Home Automation using GSM and Arduino :

Main purpose is to provide the user with comfort and access to control his devices from anywhere in the world.

  The user can control his home appliances like air conditioners, fans, lights or music systems etc from anywhere in the world by just sending  a simple pre-defined SMS command to a particular number, user received the acknowledgement for his action. User can check the status whether his device is on or off at that moment. 

Automatic gates for his house or garage, IR motion sensors or smoke or fire alarms can also be added to alert the user in case of any emergency situations by SMS  and by using  GPS  it can send  SOS message to rescue teams with exact location. 

Spy Car controlled by Pc :

Radio frequency is used, through pc you establish a connection using hyper terminal and serial cable. And then through hyper terminal you can control the car`s direction and motion.

   Wireless camera is attached to the infront of this car, for spying or monitoring purposes, and an integrated mic is also located inside the camera module, so you can watch and hear the surrounding by an AV receiver.

GSM modem can be introduced and we can control its direction through sms commands, GPS for tracking , different sensors like temperature , smoke radiations etc . an android app can also be developed to control its direction and motion and even watch the video being captured by the wireless camera on the car.

Tiniest Drill

This drill is about the smallest i have ever seen. The word drill in this case is a bit of a hyperbole as it doesn’t actually do any drilling. It will however spin the drill bit upon pressing the trigger, and that’s close enough for us. Plus, who’s ever heard of a drill you can wear as a pendant? That’s pretty sweet!

hybrid energy system

hybrid system refer to a home wind or solar power system that can be connected to a national grid system,  hybrid system is many advantages over signal power generation because it combine wind, electrical, solar and photovoltaic technologies in a single one.

in many area when the wind pressure is greater in one season and solar is less, or solar is greater and wind is less, etc hybrid system is the best option for these areas, for the time when neither the wind neither the solar system are , most hybrid system provide power through batteries or engine generator using fuels such us diesel etc, if batteries low then generator provide the power.

many system are stand alone system which operate off grade, i.e not connected to any system, to store the power which is produces its advisable to purchase batteries, and a charge controller.power condition equipment , safety equipment , metering and instrumentation.

DO YOU KNOW

DO YOU KNOW 

In Turkish, the bird we call a Turkey is called "Hindi" ("from India"). In India, it's called "Peru." In Arabic, the bird is called "Greek chicken"; in Greek it's called "French chicken"; and in French it's called "Indian chicken." The bird is indigenous to none of these places.

Projectable Virtual Keyboard.

Projectables Virtual Keyboard.

The device simply projects the laser image of a keyboard onto a plane surface. Just type on that keyboard

A projection keyboard is an  input device  of a computer whereby the image of a virtual keyboard is projected onto a surface: when a some one  touches the surface covered by an image of a key, the device records the corresponding keystroke.

its was first invented by IBM engineer  in 1992,

in this keyboard a sensor is used which convert the movement of the finger into identical action by using software , in some keyboard infrared rays is used over the surface of the light , when some one tough the virtual button , infrared rays reflect from the finger of the user and back to the projector, which passed through an infrared filter and on the way is pass through a camera which measure the angel at which these infrared rays were reflected and sense back by the projector, which use a software and identify the virtual button which was press by the user. the diode used in it is infrared red laser diode and the sensor is CMOS sensor chip.

user can connect this virtual keyboard to computer by either usb or through usb port.

Request a new IP address from your ISP server

Here's how to do it in windows:
1. Click Start
2. Click run
3. In the run box type cmd.exe and click OK
4. When the command prompt opens type the following. ENTER after each new line.

ipconfig /flushdns
ipconfig /release
ipconfig /renew
exit
5. Erase your cookies in whatever browser you are using.

Frequently you will be assigned a new IP address when this happens. Sometime you will, sometimes you will not. If you are on a fixed IP address, this method will not work. If this works for you, you may want to save the above commands into a batch file, and just run it when you need it.