Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!ucsd!rutgers!att!mcdchg!tellab5!laidbak!obdient!vpnet!cgordon From: cgordon@vpnet.chi.il.us (Gordon Hlavenka) Newsgroups: sci.electronics Subject: Re: How do I get sensor data into a pc? Message-ID: <269ce754-2ba.2sci.electronics-1@vpnet.chi.il.us> Date: 12 Jul 90 21:55:09 GMT References: <8546@uhccux.uhcc.Hawaii.Edu> I would like to be able to us a PC to detect and and store some sensor >data for further analysis. Actually what I currently want to do is to >be able to detect and distinguish between the opening and closing of >several magnetically activated reed switches so that I can measure and >store elapsed time between switch activation to somewhere between .001 >and .01 second accuracy. [...] I think you'll want to look into optical and/or Hall-effect sensors; contact bounce is not going to allow you to obtain this level of precision with reed switches. ---------------------------------------------------------- Gordon S. Hlavenka cgordon@vpnet.chi.il.us Disclaimer: He's lying