Cell phone taser

I’m not going to reccomend it, but [cameron] modded his Sony Ericsson k800i to tase people as well as take pictures. Apparently, the k800i has a xenon flash – meaning that it’s got a high voltage potential available to drive the flash. He added a pair of 16uf caps and scored a good 300 volts to share with the unlucky.


  1. Metalwolf says:

    I sorry, I just have to do this. anyone who has read digg the last few weeks will understand the joke.

    “Dont taze me, Bro!”

    (Woot, first post, havent had that in a while :3)

  2. atrain says:

    I must admit this is not anything special.
    Turning disposable cameras into tasers has been going around for months… this is the exact same thing, except with a cell phone…

    Also, whats the point of a taser if you have to go right up to the person and touch them… You’d be pushing the phone on their skin trying to get a good connection, and they’d knock you out before you managed. You need range on a taser…

  3. King Donkus of punchstania says:

    Isn’t this a stun gun not a taser? I thought a taser shot probes and a stun gun didn’t?

  4. Earl Jr. says:

    This reminds me of the taser cell phone in Tomorrow Never Dies. Now all it needs to do is remotely drive the car.

  5. cde says:

    Donkus, you would think a stun GUN would do the shooting.

  6. jb says:

    I wonder if this could get past airport secuity?

  7. Jesse Ahemizm says:

    Go the Jaycar DMM! If this guy is aussie then good on him. We hardly see weapon related hacks over here, besides the odd potato cannon that is.

  8. lou says:

    TASER is a brand name, and does, indeed, refer to the device that fires the electrodes. I agree that the device known as a stun gun shouldn’t be, as it fires no projectile object or beam, but this is the parlance we’re stuck with.

  9. LeatiX says:

    very james bondish :)

  10. entropy says:

    i was thinking the same thing as earl jr. didnt bonds phone have a fingerprint scanner too, or is that another movie?

  11. Napul says:

    Informated Article… Appreciated!

  12. lonas says:

    to be fair, this isn’t a taser or a stun gun.

    this is a ‘OW, what the HELL man?’ machine.

  13. Roleo Hibachi says:

    “Turning disposable cameras into tasers has been going around for months” – months? years. I have a cardboard box full at home.
    And, I agree with [lonas], 330 v does not a taser make.

  14. Louis says:

    Just wait until the teenagers find out about this!

  15. airbeb says:

    They already know. Highschool kids buy one-use cameras and turn them into “tasers” for sale all the time. Some morons would pay $20 for one…

  16. hogiewan says:

    metalwolf – you don’t have to read digg to have heard “Dont taze me, Bro!”

  17. localroger says:

    This is a really bad idea.

    Voltage hurts, but current kills. Stun guns and tasers put out thousands of volts but very few milliamps. That’s why they are considered safe even though they hurt like hell and even temporarily paralyze you. They won’t force enough current to stop your heart.

    These flash conversions don’t put out all that much voltage, but with those capacitors can put out way too much current. You can be electrocuted by way less than 300VDC if it’s applied to the wrong part of your body.

  18. aslex mccown says:

    sorry, but this is the bitch way to make a tazer i get shocked with 400v all the time and can recover is seconds make a small voltage multiplier like a 10 stage to get some arcing

  19. theTick says:

    Heh. This would be perfect for something like…. an airplane.

  20. Farley says:

    This would indeed be a Stun Gun, not a TASER. And TASER is not a brand name, it is the name the creator gave it off of novels he used to read. TASER = Thomas Albert Swift Electric Rifle.

  21. ApprenticeWizard says:


    You are only somewhat correct in your statements. While tasers and stunguns do indeed put out “very few milliamps”, many inexpensive ones do not have current regulation on the output – they are simply dumping stored power from a capacitor in much the same way as the disposable flash camera setup.

    Further, the thought that “those capacitors can put out way too much current” is only partially accurate. A capacitor in a dead short across a perfect conductor can create a high-amp spike for a very limited duration. However, human skin is far from a perfect conductor. Even in the most conductive scenario (damp skin), skin resistance of two electrodes jammed into your flesh is 10k ohms or more – average is 100k-10Meg ohms (you can verify this with a good ohm meter, btw). Ohms law tells us that at 300V, you will experience anywhere from 30mA to 0.3mA, or less. Somewhat painful, but well below the dangerous or deadly range.

    Further, area of application is critical. If you grab a charged capacitor, it will discharge across the skin in your hand. This may result in burns, but will not be life-threatening. To be dangerous, the current must pass through (disrupt or burn) a vital organ.

    Finally, note that disposable-flash shockers have a finite amount of charge. They may be able to produce current, but only for a brief time before exhausted. This means that even If you manage to approach a dangerous level of current output, the capacitor will not be able to sustain it (as a demonstration, just how long will a photoflash capacitor create sparks when shorted? Not long, you’ll find). The danger lay as much in a sustained current as in a particular current level.

    To conclude, your statement is only partially correct. Current is dangerous, but these flash-zappers are not going to kill a healthy teen+, and less dangerous than a plethora of other things you can get your hands on.

    For some information on dangerous current levels, see

    To calculate current through your body, use Ohm’s law:
    Voltage (volts) / Resistance (ohms) = Current (amps)

  22. static says:

    You choose fight over flight only when you have a decided advantage. This will only serve to piss off an attacker. If you are aware of a threat long enough to to activate the device and have time for it to charge, you should have choose flight. Nothing more than false security.

  23. MikeL says:

    It is a bad idea!!!

    A lot of arguing over this topic. Volts, amps, resistance, skin type, duration, etc…, and all over such a really bad idea! If it were actually a practical working stun weapon, and it could be used for self defense effectively, and just look like a regular phone, and you feel you need it, then go for it. A friend of mine said yesterday that he “would rather be tried by twelve men than carried by six.” I can see that reasoning. But this is useless.
    First, it is a poor excuse for a joke, (like pulling a chair out from under someone.)
    Second, it is also not useful for self defense, as it is only powerful enough to piss someone off, and only at very close range.
    Third, you would risk the legal repercussions of carrying a stun weapon. It is unlikely you would get caught by the authorities, (unless you use it and someone presses charges against you,) but if you were apprehended, you would probably be charged with carrying a stun weapon without a license, in spite of the fact that the voltage isn’t adequate for a stun weapon. (As a comparison: if someone is carrying a pistol, even if it is a really terrible home made zip gun, it is still a pistol and they would be charged as such.) If the local laws do not forbid a stun weapon, you could still be charged with carrying a weapon.

    This project is a really bad idea.

  24. lou says:

    These folks seem to think that TASER is, indeed, a brand name. They keep following it with an R in a circle and everything.


  25. alex says:

    dont fall asleep with it in your pocket

  26. riz says:

    it’s really useful for people who live in places where cell phone snatching is common.. u can press a button without catching the robbers attention and stun that son of a bitch while handing the phone over to him

  27. Rod says:

    This is an awesome site! Looks like you’ve got a lot of experience in self defense products and training. I do some work in that area too, so it’s nice to meet another industry friend.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s


Get every new post delivered to your Inbox.

Join 96,687 other followers