by Tarun Agarwal 11 years ago Basic Intrusion Detection System Look at this quote by Admiral Grace Hopper “Life was simpler before world war II. After that we had systems” So, what does this actually means? With invent of systems (computer systems) came the increase for various needs...
by Tarun Agarwal 11 years ago Digital Thermometers and Its Applications Thermometers A thermometer is a device used to measure the temperature of any particular device or living body and displays the reading. A thermometer scale can be in Fahrenheit or Celsius. 2 Kinds of Conventional Thermometers used earlier 1....
by Tarun Agarwal 11 years ago Sensors – Types & Applications Pressure Sensors Pressure sensors are generally used to measure pressure of gas or liquids. Usually a pressure sensor acts as a transducer. It generates the pressure in analog electrical or digital signal. There is also a category of pressure...
by Tarun Agarwal 11 years ago Sound Activated Switch Consider a situation in a bank or any organization where a sudden invasion by the burglars has taken place. Now all the staff has been handcuffed by the robbers and the main locker room full of valuable resources is at the mercy of the...
by Tarun Agarwal 11 years ago Voice Recording and Playback Circuit You can make a voice recording and playback circuit using the easily available IC APR 9301. The circuit can record and playback the voice up to 30 seconds. It can be used in automatic answering devices, door phone, etc. The IC APR 9301...
by Tarun Agarwal 11 years ago How Does an Electronic Nose Work? Introduction: The electronic nose is a device that detects the smell more effectively then the human sense of smell. An electronic nose consists of a mechanism for chemical detection. The electronic nose is an intelligent sensing device...
by Tarun Agarwal 11 years ago What is an Automated Teller Machine & Its Working The term ATM stands for automated teller machine. It is an electronic device that is used by only bank customers to process account transactions. The users access their accounts through a special type of plastic card that is encoded with...
by Tarun Agarwal 11 years ago Embedded System Design Process Simulation Software Simulation is the process of designing a model of a real system and conducting experiments with a model for the purpose either of understanding the behavior of the system or of evaluating various steps to achieve the...
by Tarun Agarwal 11 years ago What is a MOSFET : Working and Its Applications The MOSFET (Metal Oxide Semiconductor Field Effect Transistor) transistor is a semiconductor device that is widely used for switching purposes and for the amplification of electronic signals in electronic devices. A MOSFET is either a...
by Tarun Agarwal 11 years ago RS232 – Basics, Applications and Interfacing What is RS232? The RS-232(X) is a serial communication protocol, commonly used for transferring and receiving the serial data between two devices. It supports both synchronous and asynchronous data transmissions. Many devices in the industrial...
