Morning guys.. just had a question that maby someone can answer. I have built a ignition coil driver from a simple dimmer from home depot with a cap that runs off 120 volts ac. I can turn the dimmer and it changes the spark from the output of the coil. If i lower the dimmer all the way i can hold the output of the coil and transfer the light shock to another person. I am not sure if the dimmer is lowering the freq of the output or the power of the output. So I guess im asking dors anyone know if its limiting the freq of the coil or power say from 0kv and when i turn the dial is it just allowing more of the chopped ac into the cap and diacharching the cap faster... i know im rabling now so ill get on to the main question lol. If i build a adjustable 555 timer driver and adjust the pulse to its highest will this pulse the coil at such a high freq that i may touch the output with minimum shocking to myself. Im thinking of skin affect at higher freq. Also am i correct in thinking that the higher freq will also limit current on the output?? I know very long post for 2 questions lol. Any help would be great thanks everyone.