Instructables
Picture of Laser cutter hidden in a flip top lighter
engraved01.jpg
There may be times when a fuse needs to be lit or something cut at a distance, a laser is a good way to do it but it needs to be disguised as something more everyday....like a flip top petrol lighter..... it would be more covert without the engraving but as I am not spying at the moment I don't think it will matter too much :)

A word of warning!  Lasers are not toys and need to be used with care, lasers should always be used with safety goggles designed for the wavelength being used.  Always be aware of others around you when using a laser, eyes are not replaceable!

The laser diode used here was the best available when 007 was a boy, much more powerful ones are available now so do your own research to find what you need.....  This setup will light stuff easily enough but is weak by modern standards.
 
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Step 1: General arrangement

Picture of General arrangement

This build, though not complex is very fiddly to do as there is not much room to fit everything in, but if you want to have a go here is the information you will need.
This is the General arrangement that I worked from.

 

 List of parts:

Flip-top lighter of your choice (I used a Star lighter from ebay).

Blu-ray laser diode (PHR 803T)

Aixiz module (front end and lens only, Outside diameter turned down to 10mm).

Small block of aluminium (heatsink/optics holder).

Driver (I used the low range Rkcstr driver, google is your friend).

Push button (I took one from a broken DX green laser)

Batteries (GP 10A [9v 38ma/hr]).

Vero board.

Small pieces of scrap brass sheet, for contacts and springs.

Small piece of plastic for mounting driver and insulating battery contacts.

Various colour insulated single strand copper wire.

Step 2: Heatsink laser diode mount

Picture of Heatsink laser diode mount
fit diode01.jpg

The width of the lighter dictates the size of this assembly the drawing shows basic dimensions The hole is tapped m3 dia.

Once the parts are made the laser diode needs to be pressed into the module.:

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kurlie2 years ago
If anyone is going to make this, can they please video themselves doing it, so we can have a video tutorial, and if they can post where they bought/salvaged the stuff they used that would be awesome
tesla man2 years ago
See I was right when said to enter it into the spy contest. You won a prize!!!
tesla man2 years ago
I think I know the answer to this question, but i will ask anyway. Does it need to be a blu ray player diode?
your best bet would be a diode from a rewritable drive(CD or DVD should work. Good luck getting a diode from a blue-ray writer :P). From what I understand, these are the high power ones, making them best for this kind of thing.
epskoh2 years ago
How much would it cost to make one of these?
Cyclone17642 years ago
You shoud have used a zippo, you can get them cheap on the internet
tesla man2 years ago
Great instructable!!! If you haven't already, you should enter it in the spy contest.
No video?
rog8811 (author)  BIOhazard_inc2 years ago
Link works for me, here it is again.....
https://vimeo.com/4131838
Not working oh well
rog8811 (author)  BIOhazard_inc2 years ago
Try from here
https://vimeo.com/user1579831/videos
sweet!
whaaaaa2 years ago
THIS IS AMAAZIIIING!!!! I made an account just to comment on it! I looked at your link for the drivers and the guys website said that he can't sell them individually anymore, only in bulk. Can you suggest anywhere else I can get the driver?
rog8811 (author)  whaaaaa2 years ago
Get onto the lazerpointerforum site, look in the for sale section, there are usually some drivers for sale there. Good luck!
Trebor__242 years ago
dose the lid stay closed? and if u have them the links to the shops where u bought stuff would be awesome
rog8811 (author)  Trebor__242 years ago
Yes the lid does stay closed as it is quite a tight fit over the laser heatsink, the sprung clip still works to hold it open.

Here is a link to the page on my website that has the info, some links may be dead but hopefully enough work to make it useful.
http://www.rog8811.com/laserlighter.htm
whaaaaa rog88112 years ago
This is AMAAAAAZZZIIIIING!!! I made an account just to comment on it! I looked at the website you listed that sells drivers and the guy said he only sells in bulk now :(. I am very new to this so can you suggest anywhere else I can go to get the driver? I want to build this so bad!
thanks man, i cant wait to build this
This is very cool, but this thing is incredibly dangerous, especially if a child gets hold of it. Be very careful where you leave it, and be very careful to to get the beam or a reflection of the beam in anybody's eyes (please).
you realize you just said to be careful to actually do that. "be very careful to get the beam or a reflection of the beam in anybody's eyes (please)" are you encouraging to burn/melt people's eyes or what?
He's just sayi'n be careful when you go around blinding people with it, that's all. :)
he also said the word 'to' twice in that same sentence XD. but I am always careful when I decide to go on a blinding rage :D.
and yes, I knew that, I was just questioning his methods of advice
I've been wanting to do one of these for years. I want to build it in to an NES zapper, but I'm too paranoid from everyone talking about rebounding radiation. I can defiantly use it and not get it in my eye, my worries are radiating myself in a test-half built, or some situation I'm not thinking about.

If I ever do complete it, I've developed a subtle safety mechanism based on one I saw on a taser. It's very easy, effective, and there's a nice spot right on the Zapper to accommodate it. It will be published here, if I do finish it. Consider following my feed if interested.

(I also need a reputable site to order parts. There are so many conflicting opinions about what would be the best wavelength...)
I built a blu-ray laser into a original NES zapper about 2 years ago, it was awesome! But the driver circuit that came with the diode wasn't very good and it died :( I built a battery compartment into the grip and II even managed to use the original trigger with that classic *CLANG* sound it made. No safety devices however...

Its in a box in pieces and I kinda forgot all about it, but I now plan to rebuild it in the near future and I will post it on here for everyone to see.
rog8811 (author)  mr monoply332 years ago
The place you need to go to find parts is http://laserpointerforums.com/
you will find a lot of people selling parts, be assured if they have been selling for a while they are reliable, scammers do not last long.
As to colour, it is your choice, when I built this I put the best LD going at the time which was the blu ray. Read,ask questions, they are a friendly bunch willing to help those who will help themselves.

Good luck with the build.


SOOOOOOOOOOOO COOL




how much deed it cost you to make it?

rog8811 (author)  lookwhatjoeysmaking2 years ago
Probale cost around $30.. this does not take into account the labour involved.
zkus2 years ago
Do you have a quick list of the tools required. I haven't had a chance to read through it (at work currently), but I would assuem from teh "small block of aluminum" bit that there would be some milling or something involved (which means i would be s.o.l.)?
rog8811 (author)  zkus2 years ago
You could get away with a pistol drill and hand tools as long as you are good with your hands.

Instead of turning the aixiz module down in diameter, file flats on opposite sides to fit the windbreak in the lighter. file the bottom flat and......
Replace aluminium block with brass and solder the two together
Use self tapping screws to hold it in place rather than tapping the fixing holes.

Hand files, hack saw, soldering tools and a vice, that is about it.
I am about it. this will come in very useful...(evil laugh)...
pharseid2 years ago
Yeah, this subject came up on a forum at Parallax, one of the regulars told us he suffered permanent retinal damage from a reflection when he was playing around with a laser diode. If you're not going to have it completely enclosed, you need to get a set of laser goggles specifically for the wavelength you're using. And everybody else in the area has to have goggles too.
rcplanegy2 years ago
This is AMAZING! i need one of these but im so technologically illiterate. id like to buy one from you, please email me rcplanegy@gmail.com
merkaba332 years ago
I've seen a few of these done before, always wanted to try it out. Just one question though, what's battery life on one of these? Being a cigarette/cigar smoker, am I going to be having to replace the batteries constantly?
I would definitely not recommend using a laser to ignite a cigarette. If not blocked the ray continues for a few hundred meters, staying highly harmful. One moment of disattraction and you made someone blind or burned his skin.
Maybe if you add a "shield" (so you ignite your cigarette between laser diode and shield) it could be safe.
rog8811 (author)  merkaba332 years ago
The batteries in mine still would light a match now and they have been in for ages, the sums say about half an hour continuous use...this was never meant to be an efficient means of lighting tobacco products, it was an exercise to see if I could do it. That is what drives me :)

TBH the driver/laser/battery combination can be greatly improved as the laser diodes available now are more powerful and there are more efficient drivers.
Thanks for the info. Half hour of continuous use is still a lot better than what I'm currently getting from butane. And if there's more efficient drivers available that can do the same -- even better.
jplastow2 years ago
How much did all of the parts cost? And is it possible to turn the lighter the other direction so you dont risk reflecting it off the lid?
faron_smith2 years ago
would you ever consider selling one, id be very happy to buy one?
maxhuey2 years ago
Just hope someone do not use this tool the wrong way, specially the ar-kai-da
jwhyman2 years ago
One more reason not to smoke, the next lighter you try to light a cigarette with may burn a hole in your face.
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