008, 05:09 AM   #2
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Search for barometric pressure sensors. I think Spark Fun Electronics (Google is your friend) has some. There are also much cruder types, probably closer to the tire application. Try Honeywell also.
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Old 23rd January 2008, 06:11 AM   #3
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Freescale makes them as well. You probably want something like the MPX5700. DigiKey carries them, they're about $15-20 each.
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Old 24th January 2008, 02:57 AM   #4
OzMikeH is offline OzMikeH  Australia
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for up to 3 bar with very good accuracy use an automotive MAP sensor off a turbocharged vehicle, gives a 0-5V signal.
They make so many of them they are quite cheap.

standard 1 bar map sensor is sensitive enough to use as a barometer..... you just made me realise how I can build my own barograph, I've always wanted one.
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Old 25th January 2008, 06:47 AM   #5
sss is offline sss  Israel
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Quote:
Originally posted by OzMikeH
you just made me realise how I can build my own barograph, I've always wanted one.
glad i could help

just ordered one form freescale
thanx everybody!
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