FreeTrack Forum

Welcome, you're not connected. ( Log in - Register )

FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > 3 point cap ,leds not lighting up,(I think)

RSS >  3 point cap ,leds not lighting up,(I think)
alonzo #1 26/09/2009 - 17h41

Class : Apprenti
Posts : 3
Registered on : 17/09/2009

Off line

I just builded the setup:

3V batteries
3 leds osram sfh485p
3 resistor (15 ohms each)

but i can't see them lighting up,even with digital camera or phone camera..
alonzo #2 26/09/2009 - 18h43

Class : Apprenti
Posts : 3
Registered on : 17/09/2009

Off line

I resolved,I had to invert polarity.
but in the step-by-step guide provided with freetrack for building a 3 points cap is written that you have to solder positive lead to resistor

 >  Fast reply

Message

FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > 3 point cap ,leds not lighting up,(I think)

 >  Stats

2 user(s) connected during the last 10 minutes (0 member(s) and 2 guest(s)).