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 ...

A curated, community-maintained library for the popular Multi Function Shield (buttons, LEDs, displays, sensors, and more).

Put your loop code in while (true) {} in the setup function and leave the loop function blank. Using the loop function crashes the chip. There is a regular LED and a WS2818 GRB LED on the board. Both ...