by Tarun Agarwal 10 years ago Difference between DIAC and TRIAC : Working & Their Characteristics There are several applications where it is preferred to regulate the power fed to a load. For instance: using electrical methods controlling the speed of a motor or fan. But, these methods do not allow fine control over the flow of power...
by Tarun Agarwal 10 years ago Temperature Controlled DC Fan by using 8051 Microcontroller Nowadays, the humankind is moving towards the new technologies by replacing the manual operations to automatically controlled devices. One of the basic requirements of the people during hot weather is a cooling fan. But, the speed of the...
by Tarun Agarwal 10 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 10 years ago Auto Intensity Control of Street Lights Circuit and Working with Applications In olden days, streetlights on the roads are controlled manually. But, nowadays street lights are controlled automatically or by emerging automation technology. But one can notice that there is no necessity of high intensity in peak hours...
by Tarun Agarwal 10 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 10 years ago Induction Motor Protection System Circuit and Its Working The electric motor is the most crucial drive in the modern era of automation. These motors are used in various industrial applications. But these motors can be protected from the different mechanical and electrical faults for helping their...
by Tarun Agarwal 10 years ago Street Light that Glows on Detecting Vehicle Movement Circuit and Working Nowadays, street lighting systems in industries or cities are growing rapidly. The important considerations in the field of different technologies like electrical and electronics are cost effective, automation and power consumption. There...
by Tarun Agarwal 10 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 10 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 10 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...
