The project is designed to
control a robotic vehicle by voice commands for remote operation. An 8051
series of microcontroller is used together with a speech recognition module for
the desired operation.
At the transmitting end using
push buttons or voice commands are sent by RF to the receiver to control the
movement of the robot either to move forward, backward and left or right etc.
At the receiving end two motors are interfaced to the microcontroller where
they are used for the movement of the vehicle.
The RF transmitter can take
either switch press or voice commands which are converted to encoded digital
data for the advantage of adequate range (up to 200 meters) from the robot. The
receiver decodes the data before feeding it to another microcontroller to drive
DC motors via motor driver IC for necessary work. Further the project can be
enhanced using DTMF technology. Using this technology we can control the
robotic vehicle by using cell phone. This technology has an advantage over long
communication range as compared to RF technology.
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