video 10$ Night Vision FlashLight Hack
Transform a hand cranked flashlight in a cool Infra Red Night Vision Flashlight , and never run out of batteries, u can all ways hand crank it ! WATCH THE VIDEO for more...
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frontier7 years ago
great instructable, i have a slight question though.
this is how it works? the infrared led's send out infra red light. which the naked eye cant see. however the night vision state on the videocamera can pick up IR, and then use that to generate the image, instead of regular light?

my question is this then, what if you used normal infrared googles? like theese http://www.instructables.com/id/Homemade-Infrared-Goggles!-For-Under-%2410/ <---. shouldent you in theory then, be able to see in a completely dark room, lit only by infrared, since theese googles will allow you to see the ir?
you can try it out just don't look directly in to the leds. i don't think it would work because i don't conciter those true infer red goggles. heck if they would work y would the millatary use big expencive ones when they could use moded welders goggles and leds.
well im confused, are you sure the military ones have lcd screens inside the googles? i dont see why it shouldent work :S maby a reason to use a digital screen is that then no matter how much infrared bombardment there is your eyes wont take any damage as their only exposed to the screen? if anyone can explain please do.
Human eyes cannot detect IR. Using an IR filter gets rid of the visible light and leaves only the IR light that we cannot see (detect). If there is enough IR light, our eyes can still be damaged by the IR light, even though we cannot see it. That is why IR lasers are so dangerous. You don't "see" the light until you are already blinded by it. Think about ultrasonic whistles for dogs. Human ears cannot hear the sound, but dog ears can. It doesn't matter if there is absolute silence and the ultrasonic whistle is the only sound, we still cannot hear it. Same with IR. even if there is no other light (because the IR filter got rid of all the other light) we still cannot see it. The light energy is still there however and can still damage our eyes.
well, damage to your eyes depends on the brightness of the screen. also, if there too much infrared, you can fry the camera sensor.
im asuming thay have lcd screens because they cost thousands but i have never checked i got to play with a pair 4 years ago but naver thought to look at how they worked just put them on my head and flicked a switch
Hi, Sorry for digging up an old post here, but i spose its good for when other people read through this...
it wouldnt work, those goggles filter out most visable light and give an infa red effect and allow some form of IR, BUT  infared is invisible to the naked eye, wether the rest of the spectrum is blocked out or not.  the way the military do it is using a small CCD camera, these can detec IR and will show it up on screen as a light source,  it would be awsome if we could see IR and use things like that though :(
positr_n4 years ago
Can't see the video but I DID THE SAME HACK. You beat me to the post - good job. haha

looks sick on my night vision goggles
bluelantern5 years ago
great vid! +5!!!
 am i the only one thinkin of that episode of "it's always sunny in Philadelphia" ?
XOIIO5 years ago
Do you know how short the range is on that? It's virtually useless unless you get a lot of high power LED's and a large power source.
cris11337 years ago
i can use a disposable camcorder right?
theres no such thing as a disposable camcorder.
yea there is there are some at the CVS store
I've got to admit, I'd never heard of them before I saw KipKay on YT talking about them - so I guess they're more of an American thing than UK..
really, because my mother works at cvs and they have been around since the beginning of 08
Yeah, I wasn't disputing the fact you can probably get them here I've just never seen them :].
yeah i know but i thought that would help you :)
ya there is they sell them at places like cvs. kipkay has a video on it on youtube its called like disposable camcorder hack or something.
yea there is, there like 20 dollars at walmart they look like those flip video cameras they work really good
Hey! before actually trying this, i've tried using a remote and a camera but i have to put the remote at least an inch to the object. so when putting the leds into a torch, whould the output be the same? or would i need to buy a specialized torch?
seattled6 years ago
I wonder how far can you see with this hacked flashlight
You can actually purchase IR laser diodes of varying intensities from various online businesses. Aixiz comes to mind immediately: The site from which the diodes used in the infamous "laser flashlight hack" come. With a proper setup, the collimating lens in the diode housing can be calibrated to a narrow-divergence, allowing the camcorder to register intense IR light from long distances. It would be the same as adjusting a MagLite from flood to spot. The collimating lens is located inside the front of the diode housing, and can be adjusted via screwdriver, as it is mounted inside a screw mechanism. Depending on how far away your target is, you can adjust to your preferences. Wide-divergence would be best for close-range viewing, and narrow for long-distance. Also, for what it's worth, I actually tried my own experiment with a non-modified remote and digital camera today, to see if I could record the reflections of the IR signals on various objects. The light appeared as a bright white with a very slight blue tint. I propose that color variations will occur from brand to brand, wavelength to wavelength, and camera to camera. A word of warning: Do NOT use IR diodes over 10mW. Even a standard 5mW laser pointer is surprisingly dangerous to the human eye. If you stare into the sun itself, you're getting about 3mW of light input, and even that can damage your retina. Once you get into the 100mW range (or anything above Class IIIa laser rating), you can damage your sight just by viewing the scatter from the dot on any object. LASER LIGHT IS EXTREMELY DANGEROUS IF NOT UNDERSTOOD AND USED CORRECTLY! If you wish to know more about lasers, I suggest running a search for "laser" on www.howstuffworks.com. The site will tell you all you need to know. I hope this helps.
cool55tcars6 years ago
the US military uses a series of lenses that capture the litlest light to see outside, thats y you see a green tint because of the lenses, and thay use IR LEDs to see inside buildings where thier isen't light fron the moon
R4Man187 years ago
i have a mod like this, I found out my cell phone can actually see the light from my remotes so after seeing things like these I can use the cell for night vision but its bad quality (vids in 3gp so I need to get a cheap cam for things like this) but is fun to play with.
thats sweet, but to most ppl this isnt helpful cause us normal ppl dont have Night Vision Goggles :-P, cause there hundreds of dollars!
You don't need night vision goggles- most consumer camcorders (you do need one of these, sadly) can see IR so have a feature called something like Night Mode which turns on a weak IR light on the front of the camera- when you see videos taken in complete darkness a la Blair Witch Project (did anyone outside of the UK get that film?) with a greenish-looking illumination, it's probably using that setting. This hack just supplements the camera's IR light with an external crank-powered one.
bustedit PKM7 years ago
yeah, Blair Witch came out in the US, notice the lack of that wacky Brit accent?
PKM bustedit7 years ago
Well you live here long enough, you get used to only hollywood villains ever having British accents, but you do have a good point. I just make a point of asking about any possible non-international things in case I make some passing reference to marmite or something and it goes over heads...
bustedit PKM7 years ago
Why do most British singers (in classic rock anyway) always sound more American than Brit when singing? Someone told me the other day the Beatles were actually from England! Go fig? Marmite? is that like vegamite, or a type of flooring? Or perhaps both? a dessert topping AND a floor wax!
PKM bustedit7 years ago
Someone told me the other day the Beatles were actually from England!
Please, please tell me you are kidding.

Classic rock isn't my thing (I'm too young :P) so I couldn't really tell you why. Marmite is not a dessert topping (eughh.. marmite on dessert) or floor wax, it's a type of yeast extract much like Vegemite. If you use Vegemite as a dessert topping.... I'm very curious.
merseyless7 years ago
lol add this to your copter and you have a night vision spy copter!
ac1D merseyless7 years ago
yeah, the mega powerfull picooz can lift both the spycamera and the infrared light! AAGAGAHAHAHAHAHH
cris11337 years ago
can i use the IR filter in sam noyoun
marcolinux7 years ago
Nice instructable, but IMHO instructables in video are a major no-no because: It is hard on people with slow connection(me at home :-); It is impossible with corporate fast connection (proxy blocks YouTube/ others video servers); It is hard to remake it in case you forgot some step (not that hard, but harder than just inserting a step); You have to watch the entire video just to see the results ( we can seek, but with some guess. In this case, the final result was the very last frames!); But Hey , what do I know? I don't even made my first yet :-) Nice work, very inspiring. MarcoLinux-BR
When you shined the "finished product" back at the camera, the camera recorded white light; it should have picked up the infrared and display the LEDs as outputting red light. Are you sure you actually did this?
I think it is because camera are using an infrared filter or something. Human can't see but camera can see such wave length light
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