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PROJECT DESCRIPTION

The main intention of this project is to design  opening and closing of doors automatically using PIR sensor that responds to detecting human body temperature near the doors.

The proposed system is especially used in crowed areas like shopping malls, airports, hotels and so on wherein many incoming and outgoing visitors pass through the doors frequently.

The proposed system uses a PIR sensor which is duly interfaced to a microcontroller of 8051 family. It is used to detect anyone approaching within the operating range.

The door is controlled by a motor driver that is connected to the circuit. If any person comes near  the door, then the sensor detects the body movement to send  logic signals to the microcontroller that delivers  respective pulses to switch the relay with a fixed time delay to operate the motor. 

This project in future can be implemented by integrating a counting arrangement using EEPROM to keep a record of entry and exit of people at a particular place.

 

 

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
Call/mail for Tech Support from 10 am - 7 pm IST.
BLOCK DIAGRAM
HUMAN BODY TEMPERATURE SENSED AUTOMATIC DOOR OPENING SYSTEM
Hardware Requirements
  • 8051 series Microcontroller
  • Transformer
  • PIR sensor
  • Motor with sliding door
  • Motor Driver IC
  • Diodes
  • Resistors
  • Capacitors
  • Crystal
  • Transistor
Software Requirements
  • Keil Compiler
  • Language: Embedded C Or Assembly
Q & A
Q:  What is the family of microcontroller used?
A:  Here a 40 pin microcontroller from 8051 family is used.
Q:  What is PIR?
A:  A PIR sensor(passive infrared sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.
Q:  How is a door demonstrated in this project?
A:  CD loader is used as a sample used to demonstrate an actual door.
Q:  Where is it used?
A:  It is used at shopping mall, theaters, hotels, where automatic door opening is required
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