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BeagleBone: Creative Projects for Hobbyists

You're reading from   BeagleBone: Creative Projects for Hobbyists Build amazing BeagleBone projects and maximize your skills with projects that walk, talk, and fly!

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Product type Course
Published in Jul 2017
Publisher Packt
ISBN-13 9781788395656
Length 1020 pages
Edition 1st Edition
Languages
Concepts
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Authors (3):
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Rodolfo Giometti Rodolfo Giometti
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Rodolfo Giometti
Charles A. Hamilton Charles A. Hamilton
Author Profile Icon Charles A. Hamilton
Charles A. Hamilton
Richard Grimmett Richard Grimmett
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Richard Grimmett
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Toc

Chapter 9. Twitter Access Control System with Smart Card and RFID

Identifying people or objects with a computer may seem like an easy task, but, in reality, there is a lot of technology behind the devices used to accomplish this task.

In this chapter, we are going to use a smart card reader and two kinds of RFID readers (a Low Frequency or LF reader suitable for short ranges and an Ultra High Frequency or UHF reader suitable for long ranges) in order to show different possibilities to implement a minimal identifying system for access control.

Once the detection has been done, the system will send a message to our Twitter account informing our followers about what is happening (in a normal case, we may lock or unlock something, but I decided to do something different).

The basics of functioning

The smart cards and the smart card readers, for example, are complex devices that are used everywhere nowadays, from our credit cards to our smartphones. The term smart card implies a set of...

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