A Voice-Activated Mobility Wheelchair Powered by Solar Energy


Authors : Pranavi Nikam; Sanya Sharma; Aman Chavan; Saakshi Rajput; Anirudh Sharma

Volume/Issue : Volume 8 - 2023, Issue 10 - October

Google Scholar : https://tinyurl.com/5n78hb8j

Scribd : https://tinyurl.com/2uj7wuk8

DOI : https://doi.org/10.5281/zenodo.10033282

A smart wheelchair gives a person independence and ease. A smart wheelchair is a mechanically driven vehicle that can be easily operated by the user's hand for self-mobility. As a result, using the wheelchair's wheels requires less effort from the user. Additionally, this makes it possible for people who are physically or visually handicapped to go from one location to another. Only the movement of the person's hands will allow the wheelchair to travel forward, backward, left, and right, even if the person's body is completely or partially paralyzed. The wheelchair and the person can communicate wirelessly. In order to operate the experimental version of our system, a joystick that is attached to a NodeMCU transmitter is used to control the wheelchair. The wheelchair can also be controlled via voice instructions sent over Bluetooth from the Dabble smartphone application. In order to move the wheels in response to user input, the L298n motor driver needs help from the joystick signals and voice commands supplied to the receiver NodeMCU. The L298n that sits in between the microcontroller and the wheels aids in converting the voltage needed to operate the wheels.

Keywords : ESP32 Microcontroller, ESP8266 Microcontroller, NodeMCU, L298n Motor Driver, Dabble App, IR Sensor, Obstacle Detection.

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Paper Submission Last Date
31 - December - 2023

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