For most of the RFID based Arduino projects, the RC522 RFID reader/writer module is a great choice. It is low power, low cost, very rugged, easy to interface and extremely popular among hobbyists.
An RFID or radio frequency identification system consists of two main components, a tag attached to the object to be identified, and a reader that reads the tag.
A reader consists of a radio frequency module and an antenna that generates a high frequency electromagnetic field. Whereas the tag is usually a passive device (it does not have a battery). It consists of a microchip that stores and processes information, and an antenna for receiving and transmitting a signal.
How to use
Tutorial –
https://lastminuteengineers.com/how-rfid-works-rc522-arduino-tutorial/
Common Applications
● Inventory management.
● Asset tracking and equipment tracking.
● Inventory control.
● Cargo and supply chain logistics.
● https://www.youtube.com/watch?v=Gtu-kZ24O0oehicle tracking.
Some example projects that students can try out in the ATL Lab
● RFID Attendance system –
https://www.youtube.com/watch?v=Gtu-kZ24O0o
● RFID based Smart Door Lock –
https://www.youtube.com/watch?v=9fGbT-sn6r8
Safety Measures to follow
1. There shouldn’t be a very high exposure to radio frequencies.
2. The module is delicate and should be handled with care.
Important Links
1. Different types of RF modules ( )
YouTube Video https://www.youtube.com/watch?v=vxF1N9asjts
2. How does RF modules work ( )
YouTube Videohttps://www.youtube.com/watch?v=ty-E7SfWyOo
