Jan 19, 2005 #1 A adick Junior Member level 1 Joined Dec 1, 2004 Messages 19 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 168 motion detector I'm planning to build a motion detector using pyroelectric sensor. any suggestion?
Jan 23, 2005 #2 J jshroff Advanced Member level 4 Joined Apr 30, 2004 Messages 115 Helped 14 Reputation 28 Reaction score 0 Trophy points 1,296 Activity points 935 Re: motion detector Check out this circuit at https://circuitos.tripod.cl/schem/r17.gif Also attached is a PDF for another circuit
Re: motion detector Check out this circuit at https://circuitos.tripod.cl/schem/r17.gif Also attached is a PDF for another circuit
Jan 23, 2005 #3 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Re: motion detector More economical would be to use of-the-shelf security infrared sensor (with Fresnel lens) ...
Re: motion detector More economical would be to use of-the-shelf security infrared sensor (with Fresnel lens) ...
Feb 10, 2005 #4 S silent trigger Junior Member level 3 Joined Oct 26, 2004 Messages 30 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Location Turkey Activity points 234 Re: motion detector Good information ! Where is selling the Fresnel lens ?
Mar 25, 2005 #5 A angie-filt Junior Member level 1 Joined Feb 4, 2005 Messages 18 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,283 Activity points 157 Re: motion detector Hi Fresnel lens are usually selled with infrared security sensors because they are parts of them. Angelo.
Re: motion detector Hi Fresnel lens are usually selled with infrared security sensors because they are parts of them. Angelo.
Mar 25, 2005 #6 J jojokatada Full Member level 5 Joined Jan 13, 2005 Messages 255 Helped 19 Reputation 38 Reaction score 4 Trophy points 1,298 Activity points 2,122 Re: motion detector silent trigger said: Good information ! Where is selling the Fresnel lens ? Click to expand... check at digikey website or mouser
Re: motion detector silent trigger said: Good information ! Where is selling the Fresnel lens ? Click to expand... check at digikey website or mouser
May 19, 2006 #7 fuat_09 Junior Member level 1 Joined May 18, 2006 Messages 18 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Location TURKEY Activity points 1,387 Re: motion detector good schema.easy made
Jun 1, 2006 #8 N nikhilele Advanced Member level 3 Joined Jan 11, 2006 Messages 805 Helped 101 Reputation 202 Reaction score 76 Trophy points 1,308 Location Bangalore India Activity points 6,376 motion detector one of the nice chip is kc778b which is good for this task