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Vehicle Monitoring and Security System

Vehicle Monitoring and Security System Sunday, June 7th, 2009  »  Posted By Ranjith  »  Total 118 Comments

ABSTRACT: In this modern, fast moving and insecure world, it is become a basic necessity to be aware of one’s safety. Maximum risks occur in situations wherein an employee travels for money transactions. Also the Company to which he belongs should be aware if there is some problem. What if the person traveling can be [...]

System for Mobile communications (GSM)

System for Mobile communications (GSM) Saturday, June 6th, 2009  »  Posted By Ranjith  »  Total 2 Comments

GSM – AN OVERVIEW GSM, Global System for Mobile communications, is today the most successful digital mobile telecommunication system. This second-generation (2G) system provides voice and limited data services and uses digital modulation with improved audio quality. The different versions of GSM are: GSM 900 band (850-915MHz up-link frequency and 935-960MHz downlink frequency) GSM 1800 [...]

Global Positioning System (GPS)

Global Positioning System (GPS) Saturday, June 6th, 2009  »  Posted By Ranjith  »  Total 5 Comments

GPS – AN OVERVIEW The GPS (Global Positioning System) is a “constellation” of 24 well-spaced satellites that orbit the earth and make it possible for people with ground receivers to pinpoint their geographic location. The location accuracy is anywhere from 100 to 10 meters for most equipment. Accuracy can be pinpointed to within 1 meter [...]

RF UNIT

RF UNIT Friday, June 5th, 2009  »  Posted By Ranjith  »  Total 2 Comments

The RF section consists of an RF transmitter and an RF receiver.  The RF transmitter mainly consists of a remote key that contains a code hopping encoder, HCS301 along with 2 buttons and two LEDs. The RF receiver section consists of a Low Power ASK receiver IC. The key encoder will generate the company specific [...]

PIC – Introduction

Friday, June 5th, 2009  »  Posted By Ranjith  »  Total 2 Comments

The term PIC, or Peripheral Interface Controller, has been coined by Microchip technology to identify its single chip microcontrollers. PIC microcontrollers possess an array of features that make them attractive for a wide range of applications. Furthermore these microcontrollers are available with a range of capabilities, packaged in both dual-in-line(DIP) packages and surface-mount packages. Factors [...]

How to run PHP files on localhost?

Thursday, June 4th, 2009  »  Posted By Ranjith  »  Total 0 Comment

To run any php file you need to install Apache web server on your localhost. Also you need to install MySQL server for any database programming. You can install these separately or there is easy way to achieve the same by installing XAMPP. XAMPP is an easy to install Apache distribution containing MySQL, PHP and [...]

What is PHP?

Thursday, June 4th, 2009  »  Posted By Ranjith  »  Total 0 Comment

PHP stands for “Hypertext Preprocessor“,  is a server-side scripting language used to create dynamic Web pages. This can be embedded to HTML pages. This is very easy scripting language compare to other scripting languags. The goal of the language is to allow Web developers to write dynamically generated pages quickly. PHP supports many databases like [...]

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