Security Guides

Step-by-step security projects with wiring diagrams, component lists, and ready-to-deploy code.

How to Build an RFID Treasure Chest with ESP32

Design an ESP32 RFID treasure chest with MFRC522 reader, servo lock, buzzer, and OLED. Valid tags unlock the chest with a success tune.

Step-by-step security projects with wiring diagrams, component lists, and ready-to-deploy code.

Design an ESP32 RFID treasure chest with MFRC522 reader, servo lock, buzzer, and OLED. Valid tags unlock the chest with a success tune.