500 Dpi Fingerprint Reader Sensor Module R307, For Image Processing

This 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, refer to a communication protocol ; can And microcontroller, such as ARM, DSP and other serial devices with a connection, 3.3V 5V microcontroller can be connected directly. Needs to connect the computer level conversion, level conversion note , embodiments such as a MAX232 circuit.Supply voltage: DC 4.2 ~ 6.0VSupply current: Working current: 50mA (typical) Peak current: 80mAFingerprint image input time: <0.3 secondsWindow area: 14×18 mmMatching method: Comparison method (1: 1)Search method (1: N)Characteristic file: 256 bytesTemplate file: 512 bytesStorage capacity: 1000 piecesSecurity 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 \ USB1.1Communication 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)