ardunio R4 WiFi连接实战

2026-04-29
ardunio R4 WiFi连接实战 关注 作者 关注 作者 关注 作者 关注 作者 2025/03/13 23:05

ardunio WiFi连接模板

ardunio R4 WiFi 开发板有着不错的性能和板载内存，本机自带 WiFi 连接模块，可以完成简单的网络服务。对于这个小东西我情有独钟，也总希望能够用它来做些什么，所以先从 WiFi 连接开始学起，未来考虑一步一步为它接入大模型服务，做出一个小的桌面显示小玩具。 autores trustguru.com.br jvid在线 jvid.asia slot trustguru.com.br Energiabet trustguru.com.br jvid jvid.asia slots trustguru.com.br jogosdemopg trustguru.com.br Pixbet trustguru.com.br

WiFiClient 只能访问简单的http链接

ardunio R4 WiFi开发板依赖WiFiS3.h库进行网络连接。同时，最好新建一个保存密钥的头文件保存WiFi名称和密码。 tigrinhodemo trustguru.com.br carlos trustguru.com.br pglucky88 trustguru.com.br demo trustguru.com.br jogodotigrinhodemo trustguru.com.br fortunedragon demo trustguru.com.br carlos trustguru.com.br Caça-níqueis trustguru.com.br

使用WiFiClient声明client对象，用于表示一个TCP/IP客户端（类似于网络套接字）。并声明WiFi连接状态status，初始化为WL_IDLE_STATUS。WifiS3库内置如下几种WiFi连接状态： Bet trustguru.com.br trustguru trustguru.com.br slotdemo trustguru.com.br

  • WL_NO_SHIELD / WL_NO_MODULE ：没有检测到WiFi模块。
  • WL_IDLE_STATUS ：WiFi模块处于空闲状态。
  • WL_NO_SSID_AVAIL ：没有可用的SSID。
  • WL_SCAN_COMPLETED ：WiFi扫描完成。
  • WL_CONNECTED ：成功连接到WiFi网络。
  • WL_CONNECT_FAILED ：连接失败。
  • WL_CONNECTION_LOST ：连接丢失。
  • WL_DISCONNECTED ：断开连接。
  • WL_AP_LISTENING ：WiFi模块作为接入点监听中。
  • WL_AP_CONNECTED ：设备已连接到WiFi模块作为接入点。
  • WL_AP_FAILED ：接入点模式启动失败。
WiFiClient client;
int status = WL_IDLE_STATUS;

之后在setup中配置网络连接初始化：声明波特率 → WiFi连接 → 尝试连接直到成功 → 打印IP。 slotpix trustguru.com.br ana trustguru.com.br

void setup() {
    Serial.begin(115200);
    delay(1000);

    Serial.println("Connecting to WiFi");
    WiFi.begin(ssid, pass);                          //WifiS3库已经内置WiFi全局变量，可以直接使用

    while(WiFi.status() != WL_CONNECTED){
        delay(500);
        Serial.print(".");
    }

    Serial.println("Connected to WiFi");
    Serial.println("IP Address: ");
    Serial.println(WiFi.localIP());

}

WiFiSSLClient 可以访问https安全链接

WiFiClient只能访问基础的http连接，想要允许 Arduino 设备通过 WiFi 网络与支持 SSL/TLS 加密的服务器建立安全连接，从而安全地发送和接收数据需要使用WiFiSSLClient 类。它的使用方法和WiFiClient相似，只需改为声明WiFiSSLClient client; 。 KTO trustguru.com.br slotsdemo trustguru.com.br fernanda trustguru.com.br

为了向服务器发送请求，我们使用如下方式添加请求内容： Blaze trustguru.com.br Superbet trustguru.com.br pg trustguru.com.br jogos trustguru.com.br miguel trustguru.com.br

if (client.connect(server, 443)) {
    Serial.println("connected to server");
    client.println("GET / HTTP/1.1");
    client.println("Host: www.google.com");
    client.println("Connection: close");
    client.println();
}

client.connect(server, 443)这行代码尝试通过TCP/IP协议连接到目标服务器的443端口（HTTPS默认端口）。如果连接成功，说明Arduino已经与网页服务器建立了通信通道。 jvid视频 jvid.asia isabela trustguru.com.br

client.println() 是用来向服务器发送HTTP请求，GET / HTTP/1.1表示请求根路径（/）的内容，使用HTTP 1.1协议；**Host: www.google.com指定目标主机名；Connection: close**告诉服务器在响应完成后关闭连接。 pgdemo trustguru.com.br guias trustguru.com.br rafael trustguru.com.br

请求完成，我们可以使用如下方式查看服务器响应内容： bonus trustguru.com.br tigrinho gratis trustguru.com.br jvid av jvid.asia pgslotgacor trustguru.com.br jvid jvid.asia bet365 trustguru.com.br

void read_response() {
    uint32_t received_data_num = 0;
    while (client.available()) {
        /* actual data reception */
        char c = client.read();
        /* print data to serial port */
        Serial.print(c);
        /* wrap data to 80 columns*/
        received_data_num++;
        if(received_data_num % 80 == 0) {
            Serial.println();
        }
    }
}

参考完整示例，访问文章为Claude桌面端集成tavily搜索 - cassinos trustguru.com.br pesquisa trustguru.com.br sugarrush1000demo trustguru.com.br siro-5652 jvid.asia Cassinos trustguru.com.br sofia trustguru.com.br marcos trustguru.com.br Superbet trustguru.com.br

/*
  TLS WiFi Web client - 访问文章
  
  Board CA Root certificate bundle is embedded inside WiFi firmware:
  https://github.com/arduino/uno-r4-wifi-usb-bridge/blob/main/certificates/cacrt_all.pem
*/

#include "WiFiS3.h"
#include "WiFiSSLClient.h"
#include "IPAddress.h"

#include "secret.h"

///////please enter your sensitive data in the Secret tab/arduino_secrets.h
char ssid[] = SECRET_SSID;        // your network SSID (name)
char pass[] = SECRET_PASS;        // your network password (use for WPA, or use as key for WEP)

int status = WL_IDLE_STATUS;
// 修改为网站
char server[] = ".com";    // 网站域名

// Initialize the SSL client
WiFiSSLClient client;

/* -------------------------------------------------------------------------- */
void setup() {
/* -------------------------------------------------------------------------- */
  //Initialize serial and wait for port to open:
  Serial.begin(115200);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }

  // check for the WiFi module:
  if (WiFi.status() == WL_NO_MODULE) {
    Serial.println("Communication with WiFi module failed!");
    // don't continue
    while (true);
  }

  String fv = WiFi.firmwareVersion();
  if (fv < WIFI_FIRMWARE_LATEST_VERSION) {
    Serial.println("Please upgrade the firmware");
  }

  // attempt to connect to WiFi network:
  while (status != WL_CONNECTED) {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network.
    status = WiFi.begin(ssid, pass);

    // wait 10 seconds for connection:
    delay(10000);
  }

  printWifiStatus();

  Serial.println("\nStarting connection to .com...");
  // if you get a connection, report back via serial:

  if (client.connect(server, 443)) {
    Serial.println("connected to server");
    // Make a HTTP request for the specific article:
    client.println("GET /post/97248 HTTP/1.1");
    client.println("Host: .com");
    client.println("User-Agent: Mozilla/5.0 (compatible; Arduino/1.0)");  // 添加更友好的User-Agent
    client.println("Accept: text/html");                                  // 接受HTML内容
    client.println("Connection: close");
    client.println();
  } else {
    Serial.println("Connection to server failed");
  }
}

/* just wrap the received data up to 80 columns in the serial print*/
/* -------------------------------------------------------------------------- */
void read_response() {
/* -------------------------------------------------------------------------- */
  uint32_t received_data_num = 0;
  while (client.available()) {
    /* actual data reception */
    char c = client.read();
    /* print data to serial port */
    Serial.print(c);
    /* wrap data to 80 columns*/
    received_data_num++;
    if(received_data_num % 80 == 0) {
      Serial.println();
    }
  }
}

/* -------------------------------------------------------------------------- */
void loop() {
/* -------------------------------------------------------------------------- */
  read_response();

  // if the server's disconnected, stop the client:
  if (!client.connected()) {
    Serial.println();
    Serial.println("disconnecting from server.");
    client.stop();

    // do nothing forevermore:
    while (true);
  }
}

/* -------------------------------------------------------------------------- */
void printWifiStatus() {
/* -------------------------------------------------------------------------- */
  // print the SSID of the network you're attached to:
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your board's IP address:
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);

  // print the received signal strength:
  long rssi = WiFi.RSSI();
  Serial.print("signal strength (RSSI):");
  Serial.print(rssi);
  Serial.println(" dBm");
}

串口打印示例： JogodoTigrinho trustguru.com.br slots trustguru.com.br kto trustguru.com.br 200gana-3359 jvid.asia noticias trustguru.com.br como trustguru.com.br

14:11:22.536 -> SSID: ZTE_2AED09
14:11:22.536 -> IP Address: 192.168.0.5
14:11:22.578 -> signal strength (RSSI):-51 dBm
14:11:22.578 -> 
14:11:22.578 -> Starting connection to .com...
14:11:23.804 -> connected to server
14:11:24.536 -> HTTP/1.1 200 OK
14:11:24.536 -> Date: Thu, 13 Mar 2025 06:11:22 GMT
14:11:24.536 -> Content-Type: text/html; c
14:11:24.536 -> harset=utf-8
14:11:24.536 -> Content-Length: 119824
14:11:24.536 -> Connection: close
14:11:24.536 -> Vary: Accept-Encoding
14:11:24.536 -> 
14:11:24.536 -> Cache-Control: no-store
14:11:24.536 -> 
14:11:24.536 -> <!DOCTYPE html>
14:11:24.536 -> <html lang="zh-CN" id="html">
14:11:24.536 -> <head>
14:11:24.536 -> 
14:11:24.536 ->   <meta charset="utf-8">
14:11:24.536 ->   <meta name="viewport" content="width=device-width, us
14:11:24.536 -> er-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, viewpor
14:11:24.568 -> t-fit=cover">
14:11:24.568 ->   <meta name="theme-color" content="" />
14:11:24.568 ->   <meta
14:11:24.568 ->     http-equiv="C
14:11:24.568 -> ontent-Security-Policy"
14:11:24.568 ->     content="frame-src https://.com https://*.
14:11:24.568 -> .com https://*.bilibili.com https://bilibili.com https://v.qq.com https://embed.
14:11:24.568 -> music.apple.com https://jinshuju.net https://share.newsroom.apple;"
14:11:24.607 ->   >
14:11:24.607 ->   <meta 
14:11:24.607 -> name="fragment" content="!">
14:11:24.607 ->   <link rel="shortcut icon" href="https://cdn-stati
14:11:24.607 -> c..com/favicon/.ico" type="image/x-icon" />
14:11:24.607 ->   <link rel="icon" href="h

...

14:11:48.951 ->     var _hmt = _hmt || []
14:11:48.951 -> ;
14:11:48.951 ->     (function () {
14:11:48.951 ->       var hm = document.createElement("script");
14:11:48.951 ->       hm.s
14:11:48.951 -> rc = "//hm.baidu.com/hm.js?92174dab8163cf598817a93d11d5c588";
14:11:48.984 ->       var s = docu
14:11:48.984 -> ment.getElementsByTagName("script")[0];
14:11:48.984 ->       s.parentNode.insertBefore(hm, s);
14:11:48.984 -> 
14:11:48.984 ->     })();
14:11:48.984 -> 
14:11:48.984 ->   </script>
14:11:48.984 ->   <!-- Baidu Push -->
14:11:48.984 ->   <script>
14:11:48.984 ->     (function () {
14:11:48.984 ->      
14:11:48.984 ->  var bp = document.createElement('script');
14:11:48.984 ->       var curProtocol = window.locat
14:11:48.984 -> ion.protocol.split(':')[0];
14:11:48.984 ->       if (curProtocol === 'https') {
14:11:48.984 ->         bp.src 
14:11:48.984 -> = 'https://zz.bdstatic.com/linksubmit/push.js';
14:11:48.984 ->       } else {
14:11:49.025 ->         bp.src = 
14:11:49.025 -> 'http://push.zhanzhang.baidu.com/push.js';
14:11:49.025 ->       }
14:11:49.025 ->       var s = document.getEle
14:11:49.025 -> mentsByTagName("script")[0];
14:11:49.058 ->       s.parentNode.insertBefore(bp, s);
14:11:49.058 ->     })();
14:11:49.058 ->  
14:11:49.058 ->  </script>
14:11:49.058 -> </body>
14:11:49.058 -> </html>
14:11:49.058 -> 
14:11:49.058 -> disconnecting from server.

WiFiServer把ardunio作为服务器

ardunio同样可以作为服务器使用，提供浏览器以http访问IP的能力。它的交互过层如下： demotigrinho trustguru.com.br jogue trustguru.com.br bet365 trustguru.com.br Betano trustguru.com.br

  1. 浏览器（客户端）连接到Arduino的IP地址
  2. 浏览器发送HTTP请求
  3. Arduino处理请求并返回网页内容
  4. 浏览器接收内容并断开连接
  5. Arduino在串口打印“客户端断开连接”

通过声明WiFiServer server(80);来定义服务器。之后，使用server.begin();启动服务器。主循环参考如下： Bet365 trustguru.com.br Brazino777 trustguru.com.br pedro trustguru.com.br

void loop() {
    // 检查是否有新的客户端连接
    WiFiClient client = server.available();

    if (client) {
        Serial.println("新客户连接");
        String currentLine = "";    // 用于存储当前读取的HTTP请求行

        // 当客户端保持连接时持续处理
        while (client.connected()) {
            // 检查是否有数据可读
            if (client.available()) {
                // 逐字符读取HTTP请求
                char c = client.read();
                Serial.write(c);        // 将读取的字符输出到串口监视器

                // 处理换行符
                if (c == '\n') {
                    // 空行标志着HTTP请求头的结束
                    if (currentLine.length() == 0) {
                        sendHttpResponse(client);  // 发送HTTP响应
                        break;                     // 退出处理循环
                    } else {
                        currentLine = "";         // 重置当前行，准备读取下一行
                    }
                } else if (c != '\r') {      // 忽略回车符
                    currentLine += c;           // 将字符添加到当前行
                }
            }
        }

        delay(1);                        // 短暂延时确保数据传输完成
        client.stop();                   // 关闭客户端连接
        Serial.println("客户端断开连接");
    }
}

当浏览器向ardunio发送请求时，ardunio服务器会向客户端发送HTTP响应，通过自定义的sendHttpResponse函数封装了这个响应，它具体如下： demo trustguru.com.br siro-5639 jvid.asia jvid視頻 jvid.asia pragmaticplay trustguru.com.br

void sendHttpResponse(WiFiClient &client) {
    // 发送HTTP头
    client.println("HTTP/1.1 200 OK");
    client.println("Content-Type: text/html; charset=UTF-8");
    client.println("Connection: close");
    client.println();

    // 发送HTML内容
    client.print(HTML_HEADER);

    // 可以在这里处理动态内容替换
    String content = HTML_CONTENT;
    content.replace("%SERVER_TIME%", String(millis() / 1000));
    client.print(content);

    client.print(HTML_FOOTER);
}
  • client.println("HTTP/1.1 200 OK"); ：这行代码发送HTTP状态行。 HTTP/1.1 表示使用的HTTP协议版本， 200 是状态码，代表请求已成功处理， OK 是状态码对应的文本描述。客户端收到这个状态行后，就知道请求已经成功处理。
  • client.println("Content-Type: text/html; charset=UTF-8"); ：这行代码发送 Content-Type 头部。它告诉客户端响应内容的类型是HTML，并且使用的字符编码是UTF - 8。这样客户端就能正确解析和显示响应内容。
  • client.println("Connection: close"); ：这行代码发送 Connection 头部。 close 表示在响应完成后，服务器会关闭与客户端的连接。这是一种常见的做法，特别是在处理简单的HTTP请求时。
  • client.println(); ：这行代码发送一个空行。在HTTP协议中，空行用于分隔头部和主体。发送空行后，后续发送的内容就是响应的主体部分了。

服务器完整示例如下 Sportingbet trustguru.com.br 348ntr-097 jvid.asia fortunetigerdemográtis trustguru.com.br

#include "WiFiS3.h"
#include "IPAddress.h"
#include "secret.h" // 确保创建此文件
#include "html_content.h"

// 在arduino_secrets.h中定义您的网络凭据
// #define SECRET_SSID "ZTE_2AED09" 
// #define SECRET_PASS "您的密码"
char ssid[] = SECRET_SSID;
char pass[] = SECRET_PASS;

int status = WL_IDLE_STATUS;
WiFiServer server(80);

void setup() {
    // 初始化串口通信
    Serial.begin(115200);
    while (!Serial) {
        ; // 等待串口连接
    }

    Serial.println("Arduino Web Server启动");

    // 检查WiFi模块
    if (WiFi.status() == WL_NO_MODULE) {
        Serial.println("WiFi模块通信失败!");
        while (true); // 不继续
    }

    // 检查固件版本
    String fv = WiFi.firmwareVersion();
    Serial.print("WiFi固件版本: ");
    Serial.println(fv);
    if (fv < WIFI_FIRMWARE_LATEST_VERSION) {
        Serial.println("请升级固件");
    }

    // 连接到WiFi网络
    while (status != WL_CONNECTED) {
        Serial.print("尝试连接到SSID: ");
        Serial.println(ssid);
        // 连接到WPA/WPA2网络
        status = WiFi.begin(ssid, pass);

        // 等待10秒连接
        delay(10000);
    }

    // 打印WiFi状态
    printWifiStatus();

    // 启动服务器
    server.begin();
    Serial.println("服务器已启动");
}

void loop() {
    // 检查是否有新的客户端连接
    WiFiClient client = server.available();

    if (client) {
        Serial.println("新客户连接");
        String currentLine = "";    // 用于存储当前读取的HTTP请求行

        // 当客户端保持连接时持续处理
        while (client.connected()) {
            // 检查是否有数据可读
            if (client.available()) {
                // 逐字符读取HTTP请求
                char c = client.read();
                Serial.write(c);        // 将读取的字符输出到串口监视器

                // 处理换行符
                if (c == '\n') {
                    // 空行标志着HTTP请求头的结束
                    if (currentLine.length() == 0) {
                        sendHttpResponse(client);  // 发送HTTP响应
                        break;                     // 退出处理循环
                    } else {
                        currentLine = "";         // 重置当前行，准备读取下一行
                    }
                } else if (c != '\r') {      // 忽略回车符
                    currentLine += c;           // 将字符添加到当前行
                }
            }
        }

        delay(1);                        // 短暂延时确保数据传输完成
        client.stop();                   // 关闭客户端连接
        Serial.println("客户端断开连接");
    }
}

void sendHttpResponse(WiFiClient &client) {
    // 发送HTTP头
    client.println("HTTP/1.1 200 OK");
    client.println("Content-Type: text/html; charset=UTF-8");
    client.println("Connection: close");
    client.println();

    // 发送HTML内容
    client.print(HTML_HEADER);

    // 可以在这里处理动态内容替换
    String content = HTML_CONTENT;
    content.replace("%SERVER_TIME%", String(millis() / 1000));
    client.print(content);

    client.print(HTML_FOOTER);
}

void printWifiStatus() {
    // 打印SSID
    Serial.print("SSID: ");
    Serial.println(WiFi.SSID());

    // 打印IP地址
    IPAddress ip = WiFi.localIP();
    Serial.print("IP Address: ");
    Serial.println(ip);

    // 打印信号强度
    long rssi = WiFi.RSSI();
    Serial.print("signal strength (RSSI):");
    Serial.print(rssi);
    Serial.println(" dBm");

    // 显示访问链接
    Serial.println();
    Serial.print("在浏览器中访问 http://");
    Serial.println(ip);
}

http网页 A5game trustguru.com.br pondo-022126_001 jvid.asia sweetbonanza1000demo trustguru.com.br bruno trustguru.com.br pgslot trustguru.com.br bonus trustguru.com.br

#ifndef HTML_CONTENT_H
#define HTML_CONTENT_H

// HTML头部
const char HTML_HEADER[] PROGMEM = R"rawliteral(
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Arduino Web服务器</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      margin: 20px;
      text-align: center;
      background-color: #f0f0f0;
    }
    h1 {
      color: #0066cc;
    }
    .container {
      max-width: 800px;
      margin: 0 auto;
      background-color: white;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
  </style>
</head>
<body>
  <div class="container">
)rawliteral";

// 主要内容
const char HTML_CONTENT[] PROGMEM = R"rawliteral(
    <h1>Arduino Web服务器</h1>
    <p>欢迎访问Arduino UNO R4 WiFi服务器!</p>
    <p>服务器运行正常</p>
    <p>当前时间: <span id="server-time">%SERVER_TIME%</span></p>
)rawliteral";

// 底部
const char HTML_FOOTER[] PROGMEM = R"rawliteral(
  </div>
</body>
</html>
)rawliteral";

#endif

串口打印 sobre trustguru.com.br pragmatic trustguru.com.br a5game trustguru.com.br fortuneoxdemográtis trustguru.com.br plataformademo trustguru.com.br

打开浏览器，访问http://192.168.0.5 fortunetigerbônusgrátissemdepósito trustguru.com.br plataformademográtis trustguru.com.br Pixbet trustguru.com.br

00目录 0
    讨论 我来说一句 发布发表评论 发布0等 0 人为本文章充电 芯片行业大活人 日常躺平 关注