All about Sensor ( Proximity Sensor )

Do you know how your smart phone detect your accidental touchscreen taps when held to the ear during a call ??

During a call when you hold your phone to your ear your phone detect your accidental touchscreen taps and turn the light off . This is done by a sensor named PROXIMITY SENSOR A proximity Sensor can able to detect the presence of nearby objects without any physical contact.

This sensor emits an electromagnetic field of electromagnetic radiation and make changes in the field or return signal. Proximity sensor is suitable for plastic target and an inductive proximity sensor always requires a metal target. Proximity sensor can have long functional life because of the absence of mechanical parts and lack of physical contact between sensor and the sensed object.



In this new era of technology now GPS tracking chips are embedded in bags capable of transmitting their locations to travelers and even contacting airlines directly when they get lost.

If your airlines loses your luggage you can find it by GPS . The jumbo jet maker Airbus introduced a concept design for smart luggage at the Paris Air Show last year. The product, known as Bag2Go, can be tracked via a smartphone app.


Bootstrap 3.2.0 Realeased –

Bootstrap 3.2.0 Realeased –


Bootsstrap version 3.2.0 released on 26 june 2014 with some attractive and plenty of documentetion element. New version of Bootstrap containing 100 of bug fixes and some build tool improvements. Now developer can make their website and web apps more classy and attractive . What is Bootstrap : To make your website and webapps attractive you have to know about bootstrap. Bootstrap is free collection of tools for making your website and web application. Bootstrap makes front-end web development faster and easier. It’s made for folks of all skill levels, devices of all shapes, and projects of all sizes. Bootstrap Containg HTML and CSS based design templetes, buttons , typography , navigation etc

. Features of Bootstrap 3.2.0 :

  • Bootstrap 3.2.0 has some new responsive classes .visible-xs—for awhile now.Now it has block , inline-block and inline variations for each grid tier. For example .visible-xs-block is now a thing.
  • The documentation process of 3.2.0 got updated . Now it has flash based copy paste button. This button will appear on the top right of nearly every example in the dock. To copy and paste you have to click on the button they created.
  • Broweser bug ? oh no ! – Bootstrap 3.2.0 already known as Wall of browser bugs. It contains hundred of bug fixes .Finding and Reporting the browser about the bugs to the developer is the coolest part of this version of bootstrap.
  • Keyboard navigation (forward and backward) is now available for the carousel.
  • The progress bar component has been improved for increased flexibility. There are more changes in the new version of bootstrap 3.2.0 . Just you have install it then you can see the different .