[request] USB light - Printable Version
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[request] USB light by Turner on 07-01-2006 at 10:19 PM
Hey,
I have a USB LED light. I am wondering is there a script so this light blinks off and on when I receive a message on Windows Live Messenger?
Thanks very much 
,
Turner
RE: [request] USB light by Cantunis on 07-01-2006 at 10:49 PM
just make the USB cable start/stop sending power ....
should be easy too bad i dont know JavaScript 
RE: [request] USB light by Chancer on 07-01-2006 at 11:14 PM
quote:
Originally posted by Cantunis
just make the USB cable start/stop sending power ....
should be easy too bad i dont know JavaScript
it may burn the led, wont it??
RE: [request] USB light by Voldemort on 07-01-2006 at 11:29 PM
No, how can it burn if it does not have electricity?
And when it is on, nothing will happen either because thats what it is designed for....
RE: [request] USB light by Chancer on 07-01-2006 at 11:33 PM
how the LED works if it's not with electricity??
RE: [request] USB light by Voldemort on 07-01-2006 at 11:42 PM
He wants it to flash, you know, turn on and off, on and off, not a higher voltage.
RE: [request] USB light by RaceProUK on 07-01-2006 at 11:56 PM
quote:Not if there's a 300Ohm resistor in series with it.
Originally posted by Chancer
it may burn the led, wont it??
RE: [request] USB light by Chancer on 07-02-2006 at 12:02 AM
quote:
Originally posted by Voldemort
He wants it to flash, you know, turn on and off, on and off, not a higher voltage.
hmmm.........I'm not english/american/other country which speaks english...
I think I used the wrong expression...not burn 'with fire'...but if you turn it on/off/on/off so many times wont it stop working?
RE: [request] USB light by kotjze on 07-02-2006 at 12:03 AM
quote:
Originally posted by Chancer
quote:
Originally posted by Voldemort
He wants it to flash, you know, turn on and off, on and off, not a higher voltage.
hmmm.........I'm not english/american/other country which speaks english...
I think I used the wrong expression...not burn 'with fire'...but if you turn it on/off/on/off so many times wont it stop working?
I don't know if that actually happens with LED lights.
RE: [request] USB light by RaceProUK on 07-02-2006 at 12:10 AM
A typical LED has a lifetime of about 100,000 hours, and isn't affected by switching.
And even if you overload it, it just wears quicker. I've seen an LED killed in less than 10 seconds, by whacking a huge current across it. It just glowed bright, and faded after a while.
RE: [request] USB light by Voldemort on 07-02-2006 at 12:17 AM
quote:
Originally posted by Chancer
hmmm.........I'm not english/american/other country which speaks english...
heh, do not let that stopping from posting, english is not my language either....
RE: [request] USB light by Cantunis on 07-02-2006 at 12:20 AM
me neither but join the freak world and talk in english like a leet ;D
RE: [request] USB light by Turner on 07-02-2006 at 06:35 AM
Thanks for some help, Anybody got a script yet?
Turner
RE: [request] USB light by ramik on 07-02-2006 at 07:36 AM
the usb led light doesn't set/get information on the usb bus, it only take the necessary power to turn on.... so there is no direct way to control it...
the only way is to make a circuit to make a serial/parallel port as a switch for the usb port though a usb switch build for that reason.... but in that way you could make the circuit and script that some other user made with the same your idea: flasher script (http://shoutbox.menthix.net/showthread.php?tid=61488)
RE: [request] USB light by benjyrama on 07-02-2006 at 09:04 AM
wouldnt you have to set the actually usb socket that you use? otherwise it could cause havock with your other periphirals or however u spell it
RE: [request] USB light by RaceProUK on 07-02-2006 at 02:04 PM
Or how about setting up a little circuit using the Data+ rail to turn the LED on via a transistor?