Speed Checker with High Speed Alert System for High-ways

Abstract

Over speed is a significant factor in serious road accidents. The statistics or a newspaper always high-lighted with an increasing accidents on road which is a major headache for traffic police and Transport department people to control and Road safety authorities around the world always conduct various awareness programs or campaigns and advertise regarding over speed and  One counter measure that is gaining increasing attention is the use in-vehicle technology to assist drivers keep to speed limits or even prevent the vehicle from exceeding speed limits on all roads at all times.

In this project using IR sensors by using this sensor to detect the Vehicle speed and send to the Controller. LCD will indicate different speed levels.  The Vehicle speed status will be displayed on LCD as for the Speed levels (Normal Speed, Speed level1, Speed level2 and Speed level3). When vehicle goes high speed it will indicate on LCD as Speed level 3 and it will activate buzzer with flash light and siren. A buzzer is provided for audio indication of Vehicle speed. Whenever the speed is increased / decreased, the system acknowledges by a short beep. This buzzer is driven by transistor driver circuit.

The LCD we are using is 16X2 LCD which display the speed level of the Vehicle. LED indication is also provided for visual indication.

This project uses regulated 5V, 500mA & 12V, 500mA power supply. 7805 and 7812 three terminal voltage regulators are used for voltage regulation. Bridge type full wave rectifier is used to rectify the ac out put of secondary of 230/12V step down transformer.

block diagram

 

 

Abstract

 

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