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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 seperatly or there is easy way to achive the same by installing XAMPP. XAMPP is an easy to install Apache distribution containing MySQL, PHP and [...]
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 [...]
