Voice Controlled Home Automation in Unlicensed Bands

M.Veerabhadra Rao, D.Ganesh Manikanta, M.Saketh Ram, B.Naga Gopi


 This paper presents the design of the low cost voice recognition based home automation system for the physically challenged people suffering from quadriplegia or paraplegia (who cannot move their limbs but can speak and listen) to control the various home appliances  just by the voice commands according to their need and comfort. The proposed system consists of a voice recognition module,  microcontroller, relay circuit. The voice recognition module needs to be trained first before it can be used to recognize commands This study focused to automate the home appliances using the Bluetooth short range communication in unlicensed band 2.4GHZ (IEEE 802.11) Sending the command signals using Android Bluetooth. Upon successful recognition of voice and text  command  the corresponding load with the help of the relay circuit.  The accuracy of voice recognition module is also measured in different conditions. The experimental results validate the functions of the proposed system. The results show the system can provide great assistant to the physically challenged people without any third person’s assistances.

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