Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Tim is a Senior Editor at MacRumors and has been writing for the site since 2016. Formerly a magazine journalist, his work has appeared in over 30 newsstand print publications and online brands ...