Excerpt
Inhalt
LIST OF FIGURES
LIST OF TABLES
CHAPTER 1
1.1 BLOCK DIAGRAM
1.2 ABOUT BARILLE
1.3 BRAILLE STRUCTURE
1.4 IMPORTANCE OF BRAILLE
1.5 BRAILLE IN DAY TO DAY LIFE
1.6 BRAILLE SYMBOLS
1.6.1 THE BRAILLE ALPHABET
CHAPTER 2 LITERATURE SURVEY
CHAPTER 3 HARDWARE DESCRIPTION
3.1 Raspberry Pi 3 Model B
3.1.1 PINDIAGRAM
3.2 SOLENOID ACTUATOR
3.3 TRANSISTOR TIP122
3.4 DIODE 1N4007
3.5 RESISTOR 1K
CHAPTER 4 POWER SUPPLY DESCRPITION
4.1 7812 REGULATOR
4.2 CAPACITOR 470uF
4.3 TRANSFORMER
4.4 REGULATED POWER SUPPLY WORKING
4.4.1 THE POSITIVE HALF-CYCLE
4.4.2 THE NEGATIVE HALF-CYCLE
CHAPTER 5
5.1 CIRCUIT DIAGRAM OF CONTROL UNIT
5.2 CIRCUIT EXPLANATION
5.2.1 OPEN CIRCUIT CONDITION OF SOLENOID ACTUATOR
5.2.2 CLOSED CIRCUIT CONDITION OF SOLENOID ACTUATOR
5.3 CIRCUIT DIAGRAM OF POWER SUPPLY
5.3.1 IC 7812
5.3.2 CAPACITOR
CHAPTER 6 TEXT TO VOICE SYTHESIS
6.1 INTRODUCTION
6.2 SOFTWARE PACKAGES
6.2.1 FESTIVAL
6.2 2 FLITE
6.2.3 Espeak
6.3 AUDIO CONFIGURATION
6.3.1 DESKTOP VOLUME CONTROL
6.3.2 COMMAND LINE
6.3.3 RASPI-CONFIG
6.4INSTALLATION FLITE PACKAGAE
CHAPTER 7 TECHNICAL CHANLLENGES ENCOUNTERED DURING THE BRAILLE SYSTEM DESIGN
7.1 POWER SUPPLY DESIGN
7.2 BRAILLE CHARACTER SIZE
7.3 ADVANTAGES OF THE BRAILLE KIT
CONCLUSION
APPENDIX
REFERENCE
- Quote paper
- Saranya Karunamurthi (Author), 2018, Braille Learning System using Raspberry Pi, Munich, GRIN Verlag, https://www.grin.com/document/440197
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