[mw_shl_code=arduino,true]/*

【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)

实验一百五十：AS608光学指纹识别模块+0.91寸OLED液晶屏显示模块

安装AS608库：IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装

安装OLED库：IDE—工具—管理库—搜索Adafruit_SSD1306—安装

安装OLED库：IDE—工具—管理库—搜索Adafruit_GFX—安装

实验程序之十三：识别指纹ID,OLED显示识别人名

AS608模块实验接线

Vi      +3.3V(请勿接3.3V以上电源，否则烧毁模块！)

TX      2

RX      3

GND    GND

OLED 屏幕实验接线

oled模块    Ardunio Uno

GND———GND接地线

VCC———5V 接电源

SDA———A4

SCL ——- A5

*/

#include

#include

#include

#define OLED_RESET 4

Adafruit_SSD1306 display(OLED_RESET);

#include

#include

SoftwareSerial mySerial(2, 3);

Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

int fingerprintID = 0;

String IDname;

void setup() {

//Fingerprint sensor module setup

Serial.begin(9600);

// set the data rate for the sensor serial port

finger.begin(57600);

if (finger.verifyPassword()) {

Serial.println(“Found fingerprint sensor!”);

}

else {

Serial.println(“Did not find fingerprint sensor

while (1) {

delay(1);

}

}

//OLED display setup

Wire.begin();

display.begin(SSD1306_SWITCHCAPVCC, 0x3C);

//displays main screen

displayMainScreen();

}

void loop() {

displayMainScreen();

fingerprintID = getFingerprintIDez();

delay(50);

if (fingerprintID == 1 || fingerprintID == 3) {

IDname = “huadiao”;

displayUserGreeting(IDname);

}

else if (fingerprintID == 2) {

IDname = “zhanghaoze”;

displayUserGreeting(IDname);

}

}

// returns -1 if failed, otherwise returns ID #

int getFingerprintIDez() {

uint8_t p = finger.getImage();

if (p != FINGERPRINT_OK)  return -1;

p = finger.image2Tz();

if (p != FINGERPRINT_OK)  return -1;

p = finger.fingerFastSearch();

if (p != FINGERPRINT_OK)  return -1;

// found a match!

Serial.print(“Found ID #”);

Serial.print(finger.fingerID);

Serial.print(” with confidence of “);

Serial.println(finger.confidence);

return finger.fingerID;

}

void displayMainScreen() {

display.clearDisplay();

display.setTextSize(1);

display.setTextColor(WHITE);

display.setCursor(7, 5);

display.println(“Waiting fingerprint”);

display.setTextSize(1);

display.setTextColor(WHITE);

display.setCursor(52, 20);

display.println(“…”);

display.display();

delay(2000);

}

void displayUserGreeting(String Name) {

display.clearDisplay();

display.setTextColor(WHITE);

display.setTextSize(2);

display.setCursor(0, 0);

display.print(“Hello”);

display.setCursor(0, 15);

display.print(Name);

display.display();

delay(5000);

fingerprintID = 0;

}[/mw_shl_code]

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