by Tarun Agarwal 11 years ago Automatic Railway Gate Control System Alert via SMS An automatic railway gate control system is implemented to prevent accidents of the traction system at the railway crossing levels. Nowadays many accidents take place at the railway gate crossing due to uneven crossings, even when the gate...
by Tarun Agarwal 11 years ago Introduction to Embedded Microprocessors and Its Applications An embedded microprocessor is a computer chip used inside several devices and equipments to provide added functionality. A microprocessor is a digital-electronic component with transistors integrated on a single semiconductor IC that is...
by Tarun Agarwal 11 years ago Electronics and Electrical Projects for Diploma Students The self-learning project kits for diploma students are listed below. These projects are very useful for final year diploma students. Select the topics from the following list of projects. These projects are the latest and innovative electrical,...
by Tarun Agarwal 11 years ago Brief History of Electronics and Their Development In this 21st century, every day we are dealing with electronic circuits and devices in some of the other forms because gadgets, home appliances, computers, transport systems, cell phones, cameras, TV, etc. all have electronic components...
by Tarun Agarwal 11 years ago Digital Tachometer Circuit Operation using Microcontroller and their Types A digital tachometer is a digital device that measures and indicates the speed of a rotating object. A rotating object may be a bike tire, a car tire or a ceiling fan, or any other motor, and so on. A digital tachometer circuit comprises...
by Tarun Agarwal 11 years ago Explain Different Types of LEDs and Working Applications for Engineering Students In 1972, the first yellow LED was invented by M. George Craford, and he was a student of Holonyak. In 1980s, the first superlight LEDs were developed and these LEDs were cost effective, more stable and brighter. From 1990s onwards, the...
by Tarun Agarwal 11 years ago Thermistor Types – Their Workings and Applications A thermistor is a temperature sensing element composed of sintered semiconductor material that exhibits a large change in resistance in proportion to a small change in temperature. A thermistor can operate over a wide temperature range...
by Tarun Agarwal 11 years ago Microprocessor History and Its Generations Fairchild semiconductors (founded in 1957) invented the first Integrated Circuit in 1959 that marked the microprocessor history. In 1968, Gordan Moore, Robert Noyce, and Andrew Grove resigned from the Fair child semiconductors and started...
by Tarun Agarwal 11 years ago Different Types of Resistors and Its Color Code Calculation in Electronics Resistors are the most commonly used components in electronic circuits and devices. The main purpose of a resistor is to maintain specified values of voltage and current in an electronic circuit. A Resistor works on the principle of Ohm’s...
by Tarun Agarwal 11 years ago What is Modulation and Different Types As we are living in an era of communication wherein we can easily transfer any form of information (video, audio, and other data) in the form of electrical signals to any other device or destined area. Although it is common in our perceptual...
