Fingerprint 2 Unit (A-K323CP)

Unit Fingerprint2: STM32 core + A-K323CP module, capacitive sensor, UART, RGB LED, for access control & identity auth.

Pinout

Logical pinout · physical placement not verified
FINGERPRINT 2 UNIT (A-GNDSDAVCCSCL
  • GND
    Type · Ground
  • VCC
    Type · Power
  • SDA
    Type · I2C
  • SCL
    Type · I2C

Start wiring

UART · I2C · Analog · 3.3 – 5 V · Breakout

Confirm the data interface matches your host board.

Module pins: VCC, GND, SDA, SCL. Schematik maps them to your board in the app.

Biometrics

25 other options

UART/I2C fingerprint modules, MAX30102 PPG breakouts, and analog ECG/EMG front-ends for access control and hobby biometric sensing.

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Related groups

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