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Wednesday, May 27, 2009

AUTOMATIC BUS TIMING INDICATION AND DEPARTURE CONTROL

AUTOMATIC BUS TIMING INDICATION AND DEPARTURE CONTROL
Often, a bus passenger does not have sufficient information of the time of departure of the bus. In order to provide a solution for this, each bus can be fitted with a module that displays the time of departure of the bus as well as its next destination before hand, for the convenience of passengers.
The time schedule for the entire day is stored in a microcontroller and the relevant information is displayed automatically and at the appropriate time (based on a real time clock) without requiring any sort of control by the driver or conductor. Not only this, the departure time of the bus is controlled by this module, which controls the ignition circuit of the bus. This module connects it at the scheduled time already stored in the microcontroller. This prevents the driver from starting the bus before the scheduled time and it also helps to prevent unwanted wastage of fuel.
The circuit consists of two important modules viz. timer module, and display module The two modules are used to display the real time and passenger information relating to the departure time as well as the destination.
The two modules are controlled by two microcontrollers (ATMEGA 8L), which are programmed to display the real time and relevant information at the appropriate time, based on the time schedule of the bus.

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