The
main aim of this project is to design and construct a voice enabled device switching
system for physically challenged and also to alert using GSM modem. User can
also with the help of voice recognition system. This device is very helpful for
paralysis and physically challenged persons. This project makes use of a Relay
for switching the devices and voice recognition chip for recognition of the
audio announcements and Micro controller, which is programmed, with the help of
embedded C instructions. This micro controller is capable of communicating with
all input and output modules. The voice recognition system which is the input
module to the micro controller takes the voice instruction given by the user as
input and the controller judges whether the instruction is ON \OFF the device,
and according to the users voice the switching mechanism controls the devices.
An alerting the status of the device is displayed on LCD.
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