BLOCK DIAGRAM
Working
Procedure
- Switch on the power supply.
- This project uses two power supplies; one
is regulated 5V for modules.
- 7805 three terminal voltage regulator is
used for voltage regulation.
- 7812 three terminal voltage regulator is
used for operating DC motor through relay.
- Bridge type full wave rectifier is used to
rectify the ac output of secondary of 230/12V step down transformer.
- Here we are using AT89S52 controller as a
control unit.
- We are using a pair if IR transmitter,
receiver pair to track the particular school zone and automatically reduce
the vehicle speeds.
- This information will be displayed on
16X2 LCD.
- At
each and every speed limiting zone it is placed with IR transmitter and
vehicle consists of a receiver to track and automatically reduce the speed
limit in vehicles.
- Once it crosses the particular area
automatically it gains normal speed. We are using a DC motor for symbolic
representation of vehicle.