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GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board
GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board

GROW K261+R557 DC12V Realy Output Low Power Consumption Fingerprint Identification Ring Indicator Light Access Control Board

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·Power supply: DC12V, >500mA
·Output: Relay(Max. current:10A)
·Standby current: 12uA
·Fingerprint capacity: 120 pieces
·Size: 62*25.4mm
K261 is designed for low power consumption, the power supply is DC12V, the relay time can be adjusted by rotating the button, relay time: 0.5-13 seconds.
It is very easy to register fingerprint, just need to press SET button to register fingerprint and long press SET button to back to factory default.
K261+R557, the R557 fingerprint module is low sensing array, only have 160*160 pixel, when register fingerprint, you have to put multiple time in register fingerprint. 
If you have high requirements for products and design, we suggest you can chose R503,R502-A serials products, like K202+R503,K215-V1.3+R503,K216 +R503 board and so on.
Helpful hints:
If need to connect with car,motorcycle, and needs high security product,suggest to high pixel fingerprint module, like K202+R503,K215-V1.3+R503,K216 +R503 board and so on.

1.SET Button:
Press SET button shortly,blue indicator light in control board flash fast and system in register state, put the same finger with multiple times on fingerprint collection area, until hearing music means fingerprint register successful. Fingerprint can be registered continuously when system in register state; if no need adding fingerprint more, waiting a few seconds to exit.
2.Back to factory default:
Press SET button until hear “Di” long beep and music,means initialization operation successful.
3.Set Relay Time:
Rotate the relay rotation button to set the closing time of the relay from 0.5 to 13 seconds. The relay is contact output, switch signal, no voltage output.
4.Usage:
Press the finger,the relay closes after the fingerprint passes, and the closing time is determined by relay rotation button.
Note:1. All indicator lights are off in standby state, and the lights are on in working state;
2. Any fingerprint can be used in the factory state, but the function will be invalid after the fingerprint is registered.
K261 only can connect with R557, can not connect with R502,R502- A,R503
Operation video on Youtube: //youtu.be/C_J1l16HDkc

Model
R557
Type
Capacitive Fingerprint Module
Interface
UART(TTL)
Resolution
508 DPI
Voltage
DC 3.3V
Fingerprint Capacity
120
Sensing array
160*160 pixel
Working current
30mA
Standby current
Typical touch standby voltage: 3.3V, Average current: 5uA
Fingerprint module external size
Diameter 21(mm)
Fingerprint module height
6.2(mm)
Effective collection area
Diameter 12.8 (mm)
Finger Touch Function
Yes
LED Color
Blue-Green-Red
Connector
MX 1.0mm 6Pin
Scanning Speed
< 0.2 second
Verification Speed
< 0.3 second
Matching Method
1:1; 1:N
FRR
≤1%
FAR
≤0.001%
Work environment
-20C —60C
Work Humidity
10-85%
Anti-static capacity
15KV
Abrasive resistance intensity
1 million times
Communications baud rate (UART):
(9600 × N) bps where N = 1 ~ 12(default N = 6, ie 57600bps)

·ProvideFree Reference SDK Files for Arduino, Android,.Net,Windows and so on.
·Provide User Manual
You can dowload the K261 user manual from this website link:
//www.dropbox.com/sh/9itshhkx0r9mdyt/AABPH-Dhleve3A1Mn5ZA34pCa?dl=0
If need SDK files,pls contact us.
Operation Video on Youtube://youtu.be/C_J1l16HDkc

Brand Name:
grow
Certification:
None
Origin:
CN(Origin)
Model Number:
K261+R557
Power supply:
DC12V
Output:
Relay(Max. current: 10A)
Standby current:
12uA
Fingerprint capacity:
100
LED Control:
Yes
K202 Size:
62*25.4mm
R557 Size:
Diameter 21mm
Relay time:
0.5s-13s

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