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.pptx  remote control home appliances.pptx (Size: 1.72 MB / Downloads: 992)


Embedded systems are finding increasing applications

Micro controllers form the basic building blocks for many embedded systems.

The project deals with the development of infrared remote controller of home appliances using Atmel AT89S52 micro controller.

The project is a combination of wireless infrared communication and the embedded systems.
Post: #2

.docx  Remote Controlled Electronic Switching System.docx (Size: 77.87 KB / Downloads: 410)
We propose to install a system that shall enable an electronic switching device
interfaced with a computer to be controlled remotely using a smart device. A
client running on the user's computer would connect to a central server, over
an Internet connection. The user could then use a HTTP/WAP protocol from
a smart device to connect to the central server, and issue requests to control his
In this report I explain the methodology that this system has adopted to tackle the issue. We also explain
the security considerations that we have focused on while designing the custom client server protocols. In the end, we conclude with possible enhancements in the project that might take us to a whole new world of remotely operated gadgets in every home.
Computers and the related technologies are becoming more and more ubiquitous.
Various technical arenas in the _eld of Computer Science and Engineering,
or Information Technology have come very near to the common people. The
number of homes with Personal Computers1 is gradually increasing. A day will
come, somewhere in the long future, when PC is referred to in the same class
of \Food, clothing and shelter". Improvements in the Networking technologies
have fostered growth of very dense networks. Land line telephones have been
becoming less and less popular and people now prefer communicating while on
the move. ISPs are now laying down their own networks to provide broadband
Internet access to customers.
When people have a good connectivity at their disposal, with tremendous
power of mobile computing to supplement the same, we can think of \connecting
their home appliances to the mobile phone". With this, people would be able
to turn on and o_, and to some extent, control the appliances at their home
even from a distant place. One of the very basic examples of an utility of this
is { switching on the air conditioner in the room just some time before reaching
home, so that the room is su_ciently cool by then.
Post: #3
i want to get information about this topic
Post: #4
plz give me project reprt

for this topicc
Post: #5
visit these threads for some related topics:
Post: #6
please give me full project report on this topic.
Post: #7
to get information about the topic"REMOTE CONTROL HOME APPLIANCES" refer the link bellow
Post: #8
to get information about the topic wireless control of home appliances/sms based control of home appliances full report ,ppt and related topic refer the link bellow
Post: #9

.docx  report1.docx (Size: 2.21 MB / Downloads: 94)


“REMOTE CONTOL FOR HOME APPLIANCE” provides a unique method to control high powered devices easily. It could be implemented in firms, hospitals as well as homes to ensure safe wireless control over devices.

Thanks to the advancement in the field of electronics, where most of the manually controlled systems are getting replaced with sophisticated electronic circuits. Specially designed electronic circuits can be developed control high powered as well as low powered devices. The technology used here is the infrared wave communication.

The discovery of infrared radiation is ascribed to William Herschel, the astronomer, in the early 19th century. Herschel published his results in 1800 before the Royal Society of London. Herschel used a prism to refract light from the sun and detected the infrared, beyond the red part of the spectrum, through an increase in the temperature recorded on a thermometer. He was surprised at the result and called them "Calorific Rays". The term 'Infrared' did not appear until late in the 19th century.
Infrared light lies between the visible and microwave portions of the electromagnetic spectrum. Infrared light has a range of wavelengths, just like visible light has wavelengths that range from red light to violet. "Near infrared" light is closest in wavelength to visible light and "far infrared" is closer to the microwave region of the electromagnetic spectrum. The longer, far infrared wavelengths are about the size of a pin head and the shorter, near infrared ones are the size of cells, or are microscopic.


In modern electronics, electronics remote control system is well known system. Infrared remote control kits available in the market are quite expensive and it some one wishes to assemble one, their IC’s may not be easily available. More over for simple ON-OFF function such as controlling a lamp or fan we do not need very complex circuit.
The IR remote control circuit using photodiode and phototransistor sensor suffer from major drawback of being affected by ambient light and a very low range.The IR remote control circuit described here can be used for any simple ON-OFF function. This system has memories application than other remote control system.

A remote control is a component of an electronics device, most commonly a television set, used for operating the television device wirelessly from a short line-of-sight distance.
The remote control can be contracted to remote or controller. It is known by many other names as well, such as converter clicker, flipper, the tuner, the changer, or the button. Commonly, remote controls are Consumer IR devices used to issue commands from a distance to televisions or other consumer electronics such as stereo systems, DVD players and dimmers. Remote controls for these devices are usually small wireless handheld objects with an array of buttons for adjusting various settings such as television channel, track number, and volume. In fact, for the majority of modern devices with this kind of control, the remote contains all the function controls while the controlled device itself only has a handful of essential primary controls. Most of these remotes communicate to their respective devices via infrared (IR) signals and a few via radio signals.


CD4017 is a 5 stage divide by 10 Johnson counter with 10 decoded outputs and a carry out bit. This counter is cleared to these zero count, by a logical “1” on their reset line. These counters are advanced on the positive edge of the clock signal when the clock enable signal is in the logical “0” state.
Post: #10

.doc  REMOTE CONTROL FOR HOME APPLIANCES.doc (Size: 46 KB / Downloads: 46)
Connect this circuit to any of your home appliances (lamp, fan, radio, etc) to make the appliance turn on/off from a TV, VCD or DVD remote control. The circuit can be activated from up to 10 metres.
The 38kHz infrared (IR) rays generated by the remote control are received by IR receiver module TSOP1738 of the circuit. Pin 1 of TSOP1738 is connected to ground, pin 2 is connected to the power supply through resistor R5 and the output is taken from pin 3. The output signal is amplified by transistor T1 (BC558).
The amplified signal is fed to clock pin 14 of decade counter IC CD4017 (IC1). Pin 8 of IC1 is grounded, pin 16 is connected to Vcc and pin 3 is connected to LED1 (red), which glows to indicate that the appliance is ‘off.’
The output of IC1 is taken from its pin 2. LED2 (green) connected to pin 2 is used to indicate the ‘on’ state of the appliance. Transistor T2 (BC548) connected to pin 2 of IC1 drives relay RL1. Diode 1N4007 (D1) acts as a freewheeling diode. The appliance to be controlled is connected between the pole of the relay and neutral terminal of mains. It gets connected to live terminal of AC mains via normally opened (N/O) contact when the relay energises.

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