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Help CenterSM-62U Semiconduct Fingerprint Reader Sensor Circuit Board for Tablet PC, Car Security Locks OEM
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SM-62U module has the wide application area. It is suitable from low end to high end fingerprint identification systems, such as:
Fingerprint safe case/cabinet and fingerprint lock
The functions of fingerprint register, deleting and searching can be controlled with the micro processor. Based on the return value from the module, it controls the door access, audio and light reminding and alarm.
Fingerprint access, IC card system and hand hold POS terminal
The micro processor controls the input with keypad, display with LED and the driver. The communication between the micro processor and the module is UART interface, according to the command mode.
On-line application
In some complicated systems, the module can be used as the identity management via PC or internet. It plays a more rich and colorful features,such as online patrol system and library borrowing and returning system, etc.
We will provide the SDKs for PC and 8051 CPU based on the requirement. The developer can develop each kind of fingerprint identification systems based on the technical information of this handbook.
1.3 Several basic concepts in fingerprint systems
Fingerprint features
The fingerprint algorithm extracts the features from the fingerprint image. It represents the fingerprint information. By operating with the fingerprint features, man can store, match and search the fingerprint.
1:1 Match
It compares two fingerprints and returns information: match or not match.
1:N Search
Find the matched fingerprint inside N fingerprints to the current fingerprint. It returns: no match feature or match feature together with the number of matched feature.
2.1 Technical parameter and environment characteristics
No | Indicator | Parameters | description |
1 | Power | DC4.8V ~ 6V |
|
2 | Working current | < 35 mA | 5V Power supplier |
3 | Peak current | < 50 mA | 5V Power supplier |
4 | Power up time | < 200 ms | The period from power up to receive command is at least 200ms. |
5 | Fingerprint recording time | < 200ms |
|
6 | 1:1 match time | < 350ms | Feature extraction+fingerprint match |
7 | 1:10 search time | < 400ms | Feature extraction+fingerprint search |
8 | The content of fingerprint storage | 1024/1776 * |
|
9 | False accept rate | < 0. 0001 % | Five security levels |
10 | FRR | < 0.1 % |
|
11 | Interface | UART interface, TTL |
|
12 | Communication rate | 57600bps, 1 start byte,8bytes data, 1stop byte | Refer to Section 3.2 |
13 | Module size | 35.0x30.0x6.8 | Unit: mm |
14 | Sensor size | 20.4x33.4x3.6 | |
15 | The size of image windows | 10.4x14.4 | |
16 | The size of fingerprint template | 256bytes |
|
17 | Image grey | 8bytes, 256 levels |
|
18 | Resolution | 508DPI |
|
19 | Working temperature | -30°C~85°C |
|
20 | Recommended working temperature | 0°C~40°C |
|
21 | Storage temperature | -40°C~85°C |
|
*1024 and above is customized and under requirement.
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