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PROJECT DESCRIPTION

The main aim of the project is to control home applications remotely by using Android-OS-based smartphone. This is an advanced technology in the home automation. Usually conventional wall switches are located in different corners of a house and, thus necessitate the need of manual operations like pressing to turn the loads on or off. It becomes very difficult for the elderly or physically handicapped people to operate them.

Thus, the proposed system is enhanced to control home applications through an Android-based application of smartphones or tables that offers the provision for entering the selected numbers for operating the corresponding load.

This proposed system works with an 8051 microcontroller and a rectified power supply. A Bluetooth is interfaced to the microcontroller using Rx and Tx pins for communication. The electrical loads are controlled by the TRIAC device, which is connected to the microcontroller through opto-isolator. An Opto-coupler is connected to trigger back-to-back SCRs or (TRIACS) to isolate the control section.

Once an owner connects an Android application device to this system through a Bluetooth, then the owner can send the control signals through the Bluetooth. The owner can also enter the selected option on the Android application through the GUI for corresponding loads, and the data is sent to the microcontroller. The received data is compared with the stored data in the microcontroller and, if it matches, then the microcontroller performs the corresponding operation for controlling loads.

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The main aim of the project is to control home applications remotely by using Android-OS-based smartphone. This is an advanced technology in the home automation. Usually conventional wall switches are located in different corners of a house and, thus necessitate the need of manual operations like pressing to turn the loads on or off. It becomes very difficult for the elderly or physically handicapped people to operate them.

Thus, the proposed system is enhanced to control home applications through an Android-based application of smartphones or tables that offers the provision for entering the selected numbers for operating the corresponding load.

This proposed system works with an 8051 microcontroller and a rectified power supply. A Bluetooth is interfaced to the microcontroller using Rx and Tx pins for communication. The electrical loads are controlled by the TRIAC device, which is connected to the microcontroller through opto-isolator. An Opto-coupler is connected to trigger back-to-back SCRs or (TRIACS) to isolate the control section.

Once an owner connects an Android application device to this system through a Bluetooth, then the owner can send the control signals through the Bluetooth. The owner can also enter the selected option on the Android application through the GUI for corresponding loads, and the data is sent to the microcontroller. The received data is compared with the stored data in the microcontroller and, if it matches, then the microcontroller performs the corresponding operation for controlling loads.

PROJECT HIGHLIGHTS
Remote load switching @ ZVS point.
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
×
Remote load switching @ ZVS point.
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • 8051 series Microcontroller
  • Transformer
  • Opto-isolator
  • TRIAC
  • Voltage Regulator
  • Crystal
  • Diodes
  • Resistors
  • Capacitors
  • Lamps
  • Push Button
  • Bluetooth Device
×
  • 8051 series Microcontroller
  • Transformer
  • Opto-isolator
  • TRIAC
  • Voltage Regulator
  • Crystal
  • Diodes
  • Resistors
  • Capacitors
  • Lamps
  • Push Button
  • Bluetooth Device
Software Requirements
  • Keil compiler
  • Languages: Embedded C or Assembly
  • Android Application
×
  • Keil compiler
  • Languages: Embedded C or Assembly
  • Android Application
Q & A
Q:  What is home automation?
A:  Activating the home appliances without conventional switch but by using a smart phone is known as home automation.
Q:  Is it possible to replace lamps to any home loads like T.V. Fridge etc.?
A:  Yes, it is possible to replace lamps to any home loads like TV, Fridge, but load limit is up to 200 W.
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
Q:  Which type of smart phone is used to operate this project?
A:  Any mobile phone which has Android OS is used in this project.
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