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Fingerprint Scanner – TTL (GT-521F32) 指紋掃描模組指紋掃描模組 SparkFun 原裝進口
ADH-Tech的這個偉大的指紋模組可以通過TTL串口進行通信，因此您可以輕鬆地將其嵌入到您的下一個項目中。模組本身完成所有的繁重工作，其中包括在車載光學傳感器和32位CPU上讀取和識別指紋。所有你需要做的就是發送簡單的命令。要開始使用，只需通過發送相應的命令並將手指按在閱讀器上三次，即可註冊要存儲的每個指紋。指紋掃描儀可以存儲不同的指紋，打印數據庫甚至可以從本機下載並分發到其他模組。除了分析版本的指紋“模板”外，您還可以檢索指紋圖像，甚至從光學傳感器中提取原始圖像！
這款來自ADH-Tech的卓越GT-521F32指紋模塊通過TTL串口進行通信，因此您可以輕鬆將其嵌入到您的下一個項目中。模塊本身通過板載光學傳感器和32位ARM Cortex M3處理器讀取和識別指紋，完成所有繁重工作。要開始使用，只需發送相應的命令，然後將手指按在閱讀器上三次，即可註冊要存儲的每個指紋。指紋掃描儀可以存儲不同的指紋，打印數據庫甚至可以從本機下載並分發到其他模塊。除了指紋“模板”，打印的分析版本之外，您還可以檢索指紋圖像，甚至從光學傳感器中提取原始圖像！
Fingerprint Scanner – TTL (GT-511C1R) 指紋掃描模組是 GT-521F52 的經濟版本，可以存儲多達200種不同的指紋。它能夠使用串行接口進行360°指紋識別和下載/上傳模板。此外，GT-521Fxx系列的分辨率為450dpi，錯誤接受率<0.001％，錯誤拒絕率<0.1％，而只需要<1.5秒即可識別出獨特的指紋！
該模塊體積小，易於使用傳感器周圍的四個安裝孔進行安裝。板載JST-SH連接器有四個信號：Vcc，GND，Tx和Rx。在下面的連接附件部分中可以找到兼容的JST-SH尾纖。
特色：
- 簡單的UART和USB通信協議
- 符合USB 2.0全速規範
- 超薄光學傳感器
- 分辨率450dpi
- 能夠360°識別
- 存儲200個獨特的指紋
- 在手指功能上喚醒
- 適用於乾燥，潮濕或粗糙的指紋
- 表面高硬度≧5H的抗划痕
- 1：1驗證，1：N驗證
- 高精度和高速指紋識別技術
- 4個安裝孔
- 2個JST SH連接器
技術文件與範例
Fingerprint Scanner – TTL (GT-521F32)
Fingerprint scanners are awesome! Why use a key when you have one right at the tip of your finger? Unfortunately, they’re often unreliable or difficult to implement. Well not anymore! This great GT-521F32 fingerprint module from ADH-Tech communicates over TTL Serial so you can easily embed it into your next project. The module itself does all of the heavy lifting behind reading and identifying the fingerprints with an onboard optical sensor and 32-bit ARM Cortex M3 processor.
To get started, just register each fingerprint that you want to store by sending the corresponding command and pressing your finger against the reader three times. The fingerprint scanner can store different fingerprints, and the database of prints can even be downloaded from the unit and distributed to other modules. In addition to the fingerprint “template,” the analyzed version of the print, you can retrieve the image of a fingerprint and even pull raw images from the optical sensor!
This module is the economical version of the GT-521F52 and can store up to 200 different fingerprints. It is capable of 360° fingerprint recognition and download/upload templates using serial interface. Additionally, the GT-521Fxx series features a resolution of 450dpi, with a false acceptance rate of <0.001% and a false rejection rate of <0.1% while only needing <1.5 seconds to identify a unique fingerprint!
The module is small and easy to mount using four mounting holes surrounding the sensor. The onboard JST-SH connector has four signals: Vcc, GND, Tx and Rx. A compatible JST-SH pigtail can be found in the Hookup Accessories section below.
Get Started with the Fingerprint Scanner Guide
