Article View: sci.electronics.basics
Article #57Re: Capacitor Sensor/Meter
From: Spehro Pefhany
Date: Thu, 19 Jun 2003 17:43
Date: Thu, 19 Jun 2003 17:43
26 lines
2751 bytes
2751 bytes
On Thu, 19 Jun 2003 17:13:18 GMT, the renowned no_spam@aol.com (Bob Masta) wrote: >On Wed, 18 Jun 2003 14:27:55 GMT, Spehro Pefhany <speff@interlog.com> >wrote: > >>The calipers use a crude (crude probably isn't the best word) fingered >>capacitor arangement, perhaps 0.1" (give or take half an order of >>magnitude) between "plates", and interpolate between to give 0.0005" >>or 0.01mm resolution. There's no rack and pinion to pick up dirt like >>the old dial caliper, they are mechanically just like the vernier >>style. > >Thanks, Spehro. By the way, congratulations on winning >Third Prize for your Chimney Sentinel in the Circuit Cellar / >Microchip Mad Dash for Flash Cash contest! Saw the >writeup in the June Circuit Cellar. Good show! Thanks! Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com
Technical Details
Message-ID:
<skt3fvgads3v54mkpsvsl1jq4q87689vs7@4ax.com>Path:
arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed-east.nntpserver.com!nntpserver.com!chi1.webusenet.com!news.webusenet.com!newsfeed.mountaincable.net!cyclone01.bloor.is.net.cable.rogers.com!news02.bloor.is.net.cable.rogers.com.POSTED!not-for-mailReferences:
<bcpcqc$lie1q$1@ID-168056.news.dfncis.de> <3ef057df.1666060@news.itd.umich.edu> <mlt0fv4mhu3ajuuveld9aqs97n4c8a2e5h@4ax.com> <3ef1ee6b.1607792@news.itd.umich.edu>Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 112d1e,c351c34f78e51f4c X-Google-Attributes: gid112d1e,public X-Google-Thread: 103407,1268c95264c97a85 X-Google-Attributes: gid103407,public X-Google-Thread: 107cee,1268c95264c97a85 X-Google-Attributes: gid107cee,public X-Google-Thread: 1118be,1268c95264c97a85 X-Google-Attributes: gid1118be,public X-Google-Thread: 111d0a,c351c34f78e51f4c X-Google-Attributes: gid111d0a,public X-Google-ArrivalTime: 2003-06-19 10:43:02 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed-east.nntpserver.com!nntpserver.com!chi1.webusenet.com!news.webusenet.com!newsfeed.mountaincable.net!cyclone01.bloor.is.net.cable.rogers.com!news02.bloor.is.net.cable.rogers.com.POSTED!not-for-mail From: Spehro Pefhany <speff@interlog.com> Newsgroups: sci.electronics.basics,aus.electronics,sci.electronics.components,sci.electronics.design,sci.electronics.misc Subject: Re: Capacitor Sensor/Meter Organization: Rather Message-ID: <skt3fvgads3v54mkpsvsl1jq4q87689vs7@4ax.com> References: <bcpcqc$lie1q$1@ID-168056.news.dfncis.de> <3ef057df.1666060@news.itd.umich.edu> <mlt0fv4mhu3ajuuveld9aqs97n4c8a2e5h@4ax.com> <3ef1ee6b.1607792@news.itd.umich.edu> X-Newsreader: Forte Agent 1.93/32.576 English (American) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 26 Date: Thu, 19 Jun 2003 17:43:01 GMT NNTP-Posting-Host: 24.112.151.88 X-Complaints-To: abuse@rogers.com X-Trace: news02.bloor.is.net.cable.rogers.com 1056044581 24.112.151.88 (Thu, 19 Jun 2003 13:43:01 EDT) NNTP-Posting-Date: Thu, 19 Jun 2003 13:43:01 EDT