An Arduino is a microcontroller ... You'll need the sensor module R305 to read your fingerprint and a list of other connectors to link the circuit to your lock. It essentially creates a ...

The Arduino Nano Connector Carrier is a compact add-on board designed for the Arduino Nano boards to allow easy connection to ...

but luckily there are ways around it. [Stefan]’s solution was to make a hardware security module out of the newest ARM-powered Arduino Due. The build puts the secret key for [Stefan]’s AWS ...