Grove – Fingerprint Sensor 光學指紋感測器模組 指紋建檔/識別

商品說明

指紋感測器模組通過光學檢測，識別輸入的指紋是否和已經建檔錄存的指紋數據統一。本指紋識別感測器採用高性能的DSP晶片進行圖片渲染、計算、識別、搜索。你也可以直接錄存新的指紋，最多可以錄入162個。當傳感器工作時，紅色LED開始閃爍。適合用來做指紋鎖等項目。

參數規格

• 工作電壓: 3.6~6.0 V
• 最大工作電流 : 120 mA
• 響應時間: 1.0 S
• 匹配模式：1:1
• 搜索模式: 1:N
• 指紋存儲數: 162個
• 錯誤接受機率: 0.001% (安全等級3）
• 錯誤拒絕機率：1.0% (安全等級3)
• 運行速率：9600, 19200, 28800, 38400, 57600bps (默認為57600)
• 通信方式：TTL串口
• 工作溫度：-20 ~ +50 ℃

• 接口說明

應用示例

• 將指紋傳感器連接到數字口2，當鏡面處的紅色LED亮起時，說明處於工作狀態。

• 下載File:Finger Print Sensor Library，解壓至以下路徑: ..arduino-1.0.1libraries.

• 按以下路徑打開文件:File -> Example ->FingerPrint->Enroll，下載到Arduino上。

• 打開串口工具，選擇串口序號和運行速率。
• 選擇”SendNew”，發送你要使用的ID。最多可以使用162個ID #。這是會顯示要求你按壓手指，按壓時紅色LED會閃爍。

• 如果你的按壓成功，會看到以下顯示，然後重複操作，記得用同一個手指。

• 如果按壓錯誤，會看到以下顯示。

錄入指紋成功後，你一定迫不及待試試吧。

• 首先打開文件fingerprint，然後下載到Arduino。
• 搞定後，嘗試用不同的手指去按，如果是對的你就會得到一個如下圖的ID #。

• 如果按壓的不是手指，串口輸出空白。

Introduction

The Finger Print Sensor is one optical fingerprint sensor which will make fingerprint detection and verification adding super simple.There’s a high powered DSP chip AS601 that does the image rendering, calculation, feature-finding and searching. You can also enroll new fingers directly – up to 162 finger prints can be stored in the onboard FLASH memory. There’s a red LED in the lens which will light up during taking photos so that you know its working condition. It is easy to use and by far the best fingerprint sensor you can get.

Model:SEN04172P

Specification

• Supply voltage: 3.6~6.0 V
• Operating current(Max) : 120 mA
• Fingerprint imaging time: 1.0 S
• Match Mode: Compare Mode 1:1
• Search Mode: 1:N
• Storage capacity: 162 templates
• False Acceptance Rate : 0.001% (Security level 3)
• False Reject Rate ：1.0% (Security level 3)
• Baud rate ：9600, 19200, 28800, 38400, 57600bps (default is 57600)
• Interface：TTL Serial
• Work Temperature：-20 ~ +50 ℃

• Interface

Demonstration

The Finger Print Sensor module is typically used in safes – there’s a high powered DSP chip that does the image rendering, calculation, feature-finding and searching. Connect to any microcontroller or system with TTL serial, and send packets of data to take photos, detect prints, hash and search. You can also enroll new fingers directly – up to 162 finger prints that can be stored in the onboard FLASH memory. There’s a red LED in the lens which will light up during taking photos so that you know its working condition.

• Connect the Sensor to the Digital Port 2 of the Grove – Base Shield.
• Plug the Grove – Base Shield into Arduino and connect Arduino to PC by using a USB cable.

When you plug in the power, you can see the red LED blink which indicates the sensor is working.

• Download the Finger Print Sensor Library and Unzip it into the libraries file of Arduino IDE by the path: ..arduino-1.0.1libraries.

The library can enroll and search so its perfect for any project. It can help you get running in under 10 minutes. There are basically two requirements for using the optical fingerprint sensor. First one, you’ll need to enroll fingerprints – that means assigning ID #’s to each print so you can query them later. Once you’ve enrolled all your prints, you can easily ‘search’ the sensor, asking it to identify which ID (if any) has currently been photographed.

• Open the enroll code directly by the path: File -> Example ->FingerPrint->Enroll.
• Upload the code into Arduino.
• Start up Serial Tool and Select the ComNum and BuadRate used by the Arduino.
• Select the “SendNew” option. Send the ID # you want to use. You can use up to 162 ID numbers. And it will ask you to press the finger to the sensor. At the moment, you should see the red LED blink.

• If your press is OK, you could see the following message. You will then have to repeat the process, to get a second clean print. Use the same finger! On success you will get notice.

• If there’s a problem such as a bad print or image, you’ll have to do it again.

Once you have the finger enrolled, it’s a good idea to do a quick test to make sure it can be found in the database.

• Open the demo code:fingerprint and upload it.
• When prompted, press a different/same finger to the sensor. If it is the same finger, you should get a match with the ID # as show below.

• If it is not a finger in the database, This serial port will output nothing.