The arduino program queries https://adventofcode.com for the configured leaderboard to get the star completion state of the user then displays them it in a nice animated way. Since this is only done ...

I'm an Arduino newb, so go easy on me. I have an Arduino Uno with a Grove Base Shield and a Grove LED Strip Driver. I have Superlight strip LEDs. I'm using some of the example code and it seems to be ...

RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. This project is open-source and can be freely used for educational purposes. I demonstrate ...