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Most of us have been using some form of a badge or tag to enter the office building OR tap a credit card to make a payment at the checkout.
Ever wondered what is really going on behind the scene when we tap a card on the card reader ???
This is where the RFID/NFC technology comes into play. We will leverage a Raspberry Pi 4 along with a Mifare RC522 RFID module to get our hands dirty. Here is the link to the article demonstrating the concept of RFID/NFC:
Enjoy 🙂 !!!
Apple AirTag is a small BLE device that enables users to find and/or track their personal items.
Here is the link to the article on AirTag inner workings:
Enjoy 🙂 !!!
Bluetooth Low Energy (BLE) is a industry standard wireless communication standard that was first introduced in the Bluetooth Core v4.0 specification in the year 2000 for use in small battery operated devices with low power consumption needs.
Here is the link to the article on Bluetooth Low Energy (BLE):
Introduction to Bluetooth Low Energy (BLE)
Enjoy 🙂 !!!