Fingerprint
Biometric Fingerprint Detector
- Overview
- Commands
- On-Module Code
Read and match prerecorded fingerprints with this intelligent HMI sensor.
Key features • Fingerprint detector | Resources 📄 Schematics PID: 0x040009 |
Modules ship without cables to reduce waste. Some specialty boards include a USB cable; for the rest, see Cables to add cables to your order.
| Function | Description |
|---|---|
GetSavedCnt() | Returns how many fingerprint model are saved. |
DelModel(l) | Deletes model at l location. |
StoreModel(l) | Stores a converted model at l location. |
TakeImg() | Captures a fingerprint image. Returns 0 if succeeded. |
ConvertImg(s) | Converts captured image and stores it in s slot (1 or 2). |
FastSearch() | Searches the internal database for a converted image. |
SetLed(c,b,k) | Sets the LED to c color (1 red, 2 blue, 3 purple), with b blink(0 always on, 1 blink), with k count (0 is forever!). |
DVer() | This driver version. |
Samples​
Example code for using this module's commands in popular languages.
New here? See Get Started to connect a module and send your first command.
- Python
- MicroPython
- JavaScript
- .NET
- Arduino
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Peek under the hood
The script below is this module's driver — it teaches the hardware how to respond to the commands listed above. It ships pre-loaded from the factory; most users never need to open it.
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Code that runs directly on this module's MCU. See On-Module Code for an overview.
- Script
This example runs using the default DUELink Internal Engine using its Scripting Language, and it expects the module's driver to be loaded first, see the Commands Tab.
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Ordering Info
| Product | Part Number | Price |
|---|---|---|
| DUELink Fingerprint | GDL-HIFNGRPRNT-B | $49.95 |