Consumer electronics aimed at young children tend to be quite janky and cheap-looking, and they often have to be to survive the extreme stress-testing normal use in this situation. You could buy a … ...

Posted in Arduino Hacks, hardware Tagged arduino, authentication, MFRC522, rfid ← Shirt Pocket Slide Rule: History Of The HP-35 ESP Cookbook Goes Beyond Chips And DIPs → ...

– MFRC522 connection header: This is where the MFRC522 RFID reader connects to the main board. – Program select header: Currently, only header#1 is being used in the program.

Meet the Arduino Compatible RFID Reader Module. It can hold card data for up to five cards, takes seconds to program, and holds card data in EEPROM memory, which means that the cards are saved ...