High Voltage from Mosquito Racket Zapper. I wanted a high voltage, low current, power source to be used for various experiments. I tried to make a van de graaf machine but the humidity in Manila (60+ %) was just too high to get it working.
I bought a rechargeable Mosquito Racket Zapper from the hardware store, it was on sale for 200 PHP.
I short circuited the push button to make the racket always 'armed' whenever it's switched on. I also removed the AC prongs and wired an extended cable and plug onto the existing wires.
Unfortunately the AC charging circuit exploded (literally) when the racket was made to spark at the same time as charging. So I removed the battery and wired a 5v AC adapter in place of it.
I replaced the original metal mesh screens with two lengths of solid core house electrical wire.
The capacitors inside are rated for 400 volts. While I've seen experiments showing significantly higher voltages being pushed through underrated capacitors, I'm pretty confident (based on maximum spark gap) that this racket really is 400 or less volts.
The estimated current is 0.03 milliamps.
While It may look like a taser, it's not, and it wouldn't make a very good one due to the low voltage. But it's perfect for experiments like the EMP test I performed in this video which managed to completely fry my digital thermometer and just reset the calculator.
Modifying or using a bug zapper is a lot easier than using the flash charging circuit from a disposable camera.
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Tags: High Voltage from Mosquito Racket Zapper, Mosquito zapper, Mosquito racket, emp, High Voltage, van de graaf, manila, philippines, Bug Zapper (Product Category), disposable camera flash, flash charging circuit, taser, tazer