GROW K216+R307 Fingerprint Recognition Access Control System+R307 Optical fingerprint sensor

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K216 Technical Parameters

·P1: Power supply:DC10V--30V
·P2: Output:Relay(Max. current: 10A)
·P3: MX 1.0-6P Fingerprint Module (can connect R502)
·P4: MX 1.25-6P Fingerprint Module (can connect R300,R301T,R302,R303,R303T,R305,R306,R307,R501)
·Standby current:6mA(DC12V)
·Fingerprint capacity:300 pieces

K216 Operation Instruction

1. SET Button:
1.1 Press SET button shortly,system in register state and indicator light flash fast, press two times for each fingerprint, fingerprint register successful when hearing music.Fingerprint can be registered continuously when system in register state; if no need adding fingerprint more, waiting 8 seconds.(Fingerprint capacity is 100 pieces when press SET button,the registered fingerprints are stored in database 01)
1.2 When back to factory default, press SET button until hear “Di” long beep and music,means initialization operation successful
2. Remote Control:
2.1 Red indictor lighted means in programming stated, music means operation successful, default  password: 123456,password length: 6numbers
2.2  Change password: Press *password*1*new password*new password#
2.3  Register fingerprint:Press*password*2*DD# , DD from 00 to 02(00, 01 and 02 refer tothree different fingerprint databases), each database can store fingerprint 100 pieces; Exit fingerprint in register state when press * button or waiting for 10s.
2.4.  Empty fingerprint:Press *password*3*password#
2.5.  Control Work Mode:
        Press *password*4*00#    Fingerprint module touch standby function ON
        Press *password*4*01#    Fingerprint module touch standby function OFF(Normally on Mode)
2.6.  Delay time for closing relay:Press *password*5*SS #; SS from 00 to 20, SS means the closing time for relay(from 0.5s to 20s), e.g.: 00 means 0.5s, 20 means 20s; Default time is 5s.
2.7.  Delete fingerprint:Press *password*6*DD#, DD from 00 to 02 (00, 01 and 02 refer tothree different fingerprint databases).
2.8.  PasswordUsing:Press *password and relay closed, press # and relay opened.
3 FunctionSet:
When chose 2, closing time of the relay is 5s after pass fingerprint(5s is default time, and it can be adjusted by remote control);
When chose 1, relay closed when fingerprint passed, relay will be opened when removing finger.

K216 can be used together with R300,R301T,R302,R303,R303T,R305,R306,R307,R501,R502 fingerprint module

R307 Specifications

·Type: Optical
·Interface: USB2.0/UART(TTL logical level)
·Resolution: 500 DPI
·Work Current: Typical ≤75 mA
·Voltage: DC 4.2-6.0V (or 3.3V)
·Fingerprint capacity: 1000
·Dimension: 52 *20*22 (mm)
·Image Capture Surface: 15*11 (mm)
·Backlight: Blue
·Sensor Life: 100 million times
·Static Indications: 15KV
·Character file Size: 256 bytes
·Template Size: 512 bytes
·Security Level: 5 (1,2,3,4,5(highest))
·Scanning Speed: < 0.3 second
·Verification Speed: < 0.2 second
·Matching Method: 1:N
·FRR (False Rejection Ratio): ≤0.1%
·FAR (False Acceptance Ratio): ≤0.0001%
·Operating Environment Temperature: -20°C ---50°C
·RS232 communications baud rate: 9600BPS~115200BPS changeable        


·All fingerprint module support with Arduino, Android, Windows, Linux, .Net and so on. 
·Provide Free SDK Files
·Provide User Manual 
You can download the R307 user manual from this website link:
You can dowload the K216 user manual from this website link: 












​K216 Circuit board diagram



R307 fingerprint module circuit board diagram




3.3VDC power can be selected to supply when short circuit as the following drawing.
Attention: Operating carefully, otherwise the R307 will be damaged when wong connection. 
R307 fingerprint module size chart
Package Listing
 K216 can be used together with R300 capacitive fingerprint module


K216 can be used together with R302 capacitive fingerprint module

K216 can be used together with R303T capacitive fingerprint module
K216 can be used together with R501 capacitive fingerprint module
K216 can be used together with R502 capacitive fingerprint module

Brand Name:
Model Number:
Fingerprint capacity:
Power Supply:
DC 10V--30V
Standby current:
Relay(Max. current:10A)