Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I made one of these a while ago using the electronics from a camera flash...it was really fun until my friends (who I had been using it against) held me down and shocked the crap out of me. From then on I decided never to make on again...
I made one of these a while ago using the electronics from a camera flash...it was really fun until my friends (who I had been using it against) held me down and shocked the crap out of me. From then on I decided never to make on again...
Yeah I wish I had videoed it, but it was during break at school. After that it broke (never did find out what was wrong) so I never went about making another.
And in context, I talked with an electrical engineer not too long ago and he made an interesting project when he was a kid. Basically it was a circuit that took 120 VAC from the wall, rectified it and charged a big capacitor with it. The ends of the capacitor were connected to 2 foil pieces, which covered the box that contained the circuit. You would only hold the box from one side and ask someone to hold it. When they did, the cap. discharged through their hands and gave them a nasty jolt. It was all fun and games then, but in reality it was extremely dangerous...those caps hold a LOT of energy and it was discharging through their heart (both hands held one end of the foil)...we had a good laugh about that one.
Heh, thats if you survived the shock...I have to say, despite the danger of that box he built, it would have been a LOT of fun to use...much worse than those simple camera flash shockers...
Simplest shocker: Grill igniter. And it does not have the potential to put you in the hospital or jail. My brother's friend somehow managed to get a hold of 80-something 9V's once. They hooked them all together and had 4 guys link arms then touched the contacts. Dumb college kids. They are lucky they were not all sweaty, a bad shock could have been much worse.
720V/4 is still 180V per person. 9V Alkalines will supply 500 mA when fresh. Carbon 9V maybe 100 mA. Either is good for 30 seconds or more, which is plenty of time to get killed.
I wanted to punch him for being dumb, but he is bigger than me lol. They are lucky their skin has a few M ohms resistance each. I don't think all of them were fresh, they were taken out of wireless mics. But if you leave alkaline sitting they seem to recover some charge. I have re-used dead batties plenty of times. They were lucky.
If you take a flash board from a disposable camera (I have about 20 now ) and run it with no load (no cap), it can easily generate up to 1kV (the polaroid ones) and make teh transformer run hot
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