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...
by Tarun Agarwal 9 years ago Automatic Wireless Health Monitoring System for Patients Circuit and Working Generally, it is very hard to find the abnormalities in the heartbeat count of a patient. The average count of 25 years old ranges from 140 to 170 beats/minute, whereas in 60 years old people, it ranges from 115 to 140 beats /minute. Patients...
by Tarun Agarwal 9 years ago Underground Cable Fault Distance Locator : Circuit and Its Working Till the last decades, a million miles of cables are threaded in the air across the country. But currently, it is laid in the underground, which is larger than an earlier method. Because, underground cables are not affected by any adverse...
