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FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > Easy build setup with SFH485P
benmeijer | #31 19/11/2009 - 00h46 |
Class : Habitué Off line |
I have my cam (Wiimote) on top of my screen (connected with velcro), not centred, but in line with my clip (on my right ear). The dots in free-track are in the center.
Don't forget to adjust your positions from your head-pivot in the model-tab, it could be negative or positive, depends on where the clip is (left or right) for horizontal position. Just play with it in a game/simulation in windowed mode, so you can adjust these setting and see if your head movement is natural. |
eLeTrO | #32 19/11/2009 - 16h56 |
Class : Apprenti Off line |
Oooopsss... now it´s working. My bad!!
Thank u my friend!!! |
dutch | #33 28/11/2009 - 10h50 |
Class : Apprenti Off line |
Moderators, Make this a sticky!!!! Or ask Ben to make a resume'
Ben, this [you] helped me a lot, in building free-track device. Forgot something: moderators, some photo's/link's from the sticky's do not work maybe it is better to remove these replies so keeping the sticky's clean and up to date
Edited by dutch on 28/11/2009 at 10h55.
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F2kSel | #34 28/11/2009 - 22h51 |
Class : Apprenti Off line |
Don't know if anyone can help.
A long time ago I got some IR LED's SFH485p but never got around to doing anything with them. The problem is now that when I try to find out the values for these I get different results and I don't have a clue where I purchased them. RS give different vales than Furnell.uk so I don't know what resistors to get. I would like to try doing a USB powered version but also get some other resistors for a battery version as I have enough IR LED's. The other thing is trying to identify the resistors on the site as the colours don't seem to match the ones illustrated here. Can anyone put me on the right track please? |
benmeijer | #35 28/11/2009 - 23h20 |
Class : Habitué Off line |
See if this link will help you: http://www.hobby-hour.com/electronics/resistor_color_code.php
Still questions? Post an image of a resistor (on www.tinypic.com ) / copy URL and paste it in this topic and we will help you. About the different values of the SFH485P, use 1.5 Vf (3 Vf is only used in pulsating circuits) and use 50-75 mA for current) (max. is 100). @Dutch: thanks for positive reaction (edit: link to tinypic didn't work
Edited by benmeijer on 26/03/2010 at 10h16.
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F2kSel | #36 29/11/2009 - 12h25 |
Class : Apprenti Off line |
Thanks, I'll see what I can knock up.
Just a wild Idea would it be possible to use 1 IR_LED and then use fiber optic cable to transmit the signal. |
benmeijer | #37 29/11/2009 - 20h28 |
Class : Habitué Off line |
Theoretically this should work if you can split 1 source of light to 3 points (end of fiber cable) of 5 mm. But pratically .....? It's easier to use 3 normal leds and connect them with wire. |
Chunk3ym4n | #38 15/12/2009 - 00h32 |
Class : Apprenti Off line |
Hello this is my first time here and I am interested in using Freetrack for my video games, I can understand the soldering and lighting up the LED lights but how do I construct a 3 point clip? Is there any specific measurements for it because I am not sure how long the measurements for it have to be, is there a guide on making a 3 point clip? Also if I am using the Quick Cam Orbit on this page(http://www.free-track.net/english/hardware/webcam.php#Logitech) would it be fine to just use these infrared LED lights as long as I have three layers of photo film over the camera?
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redkite | #39 15/12/2009 - 13h37 |
Class : Apprenti Off line |
I have little experience with electronics but am confident about building free track thanks to this guide, however I was wondering if the resistors can be taped over.
Just waiting for my battery holder to arrive before I can assemble now. Cheers |
benmeijer | #40 15/12/2009 - 19h58 |
Class : Habitué Off line |
see this topic: Click Last picture (from Ranger) with dimensions in mm.
If you use isolated tape ...... the answer is yes.
Edited by benmeijer on 15/12/2009 at 20h01.
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Chunk3ym4n | #41 17/12/2009 - 07h35 |
Class : Apprenti Off line |
What wire do I need to get for soldering the LEDs to the resistors to the batteries? Does specific wire such as speaker wire matter?
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carterdan | #42 17/12/2009 - 15h45 |
Class : Apprenti Off line |
Can someone tell me if these are the correct parts i need for the first build?
IR EMITTER, 5MM, 880NM http://uk.farnell.com/jsp/search/productdetail.jsp?sku=1212738 BATTERY HOLDER http://uk.farnell.com/jsp/search/productdetail.jsp?sku=1702631 RESISTOR, 0.25W 1% 30R http://uk.farnell.com/jsp/search/productdetail.jsp?sku=9341722 I know thats not the same ressistor as the one used in the first setup but i cant seem to find it on farnell.com. Thanks for the advice. |
benmeijer | #43 18/12/2009 - 21h49 |
Class : Habitué Off line |
Yes you selected the right parts .... but you have to use an external on/off switch, because Farnell has no battery-holder with switches? I ordered my battery with switch here : click - dutch store @Chunk3ym4n: use isolated wire ca. 0.15 mm or use telephoneline-cable / cable from old mouse .... etc.
Edited by benmeijer on 18/12/2009 at 21h50.
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Pulse | #44 22/12/2009 - 05h07 |
Class : Apprenti Off line |
If you live in the USA then the place to go is Radio Shack. They have the high intensity IR LEDs (.2V 100ma I think), resistors (though I could only find 33ohm 1/2watt - they seem to be working fine), wire, battery holder, soldering iron, etc.
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C6_LeBorgne | #45 22/12/2009 - 07h09 |
Class : Beta Tester Off line |
sorry wrong place !
Edited by C6_LeBorgne on 27/12/2009 at 09h25.
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