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FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > It doesn't work !

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lokanratum	#1 07/04/2014 - 17h17 Top
Class : Apprenti Posts : 7 Registered on : 05/04/2014 Off line	Hi everyone, I tried to build my device with the document "3dotscpEN.pdf". I got almost the same device but it doesn't work. Can anyone help me, please ? Here are the details : - 3 leds SFH485P - 3 resistors (22 ohm) - 1 wire clothes hanger - 2 AA batteries (1,5 V each) - 1 batterie holder with Switch And some pictures : https://picasaweb.google.com/lh/photo/-uLwskgwAq8n3S1f8RtbQNMTjNZETYmyPJy0liipFm0?feat=directlink https://picasaweb.google.com/lh/photo/T5l2nZKp9_XbP-reRh1KaNMTjNZETYmyPJy0liipFm0?feat=directlink[/url] https://picasaweb.google.com/lh/photo/4qF1edZmzFyk81N7JOWtBtMTjNZETYmyPJy0liipFm0?feat=directlink https://picasaweb.google.com/lh/photo/yJjK0pk-LeiQyJUDW5RjvdMTjNZETYmyPJy0liipFm0?feat=directlink Lokan Edited by lokanratum on 07/04/2014 at 17h22.
Steph	#2 07/04/2014 - 18h20 Top
Class : Moderator Posts : 656 Registered on : 16/11/2007 Off line	Hi, did you check the polarity of every LED? Did you check the LEDs with your mobile, webcam, camera... you can't see ir-light with your eyes. http://forum.free-track.net/index.php?showtopic=1856&message=19931
Jaeger55	#3 08/04/2014 - 00h20 Top
Class : Apprenti Posts : 21 Registered on : 10/09/2010 Off line	What are you using to complete the neg side of the circuit? The wire coathanger?
benmeijer	#4 08/04/2014 - 17h41 Top
Class : Habitué Posts : 208 Registered on : 19/07/2008 Off line	lokanratum @ 07/04/2014 - 17h17 a dit: Hi everyone, I tried to build my device with the document "3dotscpEN.pdf". Where did you find that document? All you need you can find here: http://www.free-track.net/forum/index.php?showtopic=1856 The polarity off the led SFH485P is a bit tricky. Check: the flat side must be negative or ground. When you check the leds with your mobile or camera (as Steph already wrote) be sure to darken your room!
lokanratum	#5 09/04/2014 - 10h23 Top
Class : Apprenti Posts : 7 Registered on : 05/04/2014 Off line	Hi everyone, what a dumb guy I am ! I've not checked the leds with my smartphone. It's done and it works !!! Thank you very much for your help. Now I'm trying to put the right settings. It's really difficult. Besides, Free-track has many bugs. Lokan
deggial2005	#6 18/06/2014 - 12h41 Top
Class : Apprenti Posts : 7 Registered on : 16/06/2014 Off line	I can confirm FreeTrack is working flawlessly as long as you have the right hardware setup. The only issues I have is webcam not saving its own settings properly.

FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > It doesn't work !

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