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Capacitive Fingerprint Sensor (100) BM92S2222-A

US$ 16.90
In stock
Quantity
100
Product ID
BM92S2222-A
DESCRIPTION

Fingerprint sensor module is used as a way to verify identity. It is widely applied to consumer products such as electronic door locks, access control systems, security safes, etc.

The difference between BM92S2222-A2 and BM92S2222-A is the wire which is sold with module. BM92S2222-A2 is sold with dupont wire, and it is suitable for development process. BM92S2222-A is sold with flat cable, and it is suitable for mass production.

This capacitive fingerprint sensor module can store and identify up to 100 fingerprints. It calculates the induced capacitance when a finger is pressed on the sensor. The built-in 32-bit microcontroller executes signal processing with a unique algorithm to complete high-speed fingerprint sampling, template file establishment, identification and other operations.

This module has a rich command set for operating functions such as to enroll/verify/identify fingerprints and so on. It uses UART interface to communicate with external devices. The external controller can operate this module with communication protocols and instructions.

When a finger touches the metal frame of the fingerprint sensor, the build-in touch IC changes its output signal level. A product can reduce standby power consumption by supplying power to the fingerprint sensor module after detecting the signal level change from the touch IC.

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FEATURES
  1. Number of fingerprints : 100
  2. Supply Voltage : DC 3.3V - 5.5V for the fingerprint sensor module, 2.2V – 5.5V for the touch IC
  3. Operating current : < 40mA
  4. UART interface (3.3V level, TTL)
  5. Baud Rate : 9600, 19200, 38400, 57600, 115200 (default is 57600)
  6. Effective area of the fingerprint sensor: 9.6mm x 9.6mm
  7. Fingerprint image size: 192 x 192 pixels
  8. Resolution : 508 dpi
  9. Fingerprint template file : 512 bytes
  10. Identification time : < 1.0 second (100 fingerprints)
  11. 1:1 verification (verify whether the pressed finger is the assigned ID or not)
  12. 1:N identification (identify the ID of the pressed finger from the enrolled fingerprint database)
  13. False Acceptance Rate(FAR) : < 0.001%
  14. False Reject Rate(FRR) : < 1%
PRODUCT INFORMATION
  1. Dimension : 33 x 20 x 6 (mm)
  2. Net weight : 3.4 g (not including cable)
  3. Packing List :
    1. Capacitive Fingerprint Sensor Module BM92S2222-A x 1
    2. Flat cable (length 96mm) x 1
RESOURCES
  1. Application: Capacitive Fingerprint Identification Module, including reference, PCB layout, demo code, schematic, etc.
  2. MCU : Holtek HT32F12364, 32-bit Arm® Cortex®-M3 MCU, including datasheet, user manual, firmware library, tool information, package information, etc.
  3. Starter Kit : Holtek ESK32-30107, HT32F12364 Starter Kit, including datasheet, user manual, schematics, firmware libray, tool chain quick start guide, Keil MDK Holtek edition (Free) installation guide, etc.
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