by Tarun Agarwal 1 day ago What is a Biosensor, Types of Biosensors and Applications The first biosensor was invented in the year 1950 by American biochemist “L.L Clark”. This biosensor is used to gauge oxygen in the blood, and the electrode used in this sensor is named as Clark electrode or oxygen electrode. Afterward,...
by Tarun Agarwal 4 weeks ago Full Subtractor Circuit Construction using Logic Gates Generally, the full subtractor is one of the most used and essential combinational logic circuits. It is a basic electronic device, used to perform subtraction of two binary numbers. In the earlier article, already we have given the basic...
by Tarun Agarwal 1 month ago Half Subtractor Circuit Construction using Logic Gates Half subtractor is the most essential combinational logic circuit which is used in digital electronics. Basically, this is an electronic device or in other terms, we can say it as a logic circuit. Half subtractor is used to perform two...
by Tarun Agarwal 3 months ago Designing of RF Secure Coded Communication System RF secured communication systems have been approximately for several years with various applications. The technologies cover a large variety of capabilities oriented to different needs. These have been proceeding at an extraordinary rate,...
by Tarun Agarwal 3 months ago Overview of Biometric Authentication System and Its Applications Humans identify each other according to their different features like their face, their voice. Authentication in computers has been usually based on something that one has things like chip card, magnetic or key. But, tend to get stolen...
by Tarun Agarwal 4 months ago Functioning of Digital Code Lock with LCD using 8051 Microcontroller The digital code lock system with LCD using 8051 microcontrollers is a password-based system. This project can be used as a security checking system to stop access to a room only for unauthorized persons with the password. So this project...
by Tarun Agarwal 4 months ago Electronic Learning Kit using 15 Projects-in-1 The designing process of the electronic learning kits in the early days can be done by fitting required components and copper wires to a wooden board and soldered to them. In some cases a circuit diagram was first drawn on a plain paper...
by Tarun Agarwal 4 months ago Stereo Amplifier Circuit using TDA2822 IC TDA2822 is one kind of Op-amp (operational amplifier) that can be used in low output applications like a stereo amplifier. This IC has some features like it is available in 16-pin power DIP package, low crossover distortion, low-quiescent...
by Tarun Agarwal 5 months ago Designing of Counter Type ADC In electronics, the term “analog to digital conversion” can be denoted with ADC, A/D or A to D. It is one kind of system used to convert analog signal to digital signal. An A/D may also give an inaccessible dimension like an electronic...
by Tarun Agarwal 7 months ago Schottky Barrier Rectifiers Working and Its Applications The Schottky diode or Schottky Barrier Rectifier is named after the German physicist “Walter H. Schottky”, is a semiconductor diode designed with a metal by the semiconductor junction. It has a low-forward voltage drop and a very rapid...
