Pocket Transmitter
This is a very simple circuit, which works on two 1.5V pencil cell. With a telescopic antenna this transmitter can cover 20 ....
Circuits
Reflex Action Game
TThis is a very interesting and simple circuit. This also can be used in quiz events, where two participants hit their button ....
TRIAC Switch To Control High-Voltage Device
TThis is a very interesting and simple circuit. This also can be used in quiz events, where two participants hit their button ....