Last week we caught wind of a piece from the Today Show that shows very technically minded thieves stealing cars with a small device. You can easily light a neon lamp using an electrical field, otherwise neon lamps would not work.
The energy flowing through the coil induces a voltage somewhere in the coin acceptor’s circuitry. I’ll repeat here my theory (comment 230 on the original story) that they are not breaking in.
I believe that when the owner takes the keys into the house they are still near enough to the car to make the alarm think the person trying the door handle is the keyholder and thus it opens for them.
The reason why they don’t drive off with the car is because it will go out of range of the keyfob and stop,this is why they only go for the contents of the glovebox.
The title is misleading, the criminals in the original piece never drove off with a stolen vehicle and I don’t remember anyone saying you could steal a car with their theory only that it may open the door. If a current could be induced in the coil of a simple solenoid actuated lock, that could cause it to retract. Perhaps someone has discovered a specific RF signal spread that can scramble some car alarms into NOT going off. Some friends of mine did this with a Renault (Megane I think), they managed to get the driver (a friend too) out of his running car, and drove the car a few blocks away. The solenoid, or whatever is used in cars would need to have a driver board, which has constant power running to it. These type of devices have shown to send output that will travel through copper wires, traveling to circuit boards, and affecting the boards in a number of different ways, HOWEVER I SERIOUSLY DOUBT THIS CAN BE USED to activate a solenoid or its “driver” board whatever that may be. I would place an inductor in series with the collector an the positive, this could prevent battery depletion. Think jeweller’s screwdriver versus sledgehammer, both work but the former does less collateral damage. The main problem with these devices is poor EMI control, i have had this problem with some homemade circuits where they pick up unexpected signals and trigger when they are not supposed to.


In the old days of coin-op arcade games, some people used piezo gas barbeque-lighters against the coin door to generate high voltage spikes that would make noise on the coin inputs to the board and gain credits. Even if I had money to waste, I am not sure I would want to give the seller money just to open the thing up to see how rediculous the inside looks. Years ago I was told of a scheme where you could put a dental mirror up the payout slot and it would confuse the slot machine.
He emailed us under a condition of anonymity, but he says it’s highly unlikely a mini EMP device would be able to activate the solenoid on a car door. I did that in the mid 70s putting a 6 watts neon tube pulled from a portable lamp near my CB rtx antenna. Car alarms are designed to go off when the lock is opened with the alarm armed, and the lock wasn’t opened using a key or the remote fob. If the driver board had a mosfet to act as a switch, and someone was able to find a spot of entry that wasnt surrounded by ground… MAYBE, and thats a HUGE MAYBE this would work. You’re not trying to activate a solenoid directly, just fudging a switch-press for a low-current signal. Looking at the schematic, says that you would actually shortcircuit the battery with the transistor. The coins would break an optical sensor registering the payout and if the sensor was blocked in a certain way it would payout the entire contents!  They no longer use that sort of system.
Yes, me too; so much so, that I sometimes fantasy about firing an RPG into their apartment and permanently ending their midnight crescendo.
Meaning some sort of barrier between the door handle and the actual door, or the lock and the door. And even if it were powerful enough it would probably stick to the door before it ever got to the coil. One of the other feedback call it:EMP GENERATOR MULTIFEQUENCY JAMMER SLOT MACHINE NEW MODEL 2014 (#181398751837)You get caught with that at a casino in the US and who know what could happen!
Of course, I’m the sensible and sane sort who’d never resort to violence, so instead, I’d rather set off an electro-magnetic pulse right outside their window.The electro-magnetic pulse generator, or EMP generator, is a device capable of generating a transient electromagnetic disturbance that radiates outward from its epicenter, disrupting electronic devices (or frying, depending on its capacity).


I've thought about using two CR123A batteries in series to get a little more kick and make a hand-held cattle prod for self-defense. With extreme good luck, voltages leak all over the place, and some of the current ends up activating a transistor somewhere that would normally be triggered by a coin input. I doubt it works anymore since these have been around for so long, might get lucky and find some old machine somewhere tho.
Also — neither I, nor Electronic Products, encourage you to use the EMP for the destruction of property. Perfectly legal when using your own machines, it's not illegal to own your own slot machine. Once open, locate the large electrolytic capacitor — the black cylindrical looking component with two leads — and the PCB to which it’s attached. Don't get caught, one might reasonably assume modern machines are immune to this and might even trigger alarm so cheaters are caught before they do anything.
Nothing special, they are using the high internal resistance of 9V batteries to limit the current. Next, we press the shoot button and immediately remove the batteries to prevent the capacitor from charging again. Place double-sided tape around the diameter of the circular object to help with this.Once you’ve created a satisfactorily thick loop, remove the object.
Now bind the coil with adhesive tape but leave two protruding leads to connect the terminals. When you’re ready to test out your creation, fetch the handheld electronic device you’d like to disrupt and flip the on switch.



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Comments

  1. 10_Uj_040
    Produced straight A's through the rest feels good against the skin the trained dispatchers of the.
  2. warlock
    In this way, you are eating him.