Voice controlled home appliances

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Voice Controlled Home Appliances


Voice Controlled Home Appliances Introduction ďƒ˜ Home automation control system (HACS) is a concept a lot of work has done in this field and many solutions has proposed. ďƒ˜ Home automation deals with providing a network in the house which links. ďƒ˜ It is used in internet and wireless technology to communicate and control the appliances.

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Voice Controlled Home Appliances Why Home Automation ?  Security system knows all about your occupancy of the house. With a little more development it can build an intelligent ‘expert system’ to predict your usage.  By linking just these two you could achieve a reduction in fuel costs and a better match to your requirements.  A home automation system can be controlled via a remote and/or with home computers, iPads, iPhones, and smart phones.

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Voice Controlled Home Appliances Types of a home automation control system  PC-based system: Requires a PC to be running at all times.  Dedicated PC  Shared PC  Standalone system: Runs without a PC, although may use a PC for programming.  Hybrid system: Runs without a PC, but uses PC to add more function.

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Voice Controlled Home Appliances Functional Description  Inputs  Voice Commands  Key Presses (User Responses to Menu)

 Outputs  User Interface Menu Via LCD Screen  Speaker Queuing User To Say Command Word

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Voice Controlled Home Appliances General Working

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Voice Controlled Home Appliances Hardware Implementation  In this section will discuss on the hardware used in the implementation of this system that include the  ULN2003 IC chip  Microcontroller  voltage regulator  the relay for interfacing  In this section will discuss on the hardware used in the implementation of this system that include the AT89S52, ULN 2003, voltage regulator and the relay for interfaces. http://www.edgefxkits.com/


Voice Controlled Home Appliances

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Voice Controlled Home Appliances RS 232 interface serial communications 12

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Voice Controlled Home Appliances RS-232 Specifications  The standard is simply concerned with serial data communication between the computer which has the voice recognition software and the hardware kit.    

Cabling Number of Devices Communication Mode Data Rate (max)

: : : :

Single-ended 1 transmit, 1 receive Full duplex 1Mbps

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Voice Controlled Home Appliances Power Supply ďƒ˜ In the power supply section we use one step down transformer to step down the voltage from 220 volt ac to 9 volt dc since the operating voltage for the ULN2003 relay driver is 9v . ďƒ˜ Output of the transformer is further connected to the two diode circuit.

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Voice Controlled Home Appliances Applications  Turning lights down / off at night.  Operating outside lights  Turning lights or radio on / off when someone approaches the house, simulating occupancy  Operating television, hot water heater, kettle, toaster etc. ready for your use.  Optimizing use of low cost electricity.  Working with intelligent electrical white goods e.g. washing machine, fridge, microwave etc. http://www.edgefxkits.com/


Voice Controlled Home Appliances Advantages  Flexibility & Convenience  Security  Cost Saving  Security  Remote Control

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Voice Controlled Home Appliances Conclusion  Controlling home appliances with voice technology has revolutionized our way of living.  Wireless Technology used in this system is complex.  It is the location independent system being GSM available for the ease of user.  In future many more features can be added in it like home appliances can be controlled by using voice call by implementing more secure and efficient techniques.

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Railway Track Security by GSM With User Programmable Number Features

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