Smart Wheelchair
Smart Wheelchair
CERTIFICATE
DECLARATION
ACKNOWLEDGEMENTS
PREFACE
ABSTRACT
TABLE OF FIGURES
1. INTRODUCTION
1.1 Objective
1.2 Features of Smart Wheelchair
1.3 Statistical Report
1.4 Literature Survey
1.5 Use Case Survey
1.6 Industrial Survey
1.7 Financial Survey
2. BLOCK DIAGRAM
3. MASTER CONTROLLER
3.1 Raspberry Pi
3.2 Specifications: Overview
3.3 Raspbian Operating System:
3.4 Connecting to Raspberry Pi
3.5 Connecting Raspberry Pi to a Network
3.6 Summary:
4. CONTROL MODULES
4.1 Accelerometer Module
4.2 Control by DTMF Decoder
4.3 Web control
4.4 Joystick Control
4.5 Voice Control:
4.6 Chin control
5. PERCEPTION MODULES
5.1 Sonar Module
6. UTILITIES
6.1 Battery Level Indicator
6.2 Urine Bag Indicator
7. MOVEMENT OF WHEELS
7.1 Differential drive:
7.2 Power steering drive:
8. POWER SUPPLY
8.1 For Raspberry Pi
8.2 For motors
9. MECHANICAL DESIGN
10. ANDROID APPLICATION
11. PROGRAMS
11.1 Accelerometer
11.2 Ultra-Sonic Sensors
11.3 Web Control
11.4 DTMF Control
12. MOTOR CONTROL
12.1 L293D Motor Controller and Driver
13. CIRCUIT DIAGRAM
14. PHOTO GALLERY
15. FUTURE SCOPE OF SMART WHEELCHAIR
16. CONCLUSION
17. BIBLIOGRAPHY
17.1 References
17.2 Datasheets:
18. APPENDIX
18.1 Digital Accelerometer
18.2 DTMF Decoder
18.3 MCP23017– Port Extender
18.4 Ultrasonic Ranging Module HC - SR04
18.5 Motor Controller L293D
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7. MOVEMENT OF WHEELS
7. MOVEMENT OF WHEELS
The motion of the wheels of the wheelchair can be of two types :
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