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Automatic street light controller

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Automatic street light controller

  1. 1. PROJECT DEFINITION / SPECIFICATION For AUTOMATIC STREET LIGHT CONTROLLER USING AT89c51 MICROCONTROLLER A TECHNOLOGY PLAIN DOCUMENT PROJECT DEFINITION AND SPECIFICATION……………………… 1
  2. 2.  SECTION 1: SPECIFICATION DATE  SECTION 2: PROJECT TYPE  SECTION 3: PROJECT DESCRIPTION  SECTION 4: BLOCK DIAGRAM  SECTION 5: PROJECT OUTLINE  SECTION 6: INTERFACES USED  SECTION 7: SOFTWARES USED 4 PROJECT DEFINITION / SPECIFICATION SECTION 1: SPECIFICATION DATE SECTION 2: PROJECT TYPE Microcontroller (AT89C51) hardware design with software development (Device Driver) . 2
  3. 3. SECTION 3: PROJECT DESCRIPTION The aim of this project is to reduce the power consumption as well as maintenance by providing the Photo sensor that switches the light on and off automatically. The main feature of the Photo sensor is it’s a light dependent resistor. A small hardware model, which is as real as real world application, is built in this project. As the light falls off these sensors switch on the street light and vice-versa. SECTION 3: BLOCK DIAGRAM Relay 1 Photo Sensor Reset circuit Oscillator Circuit ATMEL 89C51 Controller Relay 2 Relay 3 Relay 4 Display1 16x2 LCD 3
  4. 4. SECTION 5: PROJECT OUTLINE  A brief introduction to internal architecture of micro controller.  An over view of programming of micro controller.  An overview on assembly language.  An overview on interfacing 16X2 LCD.  An overview of Buzzers.  An overview on interface of switches and led. SECTION 6: INTERFACES USED  Sensors interfacing.  16X2 LCD Interfacing.  Relay interfacing  ULN2003 interfacing  Buzzer, switches, led interfacing with micro controller. SECTION 7: SOFTWARES USED  A Cross compiler for compiling and linking the code written for AT89C51.  Serial communication software for downloading code to AT89C51.  Operating system: Windows XP. 4
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