Re: TI-H: pressure sensor
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Re: TI-H: pressure sensor
sounds cool to me anyone want to help me out, i can build it but i cant
write a driver.
and i would realy like to build it :)
>Use an I2C A/D converter!
>
>
>> ____
>> / \ pin 1 is VCC 5 volts
>> | o | pin 2 is ground
>> \____/ pin 3 is Vout (betwean 0-5 volts)
>> /||||\ pins 4-6 are not used
>> | |||| |
>> 1 2345 6 _____
> | ||_____| I2C |____________SCL
> |_|______| A/D |____/\/\
> | |______| |________|___SD I'm not sure about the
> | | |_____| Interface side of the I2C chip
> + -
>
>I'm not exactly sure if this is right, but I'm sure it will work in
it's
>most basic form. There may be things like a reference voltage or
>something like that. If anyone knows anything about an I2C A/D
>converter, fix this schematic.
>
>Richard Piotter
>richfiles1@hotmail.com
>
>>
>>I was wondering if we could make a pressure sensor for the 85(or any
>>other calc for that matter.
>>
>>I have a motorola mpx4100a presure sensor.
>>it looks like this.
>>
>> ____
>> / \ pin 1 is VCC 5 volts
>> | o | pin 2 is ground
>> \____/ pin 3 is Vout (betwean 0-5 volts)
>> /||||\ pins 4-6 are not used
>> | |||| |
>> 1 2345 6
>>
>>is it possible to have a assembly program sense the voltage comeing
>>into the link port? i dont know assembly so i would need some one to
>>write the driver..but the pressure is related to Vout by an equation
>>which you can find at along with the data sheet here:
>>http://mot2.indirect.com/cgi-bin/get?/books/dl200/pdf/mpx4100rev*.pdf
>>
>>if anyone thinks this is a possible project or would like to help.
>>please let me know.
>>the hardware is easy i just need someone to help with drivers.
>>
>>
>>
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>
>
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