Features capacitive sensor for precise fingerprint recognition
Supports both dry and wet finger identification
Integrates seamlessly via UART communication interface
Displays status with a seven-color RGB LED ring
Compact and lightweight, ideal for security systems
The M5Stack Unit Fingerprint 2 is a sophisticated fingerprint recognition sensor featuring an integrated STM32 core controller and an A-K323CP module. It employs a semiconductor capacitive sensor for fingerprint acquisition, feature extraction, registration, and comparison. The device supports both dry and wet finger recognition, ensuring high data security and efficient fingerprint data management. It utilizes a UART communication interface for seamless integration with various control platforms. The unit is equipped with a seven-color RGB LED ring for interactive status indications, making it suitable for applications in smart door locks, access control, identity authentication, and small security systems.
