O40 Optical Fingerprint Reader Sensor Module for Arduino and other MC

Main Points
It can work with any microcontroller which with serial port:such as Arduino,51,avr,stm32,pic,arm,msp430
Many functions:fingerprint collection, fingerprint registration, fingerprint comparison and fingerprint search
Many functions:fingerprint collection, fingerprint registration, fingerprint comparison and fingerprint search
Connection:

pin #2 is IN from sensor (GREEN wire)
pin #3 is OUT from arduino  (WHITE wire)
5V connect  sensor (Red wire)
GND connect sensor (Black wire)

Applications: 
Fingerprint door locks, safes, guns, financial and other security areas;
Access control systems, industrial computers, POS machines, driving training, attendance and other areas of identity;
Private clubs, management software, licensing and other management areas;
Medicare recipients, pensioners receive, fingerprint payment and other financial areas.
Specifications:
Model type: O40
Supply voltage: DC 3.8 ~ 7.0V
Backlight color: red
Light way: long light / flashing
Supply current: Operating current: <60mA
Peak current: <85mA
Fingerprint image input time: <0.5 seconds
Window area: 15 × 17mm
Matching method: Comparison method (1: 1)
                Search method (1: N)

Characteristic file: 384 bytes
Template file: 786 bytes
Storage capacity: 240
Security Level: 3 (from low to high: 1,2,3,4,5)
False Acceptance Rate (FAR): <0.001% (Security Level 3)
Refusal rate (FRR): <1.0% (security level is 3)
Search time: <220 ms (1: 240 average)
Host interface: UART (TTL logic level)
Communication baud rate (UART): (9600 × N) bps Where N = 1 ~ 12 (default N = 6, ie 57600bps)

Package Includes:
1 X Optical Fingerprint Reader Sensor 
1 X Cable