Vehicle tracking system using GSM and GPS

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Text of Vehicle tracking system using GSM and GPS

  • 1.REAL TIME VEHICLE TRACKING SYSTEM Using GPS and GSM

2. 230 to 12 V Step Down Transformer AT89S52 c MAX232 GSM Modem GPS Modem 16x2 LCD Display Relay Block Diagram: 3. Power Supply 4. Transformer(12-0-12)V : i) Step down ii) 0-9V with 500mA Rectifier: => Bridge Rectifier => Bidirectional to unidirectional 5. Voltage Regulator: 7805 for 5V constant DC Filter: => Capacitor of 1000F and 25/50V 6. AT89S52 Microcontroller: A T 8 9 S 5 2 7. Features: o Compatibility with the MCS 51 family o 8-bit CPU frequency up to 33MHz; o RAM: 256 Bytes o Flash memory: 8K Bytes o 3 timers / counters of 16 bits; o Two data pointers o 1 serial port (full duplex UART) o supports up to 10 000 rewrites o contains the oscillator; o Short programming time. 8. GPS and GSM 9. GPS 10. To Find location by using Latitude and Longitude data Why we use GPS ? Features of GPS: 24 Satellites at different orbits Revolve around Earth twice a day For a 2D location, 3 GPS Satellites are used For a 3D location, more than 3 Satellites are used 11. How it Works ? Triangulation Augmentation 12. A GPS Signal contains three different bits of information (1).Pseudo random code (2).Ephemeris data (3).Almanac data THE SIGNAL 13. BASIC CONCEPTS OF GPS Receivers require clear line-of-sight; thus, they will not work indoors or where tall objects obscure the sky 14. GSM 15. IC MAX232: MAX232 IC is used to convert the TTL/CMOS logic levels to RS232 logic levels during serial communication of microcontrollers with PC The controller operates at TTL logic level (0-5V) whereas the serial communication in PC works on RS232 standards (-25 V to + 25V) 16. Schematic Diagram 17. APPLICATIONS: Stolen vehicle recovery . Field service management. It is used for food delivery and car rental companies. ADVANTAGES: It provides more security than other system. From the remote place we can access the system. 18. Thank You