Fingerprint Scanner - 5V TTL (GT-511C3)

Discontinued GT-511C3 fingerprint scanner at 5V TTL. Stores up to 200 fingerprints with 360° recognition via UART. Demo software available; cable not included.

Logical pinout · physical placement not verified

VCC
Type · Power
GND
Type · Ground
TX
Type · UART
RX
Type · UART

Pin	Type
VCC	Power
GND	Ground
TX	UART
RX	UART

Logical pinout · physical placement not verified

Pin details

4 connections

VCC
Power
GND
Ground
TX
UART
RX
UART

Start wiring

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

Verify supply voltage and logic levels before powering up.

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

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Pinout