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<div>Pete,</div>
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<div>Try this:</div>
<div> </div>
<div><A href="http://www.sustainablesupply.com/Dwyer-Instruments-ADPS-06-2-N-Pressure-Switch-Dif-p/w228350.htm?gclid=COu_36jb0K8CFcfb4AodKQxUHA&CAWELAID=1307461896&cagpspn=pla">http://www.sustainablesupply.com/Dwyer-Instruments-ADPS-06-2-N-Pressure-Switch-Dif-p/w228350.htm?gclid=COu_36jb0K8CFcfb4AodKQxUHA&CAWELAID=1307461896&cagpspn=pla</A></div>
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<div>At least it will give you a digital threshold. I have had good luck with Dwyer stuff.</div>
<div> </div>
<div>Stephen Abbadessa</div>
<div style="FONT-FAMILY: arial,helvetica; COLOR: black; FONT-SIZE: 10pt">-----Original Message-----<br>
From: Pete & Sheri <spaco@baldwin-telecom.net><br>
To: Gasification <Gasification@bioenergylists.org><br>
Sent: Wed, Apr 25, 2012 2:46 pm<br>
Subject: [Gasification] Process controllers for gasifier/engine control and datalogging, Are there any Arduino users out there?<br>
<br>
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<div class=MsoNormal>I have been interested in Jim Mason (and company)’s approach to process control and datalogging using an Arduino based microcontroller since he first announced its existence. I have done a little googling about Arduino in general, and now I am sorta fascinated with it. I already have a fair amount of electronic hobby stuff around here, so I bought an Arduino ATMega2560 last week ($60) and am starting to get familiar with it.</div>
<div class=MsoNormal> The reason for this post:</div>
<div class=MsoNormal> Is anyone else out there using the Arduino as a process controller?</div>
<div class=MsoNormal>And, has anyone found inexpensive low pressure sensors? I can’t seem to find any in the +/- 20 inches WC range that are cheaper than about $40 in a 1 to 3 quantity.</div>
<div class=MsoNormal> </div>
<div class=MsoNormal>If you don’t know what I am talking about, go to:</div>
<div class=MsoNormal> </div>
<div class=MsoNormal><A href="http://wiki.gekgasifier.com/w/page/6123727/Gasifier-Control-Unit" target=_blank>http://wiki.gekgasifier.com/w/page/6123727/Gasifier-Control-Unit</A></div>
<div class=MsoNormal>(If I was a little farther along, I’d just buy one)</div>
<div class=MsoNormal> </div>
<div class=MsoNormal>and then go to:</div>
<div class=MsoNormal> </div>
<div class=MsoNormal><A href="http://www.arduino.cc/" target=_blank>http://www.arduino.cc/</A></div>
<div class=MsoNormal> </div>
<div class=MsoNormal>A whole ‘nother world!!!</div>
<div class=MsoNormal> </div>
<div class=MsoNormal>Pete Stanaitis</div>
<div class=MsoNormal>---------------- </div>
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