Voice-Controlled Smart Wheelchair using STM32 and Bluetooth
Wireless assistive mobility system with speech-based control
Project Overview
This project developed a voice-controlled wheelchair using an STM32 microcontroller integrated with a Bluetooth HC-05 module for wireless communication. The system enables users to control wheelchair movement via simple voice commands delivered through an Android application, enhancing accessibility and mobility for individuals with physical impairments.
Key Features
🎤 Speech-Based Control: Forward, backward, left, right, and stop commands via voice input
📡 Wireless Communication: Android app connected through Bluetooth HC-05
⚙️ STM32 Microcontroller Integration: Real-time command processing and motor control
🛠️ Motor Driver Implementation: Smooth and reliable motion control system
Research Contributions
Designed a microcontroller-based control system for assistive mobility devices
Integrated Bluetooth wireless communication for voice command transfer
Developed real-time processing logic in STM32 to map voice commands into motor actions
Technical Achievements
Built a functional prototype demonstrating reliable voice-driven mobility
Verified real-time responsiveness of STM32 under asynchronous wireless input
Demonstrated scalable design adaptable for broader assistive technology applications
Applications
Assistive Technology: Enhancing mobility for individuals with disabilities
Smart Robotics: Incorporating speech interfaces for human–machine interaction
Healthcare & Rehabilitation Devices: Improving independence and accessibility
Impact and Recognition
This project showcased hands-on expertise in embedded systems, wireless communication, and human–machine interfaces, with strong implications for accessibility-focused innovation.