Insect Repellant - The idea for this project may have come to me in a flash of inspiration, and its a very simple way to check if a fuse has blown without removing it from its holder. __ Designed by Graham Maynard Mosquito Repellant - Very simple and easy to assemble mosquito repellant using two transistors and handy components. __
Mosquito Repeller - This circuit produces a tone above the human audible range and this is supposed to keep the mosquitoes away. You need a piezo diaphragm that will respond to 15kHz and these are very difficult to find. __ 555-Timer
Parasite zapper - This page tells you how to make a Hulda Clark-style "Parasite Zapper". This is a simpler and more efficient version that works just like the original, but the battery lasts much longer. We make no therapeutic claims for this device. It is for experimental purposes only __ |