Fingerprint Recognition Module AS608

The AS608 Optical Fingerprint Scanner is a highly versatile, all-in-one biometric module favored by makers for its built-in processing power. Unlike simpler sensors, the AS608 handles the "heavy lifting" (image rendering, feature finding, and searching) on its own onboard DSP chip, allowing it to work seamlessly with even low-power microcontrollers like an Arduino Uno.

Key Features

• All-in-One Processing: Integrated optical sensor and high-speed DSP handle enrollment and matching internally.
• Onboard Storage: Can store and manage between 162 to 255 fingerprint templates (depending on the specific firmware version) in its internal flash memory.
• Two-Phase Security: Supports both 1:1 Matching (verifying a specific user) and 1:N Searching (identifying a user from the entire database).
• Visual Feedback: Features a built-in LED (usually green or red) that lights up during the scanning process.
• Flexible Interface: Uses a standard TTL Serial (UART) interface, making it "plug-and-play" with Raspberry Pi, Arduino, ESP32, and PCs.

Best Use Cases

• Biometric Door Locks: Perfect for home automation or safe boxes.
• Attendance Systems: Creating a "clock-in" station for offices or classrooms.
• User Identity for DIY Projects: Restricting access to a Raspberry Pi terminal or an arcade machine

What's in the box?

1 x fingerprint scanner with connecting wires

Resources

Adafruit Tutorial