Four-in-one smart electronic lock

It uses a low-power microcontroller to extend the product's operating time to 12 months. It is equipped with a fingerprint module, RFID module, Bluetooth module, Wi-Fi module, touch screen and audio codec to achieve password, fingerprint, card and App Intelligent electronic lock with remote door opening function and graphical touch human-machine interface.

• Program features
  

  -	Low-power microcontroller extends product operation time to 12 months
  -	Floating security code and virtual password function
  -	Maximum record of 100 fingerprints
  -	Supports 20 sets of RFID cards
  -	Remote temporary password and App Bluetooth to open the door
  -	emWin graphical human-machine interface
  -	With opening, closing and alarm sounds

• MCU Features
  

  -	M251 / M252 (32-bit Arm® Cortex®-M23)
  -	With Deep Power-down mode, power consumption is less than 1.3 microamps, extending product running time
  -	Rich communication peripherals to connect various external expansion modules
  -	Supports XOM (eXecute-Only-Memory), hardware AES encryption and decryption, and Tamper pins to improve product security
  -	Supports high-precision ADC and OPA functions to achieve precise voltage measurement