New Product: GROW R307-S Cheap 300 Capacity USB UART Optical Fingerprint Module Sensor Scanner For Door Access Control
Release time:
2022-01-20 16:59
Source:
Brief description of R307-S fingerprint module:
1. Fingerprint capacity:
The storage capacity of R307-S fingerprint module is 300.
2. Description of interface:
R307-S fingerprint module has RS232 and USB2.0 at the same time.USB2.0 interface can connect to the computer;RS232 interface is TTL level, and the default baud rate is 57600, which can be changed. Please refer to the communication protocol.It can be connected with microcontroller, such as ARM, DSP and other equipment with serial port, and the microcontroller of 3.3v and 5V can be connected directly.When connecting to the computer, please pay attention to the level conversion, such as the MAX232 circuit.
3. Module detection
After the fingerprint module is powered on, the fingerprint collection window will flash, indicating that the self-test is normal. If it does not flash, please carefully check the power supply, whether it is connected backwards or wrongly.The chip has some heat when working normally, this is normal phenomenon, the product has passed strict test, can rest assured to use.
R307-S Mainly Parameter
Type:Optical Fingerprint Module
Interface:USB,UART(RS232 TTL)
Resolution: 508 DPI
Voltage: DC 4.2-6V,or 3.3V
Fingerprint Capacity: 300
Sensing array: 300000 pixel
Fingerprint module size: 52*20*22 (mm)
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Hangzhou Grow Technology Co., Ltd
Address: Room 310, Block B, Building 1, No. 279 Shiqiao Road, Gongshu District, Hangzhou City, China
Telephone:86 571 86688123
Fax: 86 571 89922886
E-mail:winni@hzgrow.com