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Unit Fingerprint2 - fingerprint reader - M5Stack U203
Unit Fingerprint2 is a high-performance fingerprint recognition module designed for rapid integration into projects requiring user identification and authentication. The module combines an STM32 microcontroller with an integrated A-K323CP fingerprint recognition chip , offering complete support for the biometric process.
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Product description: Unit Fingerprint2 - fingerprint reader - M5Stack U203
Unit Fingerprint2 is a high-performance fingerprint recognition module designed for rapid integration into projects requiring user identification and authorization. The module combines an STM32 microcontroller with an integrated A-K323CP fingerprint recognition chip , offering complete support for the biometric process —from image acquisition and feature extraction to data comparison, retrieval, and storage. The capacitive semiconductor sensor ensures high recognition accuracy and reliability, while the built-in algorithm effectively handles both dry and wet fingers. The module supports UART communication, allowing for easy connection to popular control platforms. Additionally, a multicolor LED ring and power LED provide clear information about the device's operating status.
Unit Fingerprint2 - fingerprint reader - M5Stack U203.
Botland is an official distributor of the M5Stack module family in Poland. We have extended this system of stackable functional devices with accessories from our range and numerous blog guides. All M5Stack products presented here are original.
Unit Fingerprint2 is a powerful fingerprint recognition module designed for quick integration in projects requiring user identification and authorization.
Special features
- Integrated STM32 microcontroller
- High-resolution capacitive fingerprint sensor
- Built-in fingerprint recognition algorithm
- Supports up to 100 saved fingerprints
- Adaptation to dry and wet fingers
- Data registration, search, comparison and management functions
- UART communication for easy integration with host systems
- Multi-color LED ring (7 colors) to indicate operating status
Practical applications
The Fingerprint2 unit is ideal for projects requiring access control and user identification. It is often used in smart door locks, time and attendance systems, identity authentication devices, payment terminals, and compact systems.
Technical specifications of the module
- Microcontroller (MCU): STM32G031G8U6
- Fingerprint module: A-K323CP
- Fingerprint resolution: 508 dpi
- Image resolution: 80 x 208 px
- Image data size: 8230 bytes (4 bits per pixel)
- Fingerprint memory capacity: up to 100 records
- Data size of one fingerprint: 7262 bytes
- Communication interface: UART 115200 bps, 8N1
- Power consumption:
- operating mode, "breathing light" on: 40 mA
- operating mode, backlight off: 37.25 mA
- sleep mode: 14.11 mA
- Dimensions: 24 x 62 x 8 mm
- Weight: 6.1 g
Contents of the set
- 1x Unit Fingerprint2 module
- 1x Grove HY2.0-4P cable (length 20 cm)
Additionally, a multi-color LED ring and a power LED provide clear information about the device's operating status.
Useful links
| Name | Value |
|---|---|
| Width | 9.2 cm |
| Height | 14 cm |
| Depth | 1 cm |
| Weight | 0.011 kg |
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from €96.75
The full delivery terms are on the page Delivery and payment.
30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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