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 ...

This post is sponsored by Acmer. All opinions expressed are my own. Laser cutter fans, meet the Acmer P3! We unboxed, set up, ...

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The Nintendo Switch 2 has launched and is available now -- here are all the new console's big upgrades over the original.