The theory of insect repellent circuit is quite complex though it is possible to give a rough outline of what happens. It seems that mosquitoes and other nasty insects only […]
Simple Electronic Organ Circuit
Actual electronic organs are pretty sophisticated devices they comprise tone generators for the basic notes with dividers to provide a range of octaves. In addition ‘voicing‘ is provided so that […]
Radioactivity Detector Circuit
The term “Geiger Counter“ refers to a device which actually counts the number of radio active particles passing through a specified area and while this circuit does not actually count, […]
Simple Intercom Circuit
The most straightforward form of intercom circuit would be to use a microphone feeding an amplifier which in turns feeds a speaker at the other end. When the remote end […]
Simple DC Bulb Flasher Circuit
This simple DC bulb flasher circuit has a number of uses in many fields. It is common knowledge that flashing lights are far more noticeable than those that simply remain […]
Simple Transistor Thermometer Circuit
This simple electronic transistor thermometer circuit can be used for measuring the temperature of the surrounding effectively using minimum number of components. Introduction All semiconductor materials are heat sensitive, some […]