by Tarun Agarwal 12 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 12 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 12 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 12 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 12 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 12 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...
by Tarun Agarwal 12 years ago Transistors – Basics, Types & Baising Modes Introduction to Transistor: Earlier, the critical and important component of an electronic device was a vacuum tube; it is an electron tube used to control electric current. The vacuum tubes worked but they are bulky, require higher operating...
by Tarun Agarwal 12 years ago IDC – Insulation Displacement Connector Insulation Displacement Connector (IDC) is an electrical connector designed to connect the conductors. They work directly with multi-layer magnet wire coatings while maintaining a high normal force and a low contact resistance. Insulation...
by Tarun Agarwal 12 years ago What is LM3915 IC Visualized Audio Level Display Why is the Audio Level display needed? Often in many applications, it is required to measure the level of the audio signals, for example in discotheques to get an idea about the loudness of the sound signal, in other areas to measure the...
by Tarun Agarwal 12 years ago Microcontroller Based Caller ID & Use of DS1232 A Practical Application using Microcontroller – Caller ID Caller ID is known as caller identification (CID), it is a telephone service to transmit a caller’s number to the called person phone soon after the call is replied. Where,...
