The first project I started was a Zapper, researched by the late dr Hulda Clark and her son, can be used to kill viruses and parasites in ones body.

The unit creates a 30kHz block signal, with the loop, 7 minutes on, 20 off, 7 on, 20 off and finally 7 minutes on. This will get rid of all intruders and more........

For more information on the Hulda Clark Zapper, click here!


The Zapper, works on one 9V battery. The puls is created by a 555 timer chip. The automation and battery check is done by a PIC16F689 microcontroller.

The complete drawing set and firmware is available!
for € 39,-  After payment it will be send by Email!