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a different twist to you coca cola truck, just need to add the wheels :-)
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Can I use a wire instead of crocodile clips pls help me
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Hello there, I found your video on YouTube recently and tried to build one of those myself. The results are not so good as yours, but that's my first attempt to build anything from coca cola cans. Here's what I've got right now:
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Because only giving signal to one of them.
For those of you wondering, you can use metal instead of pencil lead. I've been experimenting with two paper clips as the connections and different materials as the free-floating part, and have found something that should be discussed. I first tried 3 paper clips stripped across the bridge, with 4 AA batteries hooked up to it in series. I could only hear loud bumps and buzzing. After experimenting and reducing to two AA batteries and only using 1 paper clip, I found that if I talked very quietly, I could hear what I said - but it was still bugging out my headphones. I then attempted a piece of aluminum foil folded accordion - style. It was so loud that it made loud bumps on my headphones and hurt my ears. The reason graphite doesn't do this is because, though it conducts electricity, it acts as a resistor; as in, it makes it much harder for electricity to flow through it. In conclusion, to use metal instead of graphite, you will either want to hook up a customized circuit to reduce the current, or, for those of you who can't, if you use a 1.5v AA battery with two paper clips as the connections and a paper clip across the middle for the actual microphone part, using a 200 ohm resistor (Or 220 ohm resistor) hooked up on the positive lead of the battery will bring the amps down to 7.5 amps, (or 6.8 amps) and will hopefully prevent your headphones or speaker from blowing out. SERIOUS NOTE: I am still new to calculating resistance, and this is all theory until I have a chance to actually get some resistors, so use headphones that you don't care whether or not they are destroyed, and DO NOT PLUG INTO AN ELECTRONIC unless you are ABSOLUTELY CONFIDENT that it is safe, or else you may just ruin ports on your computer or other device. Hope this helps!
Nice - Never seen it done with tea bags before. This is an old party trick at Italian restaurants using an amaretti wrapper and doing the same thing. Nice trick on a first date! - as long as you don't burn the place down ;-)
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