by Tarun Agarwal 9 years ago Heat Sensor Circuit and Working Operation The main property of a heat sensor is to sense the heat, which is present around the sensor. When the set value of the temperature is high, then it is indicated with the help of a glowing LED. The usage of the heat sensor circuit is inside...
by Tarun Agarwal 9 years ago Understanding about the P-N Junction Diode Theory and Working A P-N Junction Diode is formed by doping one side of a piece of silicon with a P-type dopant (Boran) and the other side with a N-type dopant (phosphorus).Ge can be used instead of Silicon. The P-N junction diode is a two-terminal device....
by Tarun Agarwal 9 years ago Crystal Oscillator Circuit and Working A crystal oscillator is an electronic oscillator circuit that is used for the mechanical resonance of a vibrating crystal of piezoelectric material. It will create an electrical signal with a given frequency. This frequency is commonly...
by Tarun Agarwal 9 years ago Types Of Thyristors And Their Applications Commercially, the first thyristor devices were released in 1956. With a small device Thyristor can control large amounts of voltage and power. The wide range of applications in light dimmers, electric power control and speed control of...
by Tarun Agarwal 9 years ago Tunnel Diode Circuit with Operations and Applications A Tunnel Diode is also known as Eskari diode and it is a highly doped semiconductor that is capable of very fast operation. Leo Esaki invented the Tunnel diode in August 1957. The Germanium material is basically used to make tunnel diodes....
by Tarun Agarwal 9 years ago Simple Electronic Circuits for Beginners Generally, success in early projects plays a vital role in the field of electronics for engineering students’ careers. Many students quit electronics due to failing in their first attempt. After a few failures, the student keeps a misconception...
by Tarun Agarwal 9 years ago Microcontroller based LPG Leakage Detector Circuit and Working Nowadays, security is the major problem in many fields due to robberies, fire accidents and blasts due to LPG gas leakage. At present, LPG gas can be used in the car, in the storage tank or service station. But, due to some reasons the...
by Tarun Agarwal 9 years ago 555 Timer based Smoke Detector Circuit Diagram and Its Working Smoke detectors are one of the most amazing inventions due to mass production and less cost practically. Every year these detectors save thousands of lives due to this, it is recommended for every home. These devices mainly include two...
by Tarun Agarwal 9 years ago Hidden Active Cell Phone Detector Circuit and Its Working The rapid growth of cell phones in the 21st century to now has raised many problems. In addition, public reaction was growing against the disturbance of cell phones introduced in daily life. Here is a simple engineering project, namely...
by Tarun Agarwal 9 years ago Biometric Sensors – Types and Its Working The word biometrics is derived from the Greek words bio and metric. Where bio means life and metric means to measure. Biometrics are used to identify his or her physical and behavioural characteristics of a person. This method of identification...
