Introduction

R305

R305 is a Fingerprint Identification Module of R30X series. This module operated on UART thus can be used with microcontrolers, Raspberry Pi and also with any computer (using USB to UART convertor).

Hardware Specifications

Power DC 3.6V-6.0V Interface UART(TTL logical level)/ USB 1.1
Working current Typical: 100mA Peak: 150mA Matching Mode 1:1 and 1:N
Baud rate (9600*N)bps,N=1~12 (default N=6 Character file size 256 bytes
Image acquiring time <0.5s Template size 512 bytes
Storage capacity 256 Security level 5 (1, 2, 3, 4, 5(highest))
FAR <0.001% FRR <0.1%
Average searching time < 1s (1:1000) Window dimension 18mm*22mm
Working environment Temp: -10°C- +40°C / RH: 40%-85% Storage environment Temp:-40°C- + / RH: <85%

Hardware Interface

_images/R305.jpg
Name Type Function Description
+5V in Power input
GND
Signal ground. Connected to power ground (color: black
Tx in Data Output. TTL logic level
Rx out Data input. TTL logic level

Communication Protocol

Data package format

When communicating, the transferring and rece iving of command/data/result are all wrapped in data package format.

Header Addr Package Identifire Package Length Package Content Checksum