MICROCONTROLLER BASED FIRE MICROCONTROLLER BASED FIRE FIGHTING ROBOTFIGHTING ROBOT

ABSTRACTABSTRACT

The object of this project is The object of this project is

IN OUR PROJECT WE DESIGNED A PROTOTYPE TO DETECT FIRE AND EXTINGUISH THE FIRE WITH

THE HELP OF WATER SPRINKLER

PROJECT OVER VIEWPROJECT OVER VIEW

BLOCK DIAGRAMBLOCK DIAGRAM

SMOKEDETECTOR

SMOKEDETECTOR

AT89S52AT89S52

Power Supply

+9 V & +5 V

Power Supply

+9 V & +5 V

VISUAL

INDICATORVISUAL

INDICATOR

WATER

SPRINKLLER

WATER

SPRINKLLER

Project ExplanationProject Explanation

► BRAIN OF THE PROJECT IS MICROCONTROLLER.BRAIN OF THE PROJECT IS MICROCONTROLLER.

► IT INTERFACE WITH SMOKE DETECTOR AND IT INTERFACE WITH SMOKE DETECTOR AND OUTPUT.OUTPUT.

► DETECTOR GIVES SIGNAL TO PORT3 OF MC.DETECTOR GIVES SIGNAL TO PORT3 OF MC.

► IT PERFORM 4 ACTIONS.IT PERFORM 4 ACTIONS.

POWER SUPPLYPOWER SUPPLY

Power supply typesPower supply types

Linear power supply.Linear power supply.

simple design that becomes increasingly bulky and simple design that becomes increasingly bulky and heavy for high current devices .heavy for high current devices .

switching power supply.switching power supply.

ItIt is usually more efficient, but will be more complexis usually more efficient, but will be more complex..

LINEAR POWER SUPPLYLINEAR POWER SUPPLY

► TRANSFORMERTRANSFORMER

► RECTIFIERRECTIFIER

► CAPACITORSCAPACITORS

► LEDLED

► RPSRPS

AT89S52 MCAT89S52 MC

► Architecture – 8051 basedArchitecture – 8051 based

► 8-bit Microcontroller 8-bit Microcontroller

► 8K Bytes In-System Programmable Flash8K Bytes In-System Programmable Flash

FeaturesFeatures

► Fully Static Operation: 0 Hz to 33 MHz Fully Static Operation: 0 Hz to 33 MHz ► 4.0V to 5.5V Operating Range 4.0V to 5.5V Operating Range ► 256 x 8-bit Internal RAM 256 x 8-bit Internal RAM ► Full Duplex UART Serial ChannelFull Duplex UART Serial Channel► Fast Programming Time Fast Programming Time ► Eight Interrupt Sources Eight Interrupt Sources ►Dual Data Pointer Dual Data Pointer ► Three 16-bit Timer/Counters Three 16-bit Timer/Counters

DescriptionDescription

The AT89S52 is a powerful microcontroller The AT89S52 is a powerful microcontroller which provides a highly-flexible and cost-which provides a highly-flexible and cost-effective solution to many embedded control effective solution to many embedded control applications.applications.

The device is manufactured using Atmel’s The device is manufactured using Atmel’s high-density nonvolatile memory technology high-density nonvolatile memory technology and is compatible with the industry - and is compatible with the industry - standard 80C51 instruction set and pin out. standard 80C51 instruction set and pin out.

PIN CONFIGURATIONPIN CONFIGURATION

PIN DESCRIPTIONPIN DESCRIPTION

► VCCVCC► GNDGND► Port 0Port 0► Port 1Port 1► Port 2Port 2► Port 3Port 3► RSTRST► ALE/PROGALE/PROG► PSENPSEN► EA/VPPEA/VPP► XTAL1,XTAL2XTAL1,XTAL2

SMOKE DETECTORSMOKE DETECTOR

► Make – MOSDESIGN SEMICONDUCTOR CORP.Make – MOSDESIGN SEMICONDUCTOR CORP.

► This device can be used in conjunction with an This device can be used in conjunction with an infrared photoelectric chamber to sense scattered infrared photoelectric chamber to sense scattered light from smoke particles. light from smoke particles.

FEATURESFEATURES

► Interconnect up to 50 detectors.Interconnect up to 50 detectors.► Piezoelectric horn driver.Piezoelectric horn driver.► Power-on reset.Power-on reset.► Built-in circuits to reduce false Built-in circuits to reduce false

triggering.triggering.► 6V to 12V operating voltage range.6V to 12V operating voltage range.► ESD-Protection circuitry on all pins.ESD-Protection circuitry on all pins.► Temporal horn pattern.Temporal horn pattern.

PIN CONFIGURATIONPIN CONFIGURATION

LIGHT EMITING DIODELIGHT EMITING DIODE

► FUNCTIONFUNCTION

LED IS A SEMI CONDUCTOR LED IS A SEMI CONDUCTOR DIODE THAT EMITS LIGHT DIODE THAT EMITS LIGHT WHEN AN ELECTRIC WHEN AN ELECTRIC CURRENT IS APPLIED IN CURRENT IS APPLIED IN FORWARD DIRECTION OF FORWARD DIRECTION OF THE DEVICE.THE DEVICE.

Circuit symbol

Physical appearance

TECHNOLOGYTECHNOLOGY

DC MOTORDC MOTOR