1. MICROCONTROLLER BASED FIRE FIGHTING ROBOT

2. ABSTRACT 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

3. PROJECT OVER VIEW

4. BLOCK DIAGRAM SMOKE DETECTOR SMOKE DETECTOR AT89S52 Power Supply +9 V & +5 V Power Supply +9 V & +5 V VISUAL INDICATOR VISUAL INDICATOR WATER SPRINKLLER WATER SPRINKLLER

5. Project Explanation ► BRAIN OF THE PROJECT IS MICROCONTROLLER. ► IT INTERFACE WITH SMOKE DETECTOR AND OUTPUT. ► DETECTOR GIVES SIGNAL TO PORT3 OF MC. ► IT PERFORM 4 ACTIONS.

6. POWER SUPPLY

7. Power supply types  Linear power supply. simple design that becomes increasingly bulky and heavy for high current devices. simple design that becomes increasingly bulky and heavy for high current devices.  switching power supply. It is usually more efficient, but will be more complex. It is usually more efficient, but will be more complex.

8. LINEAR POWER SUPPLY ► TRANSFORMER ► RECTIFIER ► CAPACITORS ► LED ► RPS

9. AT89S52 MC ► Architecture – 8051 based ► 8-bit Microcontroller ► 8K Bytes In-System Programmable Flash

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

11. Description  The AT89S52 is a powerful microcontroller which provides a highly-flexible and cost- effective solution to many embedded control applications.  The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry - standard 80C51 instruction set and pin out.

12. PIN CONFIGURATION

14. PIN DESCRIPTION ► VCC ► GND ► Port 0 ► Port 1 ► Port 2 ► Port 3 ► RST ► ALE/PROG ► PSEN ► EA/VPP ► XTAL1,XTAL2

15. SMOKE DETECTOR ► Make – MOSDESIGN SEMICONDUCTOR CORP. ► This device can be used in conjunction with an infrared photoelectric chamber to sense scattered light from smoke particles.

16. FEATURES ► Interconnect up to 50 detectors. ► Piezoelectric horn driver. ► Power-on reset. ► Built-in circuits to reduce false triggering. ► 6V to 12V operating voltage range. ► ESD-Protection circuitry on all pins. ► Temporal horn pattern.

17. PIN CONFIGURATION

19. LIGHT EMITING DIODE ► FUNCTION LED IS A SEMI CONDUCTOR DIODE THAT EMITS LIGHT WHEN AN ELECTRIC CURRENT IS APPLIED IN FORWARD DIRECTION OF THE DEVICE. Circuit symbol Physical appearance

20. TECHNOLOGY TECHNOLOGY

21. DC MOTOR