by Tarun Agarwal 11 years ago Interrupts in 8051 Microcontroller and Structure and Programming The most powerful and important features are interrupts in 8051 microcontroller. In most of the real-time processes, to handle certain conditions properly, the actual task must be halt for some time – it takes required action – and...
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 Major Electronic Peripherals Interfacing to Microcontroller 8051 Interfacing is one of the important concepts in microcontroller 8051 because the microcontroller is a CPU that can perform some operation on a data and gives the output. However to perform the operation we need an input device to enter...
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 Isolation Transformers and Auto Transformers for Electrical Professionals Isolation Transformers A transformer is a device that transfers electric power from one circuit to another circuit without changing frequency. It contains primary and secondary winding wherein the primary winding is connected to the main...
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...
by Tarun Agarwal 11 years ago Mobile Cellphone Battery Charging Circuit with Explanation A mobile battery charger circuit is a device that can automatically recharge a mobile phone’s battery when the power in it gets low. Nowadays mobile phones have become an integral part of everyone’s life and hence require frequent charging...
by Tarun Agarwal 11 years ago Different Types of Relays and Their Working Principles The development of relays was initiated in the period 1809. As a part of the invention of the electrochemical telegraph, the electrolytic relay was found by Samuel in the year 1809. Thereafter, this invention was asserted by the scientist...
by Tarun Agarwal 11 years ago Importance of Microwave Antennas in Communication System A system used for transferring the data between persons and equipments is called communication system. The system usually consists of individual Communication networks, relay stations, transmission system, terminal equipment, interconnection...
