M5Stack Fingerprint Unit FPC1020A

The Finger Print Unit from M5Stack is a capacitive fingerprint sensor with the FPC1020A module. It stores fingerprints, compares them and reports the result via UART. It connects to Port C.

A newer fingerprint Unit is the M5Stack Unit Fingerprint 2 A‑K323CP.

Recommended Accessories:

• M5Stack M5GO IoT Starter Kit V2.7
• M5Stack 3A Relay Unit

Features:

• Capacitive area sensor, 256 grey levels per pixel (M5Stack)
• 1:N identification and 1:1 verification
• Recognises the finger even when rotated, up to 360° (M5Stack)
• UART settings: 19200 bps, 1 start bit, 1 stop bit, no parity (default)
• Connects to Port C. The Basic Core itself only has Port A, Ports B and C come with the M5GO base, for example in the M5GO IoT Starter Kit V2.7
• 2 mounting holes for snap pins or screws

Application Examples:

• Access control
• Electronic lock together with a relay
• Fingerprint locker or time recording (M5Stack)

Documentation:

• M5Stack documentation Unit Finger
• Arduino tutorial by M5Stack
• M5-FPC1020A Arduino library (GitHub)

Technical Data:

• Manufacturer: M5Stack
• Manufacturer SKU: U008
• Module: FPC1020A
• Fingerprint capacity: 150 (M5Stack)
• Security level: 0 to 9, default 5 (M5Stack)
• Output: user name, image, feature value
• Feature value size: 193 bytes
• Response time: processing < 0.45 s
• Interface: UART 9600 to 115200 bps, default 19200
• Operating temperature: -10 to 60 °C
• Relative humidity: 20 to 80 %
• Connection: Grove HY2.0-4P, Port C (UART)
• Pinout: black GND, red 5V, yellow UART RX, white UART TX
• On the M5Stack Basic: yellow G17, white G16
• Dimensions: 48 × 24 × 8 mm
• Weight: 19 g

Scope of Delivery:

• 1× M5Stack Fingerprint Unit FPC1020A
• 1× Grove cable 20 cm
• 1× storage box