R307 Fingerprint Sensor Scanner Module


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SKU: NMR307 Categories: ,

Integrated scanner with scanning and processor chip coupled together, ALL-in-One Fingerprint reader  can be used in an assortment of end products for Smart low power applications, compact size, efficient execution and Proficient optical scanning, module fabrication done using best methods Great image processing abilities, can effectively catch picture up to resolution 500 dpi.

Difference Between R305  and R307 Finger print module:-
Same software protocol as R305 with many improvements
R305 R307
Storage Capacity (Fingerprints) 250 1000
3.3V Operation No Yes
USB Operation No Yes
Finger Detect Output No Yes

R307 is a finger impression sensor module with TTL UART interface. The client can store the unique finger impression data in the module and can configure it in 1:1 or 1: N mode for recognizing the individual. The FP module can straightforwardly interface with 3v3  Microcontroller. A level converter (like MAX232) is needed for interfacing with PC.

The R307 fingerprint module has two interface TTL UART and USB2.0, USB2.0 interface can be connected to the computer; RS232 interface is a TTL level, the default baud rate is 57600 , can be changed, allude to a correspondence convention ; can And microcontroller, like ARM, DSP and other sequential gadgets with a connection, 3.3V 5V microcontroller can be connected straightforwardly. Necessities to connect the computer level transformation, level change note , encapsulations, for example, a MAX232 circuit.

Pinouts Details
Pin   Pin Purpose      Details
1      5V                   Regulated 5V DC
2      GND               Common Ground
3      TXD                Data output – Connect to MCU RX
4      RXD                Data Input – Connect to MCU TX
5      TOUCH           Active Low output when there is touch on sensor by finger
6      3.3V                Use this wire to give 3.3V to sensor instead of 5V
USB Cable Connections are 5V/D+/D-/GND (Optional)
Weight 15 g


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  • Supply voltage: DC 4.2 ~ 6.0V
  • Supply current: Working current: 50mA (typical) Peak current: 80mA
  • Fingerprint image input time: <0.3 seconds
  • Window area: 14x18 mm
  • Matching method: Comparison method (1: 1)
  • Search method (1: N)
  • Characteristic file: 256 bytes
  • Template file: 512 bytes
  • Storage capacity: 1000 pieces
  • Security Level: Five (from low to high: 1,2,3,4,5)
  • Fake rate (FAR): <0.001%
  • Refusal rate (FRR): <1.0%
  • Search time: <1.0 seconds (1: 1000 hours, mean value)
  • Host interface: UART \ USB1.1
  • Communication baud rate (UART): (9600xN) bps Where N = 1 ~ 12 (default N = 6, ie 57600bps)
  • Working environment: Temperature: -20 ℃ - +40 ℃ Relative humidity: 40% RH-85% RH (no condensation)
  • Storage environment: Temperature: -40 ℃ - +85 ℃ Relative humidity: <85% H (no condensation)
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R307 Fingerprint Sensor Scanner Module