Design of Voice-Controlled Smart Wheelchair for Physically Challenged Persons

Physically challenged persons those who are suffering from different physical disabilities face many challenging problems in their day-to-day life for commutating from one place to another and even sometimes they need to have to be dependent on other people to move from one place to another. There have been many significant efforts over the past few years to develop smart Wheelchair platforms that could enable the person for its ease of operation without any ambiguity. The main aim of our paper is to develop the smart Wheelchair to make the life easier for physically challenged persons. This voice-controlled smart Wheelchair comes with enhanced features, like electric powered, voice control, line follower with the obstacle avoidance etc. The smart Wheelchair control unit consists of an integration of AVR microcontroller ATmega328 with Bluetooth module, GSM module SIM900, ultrasonic and infrared sensors, temperature sensor LM35 and motor driving circuit for controlling motor’s speed.

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