The document discusses interfacing a keyboard and DC motor to an 8051 microcontroller. It describes using a keyboard scanning technique to identify pressed keys using a row and column arrangement. It also discusses issues with keyboard interfacing like debouncing and multiple key presses. The document provides code to interface a 4x4 keyboard and read the pressed key. It also discusses using a DC motor interface for unidirectional and bidirectional control based on the status of a switch.
This presentation is all about counters, focusing on synchronous and asynchronous counters. The unique feature is the incorporation of the circuit images generated from MULTISIM software imparting practical knowledge to the users.
This program demonstrates a simple console interface to call FTP2 in a batch environment, allowing the operator to retry a failed process. This is most useful for situations where receiving servers might be down for short periods of time and thus unable to receive a file transmission on the first attempt.
Design and implementation of synchronous 4 bit up counter using 180 nm cmos p...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
This presentation is all about counters, focusing on synchronous and asynchronous counters. The unique feature is the incorporation of the circuit images generated from MULTISIM software imparting practical knowledge to the users.
This program demonstrates a simple console interface to call FTP2 in a batch environment, allowing the operator to retry a failed process. This is most useful for situations where receiving servers might be down for short periods of time and thus unable to receive a file transmission on the first attempt.
Design and implementation of synchronous 4 bit up counter using 180 nm cmos p...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Brand content et evenementiel : pari gagnantLabCom
Conférence LabCom du 22/11 sur la thématique "Brand content et évènementiel : pari gagnant?" avec les intervenants suivants:
- Jeanne Bordeau, Présidente de l’Institut de la qualité de l’expression,
- Cyril Paglino, Digital entrepreneur et Fondateur de l’agence Wizee,
- Georges Mohammed-Chérif, Fondateur et CEO de l’agence Buzzman,
- Charlotte, Chargée des relations consommateurs, réseaux sociaux et médias chez Michel & Augustin.
Cinéma - Les bonnes pratiques pour promouvoir un film sur FacebookBenjamin Martin
J’ai réalisé ce document afin de vous permettre de comprendre les principes de base d’une communication réussie sur Facebook. Il n’y a pas de stratégie miracle, chaque stratégie adoptée doit correspondre parfaitement à l’identité du film promu, et ce, de façon créative afin de vous démarquer.
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Contents:
1.Why programming is important?
2.Input and Output devices for microcontroller
3.Application of Microcontroller
4.Interfacing Keypad with microcontroller
5.Keypad Matrix Scanning concept.
6.ALP for interfacing keypad with LCD.
A microprocessor is an electronic component that is used by a computer to do its work. It is a central processing unit on a single integrated circuit chip containing millions of very small components including transistors, resistors, and diodes that work together. Some microprocessors in the 20th century required several chips. Microprocessors help to do everything from controlling elevators to searching the Web. Everything a computer does is described by instructions of computer programs, and microprocessors carry out these instructions many millions of times a second. [1]
Microprocessors were invented in the 1970s for use in embedded systems. The majority are still used that way, in such things as mobile phones, cars, military weapons, and home appliances. Some microprocessors are microcontrollers, so small and inexpensive that they are used to control very simple products like flashlights and greeting cards that play music when you open them. A few especially powerful microprocessors are used in personal computers.
A microprocessor is an electronic component that is used by a computer to do its work. It is a central processing unit on a single integrated circuit chip containing millions of very small components including transistors, resistors, and diodes that work together. Some microprocessors in the 20th century required several chips. Microprocessors help to do everything from controlling elevators to searching the Web. Everything a computer does is described by instructions of computer programs, and microprocessors carry out these instructions many millions of times a second. [1]
Microprocessors were invented in the 1970s for use in embedded systems. The majority are still used that way, in such things as mobile phones, cars, military weapons, and home appliances. Some microprocessors are microcontrollers, so small and inexpensive that they are used to control very simple products like flashlights and greeting cards that play music when you open them. A few especially powerful microprocessors are used in personal computers.
Switch Control and Time Delay
1. LEDs and switches
2. Keypad and LEDs
3. Keypad and 8-segment LED C language and Assembly Code for Freescale MC9S08AW60
11. KEY FEATURES OF KEYPAD ENCODER:
Automatically translates key press into a 4 Bit number
Built in scanning circuit
Overcome key bounce using a single capacitor
Key closure indicated by an output line
Last key press is stored in a latch