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Published on Feb 02, 2016


Noise polution is produced while applying horns in automobiles. Also it creates a lot of troubles to the human. To overcome these troubles, we have introduced a new system called Polutionless Mobile Horn System.

Each and every vehicle will have inbuilt RF transmitter and receiver. When the user presses the Horn button in the vehicle, the transmitter transmits RF signal. This signal reaches the vehicle infront of the first vehicle.

The RF receiver connected with the second vehicle receives the signal and the controlling unit(Microcontroller unit) operates the buzzer in the vehicle. Thus the driver in the second vehicle can easily hear the buzzer sound without disturbing the public.

Separate codes are transmitted for different vehicles like TW, LMV, HMV etc. The microcontroller program is written in assembly language