home *** CD-ROM | disk | FTP | other *** search
/ NetNews Usenet Archive 1992 #23 / NN_1992_23.iso / spool / sci / electron / 16820 < prev    next >
Encoding:
Internet Message Format  |  1992-10-09  |  806 b 
  1. Path: sparky!uunet!europa.asd.contel.com!darwin.sura.net!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!cleveland.Freenet.Edu!an938
  2. From: an938@cleveland.Freenet.Edu (George II Lenzer)
  3. Newsgroups: sci.electronics
  4. Subject: How do those motion detectors work?
  5. Date: 9 Oct 1992 04:04:37 GMT
  6. Organization: Case Western Reserve University, Cleveland, Ohio (USA)
  7. Lines: 12
  8. Message-ID: <1b30clINN7u1@usenet.INS.CWRU.Edu>
  9. NNTP-Posting-Host: slc4.ins.cwru.edu
  10.  
  11.  
  12.     I would like to know how those motion sensing yard lights
  13. work.  Are they based on IR sensing?  Does anyone have a schematic?
  14. I would like to build one for use indoors.
  15.  
  16.                         Thnx,
  17.                         George II Lenzer
  18. -- 
  19. "I'll let you in on a little secret.
  20.     The whole universe is totally INSANE!!!!"
  21.                         Mr. Natural
  22.  
  23.