Arduino门禁控制

#include  //引入ESP8266Wifi库
#include 
#include 
#define OUT D3
const char* ssid     = "Tenda_261AD0";
const char* password = "ghq13336261416";

const char* httpHost = "192.168.0.105";//服务器ip
const int httpPort = 8080;//服务器端口号


IPAddress local(192,168,0,104);//本地arduino ip
IPAddress gateway(192,168,0,1);
IPAddress subnet(255,255,255,0);

MFRC522 mfrc522(D10, D9);   // 创建MFRC实例

void setup()
{
    
  Serial.begin(115200);//端口初始化
  Serial.println();
  WiFi.begin(ssid, password); //就只需要这一句就可以连接到一个网络了,括号内参数分别为网络名称（SSID）和网络密码
  Serial.print("Connecting");
  while (WiFi.status() != WL_CONNECTED) //等待网络连接成功
  {
    delay(300);
    Serial.print(".");
  }
  WiFi.config(local, gateway, subnet);
  Serial.println();
  Serial.print("Wifi OK！  Arduino IP address: ");
  Serial.println(WiFi.localIP()); //通过串口打印输出模块在网络中的IP地址

  pinMode(OUT,OUTPUT);//电控锁信号
//  pinMode(OUT,OUTPUT);//蜂鸣器两声表示wifi连接成功
//  digitalWrite(OUT,HIGH);
//  delay(300);
//  digitalWrite(OUT,LOW);
//  delay(300);
//  digitalWrite(OUT,HIGH);
//  delay(300);
//  digitalWrite(OUT,LOW);
  
  SPI.begin();      // Initiate  SPI bus
  mfrc522.PCD_Init();   // Initiate MFRC522
  Serial.println("系统开启,请将你的卡片放置感应区...");


  //pinMode(D2,OUTPUT);
}

void loop() {
    // 寻找新卡
  if ( ! mfrc522.PICC_IsNewCardPresent()) 
  {
    return;
  }
  // Select one of the cards
  if ( ! mfrc522.PICC_ReadCardSerial()) 
  {
    return;
  }
  //显示卡号 b6a5eebc 182165238188
  //Serial.print("UID tag :");
  String content= "";
  for (byte i = 0; i < mfrc522.uid.size; i++) 
  {
     //Serial.println(mfrc522.uid.uidByte[i]);
     //Serial.print(mfrc522.uid.uidByte[i], HEX);
     content+=mfrc522.uid.uidByte[i];
  }
  Serial.print("Card ID : ");
  Serial.println(content);
//  if(content!="")
//  {
//    digitalWrite(OUT,HIGH);
//    delay(300);
//    digitalWrite(OUT,LOW);
//  }
  
  String url = "/LIMS/ArduinoDoor?ID=";
  url+=content;
  WiFiClient client;
  client.connect(httpHost, httpPort);
  client.print(String("GET ")+url+"HTTP/1.1\r\n" + 
              "Host: " + httpHost + "\r\n" + 
              "Connection: Keep Alive\r\n");

                
  unsigned long timeout = millis();
  while(client.available() == 0){
    if(millis() - timeout > 1000){
      client.stop();
      return;
    }
  }
  while(client.available()){  
  String r = client.readStringUntil('\r');
    if(r.equals("Yes"))
    {
      digitalWrite(OUT,HIGH);
      delay(3500);
      digitalWrite(OUT,LOW);
      Serial.println("允许进入！");
   }
    else
    {
//      digitalWrite(OUT,HIGH);
//      delay(300);
//      digitalWrite(OUT,LOW);
//      delay(300);
//      digitalWrite(OUT,HIGH);
//      delay(300);
//      digitalWrite(OUT,LOW);
//      delay(300);
      Serial.println("不允许进入！");
     }
  }


}