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1. Advanced low cost voice recognition based smart home/office
automation using android
Abstract:
Now a day’s so many useful technologies are coming out to make our life style more comfort,
luxurious and secure.
Especially in mobile field so many application are being developed to give us more information
and entertainment .this project is designed with combination of two latest and most demanding
technologies that are Android and Embedded Systems
Android is a Linux based operating system designed primarily for mobile devices and it is a open
source .There are so many applications are already developed on Android and many applications
are being developed at free of cost for its users .
We can also develop our own customized applications with free of cost or with minimum cost
according to our requirements.
In this project we are using an application to control electrical appliances like fan, lights and
water pump motors in home or office with voice recognition. Whenever we operate this
application, it will wait for voice input for some time and sends recognized voice commands to
our controlling system through blue tooth.
At controlling system side we have Bluetooth module, micro controller and load controlling
circuits. Whenever this blue tooth module receives command from android application then it
transfers this command to micro controller. Micro controller will control the respective loads
depends upon the command it received
This is very safe and secure and also we can control many loads without getting confused by
adding specific names for each load.
BLOCK DIAGRAM:
Bluetooth module
Software Tools:
 KEIL IDE for developing micro controller code
M
I
C
R
O
C
O
N
T
R
O
L
L
E
R
RESETRESET
CRYSTAL
OSCILLATOR
CRYSTAL
OSCILLATOR
TRIAC
DRIVER
TRIAC
DRIVER
TRIAC
DRIVER
TRIAC
DRIVER
TRIAC
DRIVER
TRIAC
DRIVER
TRIAC
DRIVER
TRIAC
DRIVER
TRIACTRIAC
TRIACTRIAC
TRIACTRIAC
TRIACTRIAC
 ORCAD for designing schematics
 PROLOAD or FLASH MAGIC for dumping the hex file into controller
 Eclipse for developing Android application
Hardware Tools:
 AT89S52 Micro controller.
 MOC3021 for driving TRIACs.
 BT136 for controlling AC loads.
 Blue tooth module
 Regulated +5v Power supply.
Advantages:
 No need of separate remote or switch boards for controlling electrical appliances
 Protection from shock while operating
 Easy to use, children, old aged people, physically challenged people can also operate
Applications:
 Office automation
 Home automation
 Machines controlling system in industry
 Door access control system
 Useful for blind people and bed ridden patients
advanced low cost voice recognition based smart home automation using android

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advanced low cost voice recognition based smart home automation using android

  • 1. 1. Advanced low cost voice recognition based smart home/office automation using android Abstract: Now a day’s so many useful technologies are coming out to make our life style more comfort, luxurious and secure. Especially in mobile field so many application are being developed to give us more information and entertainment .this project is designed with combination of two latest and most demanding technologies that are Android and Embedded Systems Android is a Linux based operating system designed primarily for mobile devices and it is a open source .There are so many applications are already developed on Android and many applications are being developed at free of cost for its users . We can also develop our own customized applications with free of cost or with minimum cost according to our requirements. In this project we are using an application to control electrical appliances like fan, lights and water pump motors in home or office with voice recognition. Whenever we operate this application, it will wait for voice input for some time and sends recognized voice commands to our controlling system through blue tooth. At controlling system side we have Bluetooth module, micro controller and load controlling circuits. Whenever this blue tooth module receives command from android application then it transfers this command to micro controller. Micro controller will control the respective loads depends upon the command it received This is very safe and secure and also we can control many loads without getting confused by adding specific names for each load.
  • 2. BLOCK DIAGRAM: Bluetooth module Software Tools:  KEIL IDE for developing micro controller code M I C R O C O N T R O L L E R RESETRESET CRYSTAL OSCILLATOR CRYSTAL OSCILLATOR TRIAC DRIVER TRIAC DRIVER TRIAC DRIVER TRIAC DRIVER TRIAC DRIVER TRIAC DRIVER TRIAC DRIVER TRIAC DRIVER TRIACTRIAC TRIACTRIAC TRIACTRIAC TRIACTRIAC
  • 3.  ORCAD for designing schematics  PROLOAD or FLASH MAGIC for dumping the hex file into controller  Eclipse for developing Android application Hardware Tools:  AT89S52 Micro controller.  MOC3021 for driving TRIACs.  BT136 for controlling AC loads.  Blue tooth module  Regulated +5v Power supply. Advantages:  No need of separate remote or switch boards for controlling electrical appliances  Protection from shock while operating  Easy to use, children, old aged people, physically challenged people can also operate Applications:  Office automation  Home automation  Machines controlling system in industry  Door access control system  Useful for blind people and bed ridden patients