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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#000000" vlink="#000000"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello Stephen.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> The link you supplied to Dwyer was for a Switch, not a sensor. I didn’t make myself clear.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I am looking for a sensor in the range of minus 20 inches WC to plus 20 inches WC that will give me an electrical output in proportion to the pressure being sensed, so I can graph the quantity and use its magnitude to control the system.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Sorry for my poor quality communication,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Pete Stanaitis<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>---------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gasification-bounces@lists.bioenergylists.org [mailto:gasification-bounces@lists.bioenergylists.org] <b>On Behalf Of </b>sabbadess@aol.com<br><b>Sent:</b> Wednesday, April 25, 2012 2:18 PM<br><b>To:</b> gasification@lists.bioenergylists.org<br><b>Subject:</b> Re: [Gasification] Process controllers for gasifier/engine control and datalogging, Are there any Arduino users out there?<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Pete,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Try this:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><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"><span style='color:windowtext'>http://www.sustainablesupply.com/Dwyer-Instruments-ADPS-06-2-N-Pressure-Switch-Dif-p/w228350.htm?gclid=COu_36jb0K8CFcfb4AodKQxUHA&CAWELAID=1307461896&cagpspn=pla</span></a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>At least it will give you a digital threshold. I have had good luck with Dwyer stuff.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Stephen Abbadessa<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>-----Original Message-----<br>From: Pete & Sheri <<a href="mailto:spaco@baldwin-telecom.net"><span style='color:windowtext'>spaco@baldwin-telecom.net</span></a>><br>To: Gasification <<a href="mailto:Gasification@bioenergylists.org"><span style='color:windowtext'>Gasification@bioenergylists.org</span></a>><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?<o:p></o:p></span></p><div id="AOLMsgPart_2_d669e330-3c63-4f31-b324-f9a35a6012d2"><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>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.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> The reason for this post:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> Is anyone else out there using the Arduino as a process controller?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>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.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>If you don’t know what I am talking about, go to:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><a href="http://wiki.gekgasifier.com/w/page/6123727/Gasifier-Control-Unit" target="_blank"><u><span style='color:blue'>http://wiki.gekgasifier.com/w/page/6123727/Gasifier-Control-Unit</span></u></a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>(If I was a little farther along, I’d just buy one)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>and then go to:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><a href="http://www.arduino.cc/" target="_blank"><u><span style='color:blue'>http://www.arduino.cc/</span></u></a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>A whole ‘nother world!!!<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Pete Stanaitis<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>---------------- <o:p></o:p></span></p></div></div></div><div id="AOLMsgPart_3_d669e330-3c63-4f31-b324-f9a35a6012d2"><pre style='background:white'><tt><span style='color:black'>_______________________________________________<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>Gasification mailing list<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>to Send a Message to the list, use the email address<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'><a href="mailto:Gasification@bioenergylists.org"><u><span style='color:blue'>Gasification@bioenergylists.org</span></u></a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>to UNSUBSCRIBE or Change your List Settings use the web page<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'><a href="http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org" target="_blank"><u><span style='color:blue'>http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org</span></u></a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>for more Gasifiers, News and Information see our web site:<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'><a href="http://gasifiers.bioenergylists.org/" target="_blank"><u><span style='color:blue'>http://gasifiers.bioenergylists.org/</span></u></a><o:p></o:p></span></tt></pre></div></div></div></body></html>