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PRESENTATION ON

EMBEDDED SYSTEMS. PRESENTATION ON. Special purpose system which are used as either standalone or part of big system. An embedded product uses a microprocessor or microcontroller to do task. Introduction to embedded systems. Single Function

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PRESENTATION ON

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  1. EMBEDDED SYSTEMS PRESENTATION ON

  2. Special purpose system which are used as either standalone or part of big system. An embedded product uses a microprocessor or microcontroller to do task . Introduction to embedded systems

  3. Single Function • Complex Functionality :- complex algorithms are used in mobile phones etc. • Full Of Constraints :- limited memory , low cost , low power consumptions . • Real Time Performance :- it completes all its tasks in given time period . • Safety Critical :- aircrafts ,lifts , space shuttles , medical instruments. CHARACTERISTICS OF EMBEDDED SYSTEMS

  4. Communications • Automotive automatic braking • Military applications – Missile guidance systems • Industrial applications • Robotics APPLICATIONS OF EMBEDDED SYSTEMS

  5. A Microcontroller is a complete computer on a single chip optimized to control electronic devices. A Microcontroller consists of RAM/ROM with flash memory on a single chip. It is a type of microprocessor emphasizing self-sufficiency and cost-effectiveness, in contrast to a general purpose microprocessor , the kind used in pc. MICROCONTROLLERS

  6. It is a 40 pin IC known as pic microcontroller and manufactured by MICROCHIP TECHNOLOGY INCORPORATED . It is new generation microcontroller with enhanced features from earlier versions of microcontrollers . PIC family has many microcontrollers and pic18f458 is one them. PIC 18F458

  7. FEATURES:-  High-Performance RISC CPU.  Advanced Analog Features.  Secondary oscillator clock option.  Linear data memory addressing to 4 Kbytes.  Three external interrupt pins. PIC 18F458

  8. PIN DIAGRAM

  9. PROJECT TITLE :- Device Control By Timer. DESCRIPTION:- This project is designed to control the electronic devices by a digital clock. To control a device or to make that device on or off at a desired time interval , we have to set the time in project with help of four buttons provided for interfacing between with user and kit . ABOUT PROJECT

  10. PIC16F877A IC 1000uf capacitor 104 ceramic capacitor 8MHz crystal oscillator 7805 voltage regulator 10kohm resistor 1.2kohm resistor 2.2kohm resistor Male – Female bungi strip COMPONENTS USED

  11. 16X2 LCD soldering iron soldering wire desold wire connecting wire push buttons relay 12V ULN803 IC DS1307 IC COMPONENTS USED

  12. THANK …YOU… ......x……x…….x……x………x……..x………x……..x….... .

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