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Fun, Prank, Gag, Party, Any. Search within store. Visit Store: rawrmax. Shipping and handling. This item will ship to Germany , but the seller has not specified shipping options. Contact the seller - opens in a new window or tab and request a shipping method to your location.
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Learn more - opens in a new window or tab. There are 31 items available. Please enter a number less than or equal to Looks like a real pack of gum but gives your friends a quick and mild electric shock when they reach for this gag stick of gum. Add to Cart. Sold and shipped by TechGadgets. Features: Brand new and high quality. It looks like a real pack of gum. Give your friends a quick and mild electric shock when they reach for this gag stick of gum. See helpful questions and answers from shoppers like you.
It's a thin wire bent into a spring which snaps onto the unsuspecting victim's fingernail in a "mousetrap" fashion. Since it happens so quickly and isn't expected, it feels like a shock. I don't see a part labelled "unknown white blob".
Add a comment. Active Oldest Votes. Whit3rd Whit3rd 6, 20 20 silver badges 22 22 bronze badges. It is certainly not a as that would require programming with more passive components. Then again, perhaps there is some mechanism which opens the switch in there The previous answer seems more in line but is still incomplete. For these extreme-mass-market toys, you typically have a custom ASIC doing exactly everything necessary to operate, apart from things that has to be physically large coils, capacitors.
They aren't big. For you to make a claim that there is an active component in there you have to support it with evidence. Exactly what function would such a component perform? Secondly, I cut the blob open with pliers only to find a white grainy substance. The only thing I could begin to imagine is that there may be a switching component in there which re-opens the circuit after pressing the button, as that might support TonyStewart 's answer.
The COB is a simple oscillator probably high frequency divided down and an output driver. There must be some kind of ASIC, like in some calling bell sound generators, they packs pretty nice song inside such white epoxy chips , no external componcomponents.
The voltage in the actual device is 6V and the internal resistance according to the datasheet is at least 50ohms. Also, the skin resistance when gripping the pen is much lower than 1M. The step up ratio can then again be larger. Do you claim that the shocking action occurs when the switch is open? The switch opens as for as I know when you release the button, and are no longer in contact I wasn't sure but thought the voltage was between tip and hand so I used 1M from a dry finger to get more voltage on release.
I also assumed release of switch occurred before release of tip. I have those small batteries at home and three in series gave about 40 ohms. Also, I am beginning to suspect strongly that the white piece is an active component. If it incorporates timer and a transistor which opens and closes the circuit everything may start making more sense.
Your thoughts? Decapod Decapod 3, 7 7 silver badges 21 21 bronze badges. Adam Lawrence Adam Lawrence 32k 2 2 gold badges 56 56 silver badges bronze badges. Please login with donotbug and bugmenot as username and password respectively. I built a similar device myself once back in high school into a cigar box, powered by a D cell.
I handed it to a friend, who naturally opened it to see what was inside. He was NOT happy! This was before the family went on a 2 week holiday. On my return, I had completely forgotten I had set this trap The Overflow Blog.
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