150 PSI Air Pressure Sensor

This is on its way to me:

http://www.dakotadigital.com/cartimages/prd_sm_124.jpg
http://www.dakotadigital.com/index.c...rod/prd124.htm

and I should have it by the end of this week. I will update accordingly.

love at first site greenman.. o golly

O.K. I'll bite. How are you going to hook that to your FBrain? Looks like it only has 2 wires and don't FB sensor inputs have 3? I only ask cause I need the same thing for my air horns.

well, I got it today.

You hook it up through a resistor network. We will provide the adapter cable, and you order the sensors directly from dakota digital.

greenman, ur unreal. im excited! im excited im excited

Quote:

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Originally Posted by greenman100

well, I got it today.

You hook it up through a resistor network. W[HL]e will provide the adapter cable[/HL], and you order the sensors directly from dakota digital.

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How much?

cheap, probably $7-10. I'll tally up what the components cost.

where are we at with this ???
I want to place the order for the brain, 4 temps and a pressure switch ASAP.
:dance:
I figure if i gotta pay postage may as well be on the lot, rather than do it twice.

Quote:

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Originally Posted by ginigma

So is there some simple circuit (amybe just a couple resistors or something) that we could build ourselves? Until you get the "professional" ones done?

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Below are the specs on the 150psi pressure sensor:

Code:

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150psi, 1/8-27 NPT

PSI                R typical        R max                R min
0                10                13                5
14.5                31                35                27
29                52                56                48
43.5                70                74                66
58                88                92                84
72.5                106                111                101
87                124                129                119
101.5                140                150                130
116                155                170                145
130.5                170                185                155
145                184                214                154

Maximum 435 psi for 2 seconds only.
Operating Temperature:  -13F - +212F (to +248F max. 1 hour) on
connecting thread.

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so, you just need a 180 ohm resistor. Wire it like this:

+5v
|
sensor
|
analog input
|
resistor
|
Ground