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 ...

Identifying and sorting colours reliably via their Euclidean distance. How to read a sensor and drive a servo with Arduino using millis() and an ISR. Say goodbye to blocking delay() € 14,00 Adafruit ...