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Webcam LED

Name: Anonymous 2012-06-13 15:17

Would anyone here know of the programmatic way to disable a webcam's LED?  I smell Hex Editing, but that's okay.

Name: Anonymous 2012-06-13 15:49

DISABLE MY ANUS BY HEX EDITING

Name: Anonymous 2012-06-13 16:37

maybe i will

Name: Anonymous 2012-06-13 16:39

>>1
Might not be possible. But if it is, get ready to patch some firmware!

Name: Anonymous 2012-06-13 20:47

Unplug the webcam (or take the battery out, if it has one).  That guarantees the LED won't light up.

Name: Anonymous 2012-06-13 20:49

>>5
idiot!

Name: Anonymous 2012-06-13 21:09

Buy the webcam datasheets

Name: Anonymous 2012-06-13 21:10

stop trying to spy on your sister

Name: Anonymous 2012-06-13 21:43

Is the semester over already?

Name: Anonymous 2012-06-13 22:00

>>9
I'm a year-long shitposter, fear my anus.

Name: Anonymous 2012-06-13 22:21

>>8
no

Name: Cudder !MhMRSATORI!FBeUS42x4uM+kgp 2012-06-14 6:26

Probably not possible without hardware modification or at least removing it first. The LED is driven off a GPIO on the MCU in it, and the firmware of that is likely not updateable over the regular interface.

Name: Anonymous 2012-06-14 8:37

>>12
This. Just desolder the LED (or violate it anally with your soldering iron)

Name: Anonymous 2012-06-14 10:29

VIOLATE MY ANUS

Name: Anonymous 2012-06-14 19:36

dont you faggots realize he wants to do this remotely with his trojan?

Name: Anonymous 2012-06-14 19:37

>>15
Yes, and he isn't going to be able to do it, moron.

Name: Anonymous 2012-06-16 20:44

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Name: Anonymous 2012-06-16 21:16

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Name: Anonymous 2012-06-16 21:40

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Name: Anonymous 2012-06-16 22:11

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Name: Anonymous 2012-06-16 22:49

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Name: Anonymous 2012-06-16 23:12

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Name: Anonymous 2012-06-16 23:32

If you switch it on for a fraction of a second to take the image, then switch it off immediately, the LED won't have time to light up. Perhaps.

Name: Anonymous 2012-06-16 23:36

>>23

that's
impossible the led feeds of the voltage being sent to power up the camera.

Name: Anonymous 2012-06-16 23:38

>>24
Sorry, I meant to say that it won't have time to perceptively light up, i.e. the user won't notice the flicker.

Name: Anonymous 2012-06-16 23:52

>>25
hmm,
120 fps, thats t < 1/120; tl = t - eyeDistance/photonSpeed - timeForPhotonToDiscarge;

tl,
that's only if the led doesn't use a capacitor(fixed time to discharge) ,a (fixed second_)clk, where the voltage sent to the camera acts like a switch and not as the actual voltage.

close
enough?

Name: Anonymous 2012-06-16 23:59

>>26
Makes sense. I would test this notion, if I had a webcam.

Name: Anonymous 2012-06-17 2:13

Fantastic, I'll definitely test this

Name: Cudder !MhMRSATORI!FBeUS42x4uM+kgp 2012-06-17 2:20

>>23
If you try to force it to take a picture that fast you won't get any recognisable image (if it even lets you do so.) The sensors they use require a short calibration time when turned on to adjust things like white balance and exposure.

Name: Anonymous 2012-06-17 4:18

>>29
Exposure is important to get the data in the first place, but white balance is just a colour adjustment.

Name: Anonymous 2012-06-17 4:53

EXPOSE MY ANUS

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