a remote control handset and the device it controls consists of pulses of infrared light‚ which is invisible to the human eye. Microcontroller A microcontroller is a single-chip microprocessor system that contains data and program Memory‚ serial and parallel input–output‚ timers‚ and external and internal interrupts‚ all Integrated into a single chip. Microcontroller applications are electronic calculators‚ TV remote controls‚ digital clocks‚ washing machines etc. AIM The aim of this project
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the first C compiler for 8051 microcontroller which is basic microcontroller. Keil provides a many range of development tools like ANSI C compiler‚ debuggers and simulators‚ macro assemblers‚ linkers‚ library managers‚ IDE‚ real-time operating systems and evaluation boards for Intel 8051‚ ARM families‚ Intel MCS-251. The LPC2148 microcontroller can support various IDE for debugging and compiling of the code and Keil is one of them and LPC family of microcontroller mainly use it for debugging and
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Chapter 3 Discussion of findings This chapter discusses the answers to the objectives raised in this study. Remotely-Controlled Automatic Clothesline The current system is a clothesline presented in mechanically controlled by magnets. It uses X-10 module interfaced with the stamp to provide power to the clothesline from a remote location. It uses a phototransistor that acts as a motion sensor for clothes moving the line. In figure 1‚ it shows the software flow chart of the existing system
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Evolution of Microprocessor It is interesting to note that the microprocessor had existed for only 10 years prior to the creation of the PC! Intel invented the microprocessor in 1971; the PC was created by IBM in 1981. Now more than 20 years later‚ we are still using systems based more or less on the design of that first PC. The processors powering our PCs today are still backward compatible in many ways with the 8088 that IBM selected for the first PC in 1981. November 15‚ 2001 marked the 30th anniversary
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8255 INTERFACING 1 of 6 http://what-when-how.com/8051-microcontroller/8255-interfacing/ Subscribe what-when-how In Depth Tutorials and Information SECTION 15.2: 8255 INTERFACING Chapters 12 and 13 detailed real-world interfacing of LCDs‚ sensors‚ and ADC devices. In this section we show how to interface the 8255 to LCDs‚ stepper motors‚ and ADC devices‚ then program it using 8051 instructions. Stepper motor connection to the 8255 Chapter 17 will detail the interface of a stepper motor to the
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positioning of any vehicle by using Global Positioning System (GPS) and Global system for mobile communication (GSM). This design will continuously monitor a moving Vehicle and report the status of the Vehicle on demand. For doing so an AT89C51 microcontroller is interfaced serially to a GSM Modem and GPS Receiver. A GSM modem is used to send the position (Latitude and Longitude) of the vehicle from a remote place. The GPS modem will continuously give the data i.e. the latitude and longitude indicating
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three distinct phases: preception‚ processing and action. Generally‚ the preceptors are sensors mounted on the robot‚ processing is done by the on-board microcontroller or processor‚ and the task (action) is performed using motors or with some other actuators. Parts List Semiconductors: IC1 - MT8870 DTMF decoder IC2 - ATmega16 AVR microcontroller IC3 - L293D motor driver IC4 - 74LS04 NOT gate D1 - 1N4007 rectifier diode Resistors (all ¼-watt‚ ±5% carbon): R1‚ R2 - 100-kilo-ohm R3 - 330-kilo-ohm
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during which the students can swipe once to increment their attendance. The RFID module operate in 125Khz range‚ when a tag passes through its vicinity‚ the module senses its presence and extracts its unique serial number and passes this code into microcontroller which matches the code to the correct person and increments the attendance of the particular person. CONTENTS 1.Introduction 2.Block Diagram and Description 3.Circuit -Circuit Diagram -Circuit Description 4.Software 5.Printed Circuit
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Most programmable microcontrollers that are used today are embedded in other consumer products or machinery including phones‚ peripherals‚ automobiles and household appliances for computer systems. Due to that‚ another name for a microcontroller is "embedded controller." Some embedded systems are more sophisticated‚ while others have minimal requirements for memory and programming
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Voltmeter Ammeter Component List: | 1x PIC16F876A - Programmed microcontroller 1x 2x16 LCD with Green or Blue Backlight 1x High quality PCB with red solder mask and plated through holes 1x 4MHz Resonator 1x LM7805 5V Voltage Regulator 1x 16x1 Gold Plated Female Header (PCB) 1x 16x1 Gold Plated Male Header (LCD) 1x 4x1 Gold Plated Male Header (LCD) 1x 100nF Ceramic Capacitor 1x 10K LCD Contrast Trimmer Potentiometer 1x 4x10K Network Resistor 2x 100K 1% Metal Film Resistor (brown
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