Question

What is the use of the RFID Module?

(a) Object Identification

(b) To provide 3G Connectivity

(c) To measure temperature

(d) To measure Wi-Fi strength

I have been asked this question in unit test.

The question is from RFID Module in portion Interfacing of Sensors, Actuators, and Other Modules of Arduino

Answer 1

Correct option is (a) Object Identification

To explain: The RFID Module is primarily used for object identification and tracking. It’s abbreviation stands for Radio Frequency Identification Module. It’s working is mostly wireless and uses electromagnetic fields.