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Learning IoT with Particle Photon and Electron

You're reading from  Learning IoT with Particle Photon and Electron

Product type Book
Published in Sep 2016
Publisher
ISBN-13 9781785885297
Pages 136 pages
Edition 1st Edition
Languages
Authors (3):
Rashid Khan Rashid Khan
Profile icon Rashid Khan
Kajari Ghoshdastidar Kajari Ghoshdastidar
Profile icon Kajari Ghoshdastidar
Ajith Vasudevan Ajith Vasudevan
Profile icon Ajith Vasudevan
View More author details
Toc

Hardware components and setup


The following is a list of the hardware components and the quantity of each needed to build the smart kitchen project:

  • Photons (2)

  • Li-Po batteries (2)

  • 3-6V DC power supply (2)

  • RFID Reader module RFID-RC522 (1)

  • RFID tags (6)

  • Passive infrared (PIR) motion sensors (3)

  • Jumper wires (20)

  • Breadboards (2)

We will describe some of these components in detail, and explain the function they perform.

RFID reader module RC522-RFID and RFID tags

Radio frequency identification (RFID) is a Near Field Communication (NFC) technology, where two devices can transfer data between them using radio waves when they are near each other:

Figure 2: MIFARE RC522 RFID reader module (left) and RFID tag (right)

We use the RC522-RFID module from MIFARE (https://www.mifare.net/).

The RFID module needs to be powered by a 3.3V DC power source. It reads the tag ID numbers of the RFID tags near it, and passes them to the Photon to which it is connected. The tags are passive, and don't need any power supply...

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