07-11-2014, 09:18 AM
Abstracts: System consists of IR – transmitter & receiver. Microcontroller will get single pulse on every revolution of the wheel. So based on the no of pulses by some formulas, microcontroller will calculate speed, kilometers & revolution per minute. Car Ignition will be controlled using a relay circuit. Relay will be switched ON when user enters correct password. In case of wrong password, it will generate an alarm signal and send a sms to the owner. If owner wants, he/she can save the car from unauthenticated use. System also contains the vehicle tracking circuit. It has a GPS receiver, which will get signals from satellite and calculate latitude, longitude, date, time and send this information to the owner at regular time interval. If Our vehicle is stolen then user can control his vehicle by sending the message by his mobile to the GSM modem which is situated within the vehicle by receiving this massage GSM modem will send the OFF signal to the relay which is connected to the power supply of the vehicle due to that the vehicle will off by power off the battery.