Here's a circuit to create a buzzcoil using a standard automotive ignition coil. A 556 dual timer is used to establish the frequency and duty cycle of the coil current. One of the timers is... [more]
The CDI ignition circuit produces a spark from an ignition coil by discharging a capacitor across the primary of the coil. A 2uF capacitor is charged to about 340 volts and the discharge is controlled... [more]
Can be used agains ferocious animals or attackers, BUT REMEMBER, this device may be illegal in your state. [more]
Here’s a project that could be useful this summer on the beach, to stop anyone touching your things left on your beach towel while you’ve gone swimming; you might equally well use it at the... [more]
circuit from:http://www.extremecircuits.net/2010/05/mini-high-voltage-generator.html
This is a fun and useful circuit for demonstrating high frequency high voltge. It can produce up to about 30KV, depending on the transformer used. It is cheap and easy to make, thanks to the... [more]
This is an efficient flyback driver for modern cylindrical rectified television flybacks. [more]
When in atmosphere exists accumulation of negative ions, it has been proved medical, that the human organism reacts favourably. Opposite happens when exists accumulation of positive ions. [more]