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Intellect Speed Breakerusing Can Protocol

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Intellect Speed Breakerusing Can Protocol
INTRODUCTION

INTRODUCTION TO INTELLECT SPEED BREAKER USING CAN PROTOCOL

This project deals with limiting the speed of the vehicle by employing technology of embedded systems using “Peripheral Interface Controller (PIC 16F877A)”, when the vehicle enters the speed limiting zone. The parameter to be controlled in this project is speed.

PIC has the advantage of enhanced FLASH memory with the modified Harvard architecture and having simple 35 instructions. A Controller Area Network (CAN) protocol is ideally suited to automobiles. Performance of CAN and its upgrade ability leads to effective system design. This protocol is immune to Electromagnetic interference (EMI) effect and rugged surfaces, so the transferred data is sent to destination without any error.

Hence by implementing RFID based speed breaker using CAN protocol, vehicle speed slow down automatically in the speed limiting zone and regains its speed when it leaves from the speed limiting zone. Thus the concept of automated speed breaker is achieved.

CHAPTER-1
PROJECT DESCRIPTION

1.1 BLOCK DIAGRAM

RFID READER MOTOR

PIC 16F877A PIC 16F877A

MCP2515 MCP2515
(CAN ENGINE) (CAN ENGINE)

MCP2551 CAN PROTOCOL MCP2551

Figure1.1

1.2 CIRCUIT DIAGRAM

[pic]

Figure1.2

CHAPTER-2
SYSTEM HARDWARE

2.1 INTRODUCTION Unlike microprocessor, microcontroller are generally optimize for specific applications. The first 8-bit microcontroller, the Intel 8048 was introduced in 1976. It was designed to control the specific tasks.

2.2 DIFFRENCE BETWEEN MICROPROCESSOR AND MICROCONTROLLER

| | |
|MICROPROCESSER |MICROCONTROLLER |
|Microprocessor contain ALU, general purpose register, stack |Microcontroller
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