The outlook of the smart door lock is shown below. Here is the schematic circuit diagram. The AS608 fingerprint sensor interface with the MCU using USART3 while the ESP8266 module using USART2. The ...

A smart door locking system, using arduino, servo motors and RFID Module and relay module ... I have connected the RFID module and servo motor which is connected to the solenoid lock and ten to the ...

[Max] sent us his dorm room RFID controlled lock. While RFID door locks are nothing new, his implementation is very slick. The entire unit is attached with suction cups to a mirror on the inside ...