This stun gun is powered by a 9V battery. The transformer steps up the voltage to about 1800V (but with very low current). A 555 timer IC is used to generate a high-frequency output. A 1 MEG variable resistor can also be used at the output to drop the voltage, but this is optional. If you build this circuit, be careful, as it outputs a high voltage. Complete schematics.

It’s non-lethal according to the companies who make them commercially, and it is fairly easy and cheap to build. This page is really for people who already have experience with electronics, or those who wish to learn. Having said that, you don’t need to know how it works (although it helps with trouble shooting), and the only skills you need are soldering and recognising components. Complete plans and discussion of potential problems.

The whole point of this project is that the device can be constructed easily, with readily available components. There is no need to buy miniture high voltage transformers, that are difficult (or impossible) to get hold of. All the components can be sourced from junked consumer goods (although the UJT, SCR and enamelled copper wire would be easier to buy than find). Unlike the previous design, the high voltage capacitor used can be easily sourced from an old TV if a few modifications are made.

The electric stun gun tazer is a modern, portable, personal-protection appliance. It generates hight potential energy to ward off vicious animals or other attackers. It is an aid to help exape from a potentially dangerous situation. the device develops about 2,000 volts. Higher voltages mabe be attained by adding aditional multiplier stages, but it should be noted that those stage will also increase the overal size of the unit.

When touched with the Dazer, the victim will receive a stunning, but non-lethal jolt of electricity that will usually discourage any further encounters.

The easiest stun gun to build is based upon a 555 timer/oscillator IC.
The 555 is an extremely popular and easy to find chip and costs less than $2 at your local electronics store.

A standard stun gun works fairly simply using two 9V batteries to develop the voltage across the two electrodes. The batteries are the source of electricity for the circuit inside the stun gun. The circuit contains many different elements including transformers which serve to amplify the voltage in the circuit while reducing the amperage. In addition, oscillators create a pulse which in turn charges up the capacitors. The charged capacitors are what deliver the shock to the person by delivering it to the electrodes.