{"id":77661,"date":"2026-02-25T06:06:41","date_gmt":"2026-02-24T22:06:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/77661.html"},"modified":"2026-02-25T06:06:41","modified_gmt":"2026-02-24T22:06:41","slug":"esp32-%e5%ae%9e%e6%88%98%e6%95%99%e7%a8%8b%ef%bc%9a%e6%90%ad%e5%bb%ba-web-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%9e%e7%8e%b0-led-%e8%bf%9c%e7%a8%8b%e5%bc%80%e5%85%b3%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/77661.html","title":{"rendered":"ESP32 \u5b9e\u6218\u6559\u7a0b\uff1a\u642d\u5efa Web \u670d\u52a1\u5668\u5b9e\u73b0 LED \u8fdc\u7a0b\u5f00\u5173\u63a7\u5236"},"content":{"rendered":"

\u4e00.\u5b9e\u9a8c\u6750\u6599<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 1.esp32\u677f\u5b50<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 2.led<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 3.220\u6b27\u7684\u7535\u963b<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 4.\u9762\u5305\u677f<\/p>\n

\u4e8c.\u5b9e\u9a8c\u601d\u8def<\/p>\n

\u5176\u5b9e\u505a\u8fd9\u4e2a\u5b9e\u9a8c\u7684\u6838\u5fc3\u5c31\u662f\u8ba9 ESP32 \u65e2\u5f53 \u201cWiFi \u70ed\u70b9 \/ \u8054\u7f51\u8bbe\u5907\u201d，\u53c8\u5f53 \u201cWeb \u670d\u52a1\u5668\u201d，\u8fd8\u80fd\u54cd\u5e94\u7f51\u9875\u7684\u64cd\u4f5c\u53bb\u63a7\u5236\u786c\u4ef6，\u8bf4\u767d\u4e86\u5c31\u662f\u628a \u201c\u7f51\u7edc\u8bf7\u6c42\u201d \u548c \u201cGPIO \u5f15\u811a\u63a7\u5236\u201d \u4e32\u8d77\u6765，\u5177\u4f53\u62c6\u6210\u8fd9\u51e0\u6b65\u60f3\u5c31\u5f88\u6e05\u6670：<\/p>\n

1. \u5148\u60f3\u6e05\u695a \u201c\u600e\u4e48\u8ba9\u8bbe\u5907\u8054\u7f51\u201d<\/h5>\n

\u9996\u5148\u5f97\u8ba9 ESP32 \u80fd\u548c\u7535\u8111 \/ \u624b\u673a\u901a\u4fe1，\u6700\u76f4\u63a5\u7684\u5c31\u662f\u4e24\u79cd\u65b9\u5f0f：\u8981\u4e48\u8ba9 ESP32 \u8fde\u5bb6\u91cc\u7684\u8def\u7531\u5668（STA \u6a21\u5f0f），\u8981\u4e48\u8ba9\u5b83\u81ea\u5df1\u5efa\u4e2a WiFi \u70ed\u70b9（SoftAP \u6a21\u5f0f）\u3002\u65b0\u624b\u505a\u7684\u8bdd\u4f18\u5148\u9009\u70ed\u70b9\u6a21\u5f0f，\u4e0d\u7528\u4f9d\u8d56\u8def\u7531\u5668，\u624b\u673a\u76f4\u63a5\u8fde ESP32 \u7684\u70ed\u70b9\u5c31\u80fd\u901a\u4fe1，\u5c11\u4e86 \u201c\u627e\u8def\u7531\u5668 IP\u3001\u914d\u7f51\u7edc\u201d \u7684\u9ebb\u70e6，\u5148\u628a\u6838\u5fc3\u529f\u80fd\u8dd1\u901a\u518d\u8bf4\u3002<\/p>\n

2. \u518d\u60f3 \u201c\u600e\u4e48\u8ba9 ESP32 \u53d8\u6210 Web \u670d\u52a1\u5668\u201d<\/h5>\n

Web \u670d\u52a1\u5668\u7684\u672c\u8d28\u5c31\u662f \u201c\u76d1\u542c 80 \u7aef\u53e3，\u63a5\u6536\u6d4f\u89c8\u5668\u7684\u8bf7\u6c42，\u8fd4\u56de\u5bf9\u5e94\u7684\u5185\u5bb9\u201d\u3002\u6240\u4ee5\u7b2c\u4e00\u6b65\u8981\u521d\u59cb\u5316 WebServer \u5e93，\u6307\u5b9a\u76d1\u542c 80 \u7aef\u53e3；\u7136\u540e\u7ed9\u4e0d\u540c\u7684 \u201c\u8bbf\u95ee\u8def\u5f84\u201d \u7ed1\u5b9a\u5bf9\u5e94\u7684\u5904\u7406\u51fd\u6570 \u2014\u2014 \u6bd4\u5982\u8bbf\u95ee\u6839\u8def\u5f84 \u201c\/\u201d \u5c31\u8fd4\u56de\u5e26\u6309\u952e\u7684\u7f51\u9875，\u8bbf\u95ee \u201c\/on\u201d \u5c31\u6267\u884c\u5f00\u706f\u64cd\u4f5c，\u8bbf\u95ee \u201c\/off\u201d \u5c31\u6267\u884c\u5173\u706f\u64cd\u4f5c\u3002\u8fd9\u91cc\u7684\u5173\u952e\u662f：\u6d4f\u89c8\u5668\u70b9\u4e00\u4e0b\u6309\u952e，\u5176\u5b9e\u5c31\u662f\u7ed9 ESP32 \u53d1\u4e86\u4e00\u4e2a HTTP \u8bf7\u6c42，ESP32 \u8bc6\u522b\u8bf7\u6c42\u7684\u8def\u5f84，\u5c31\u77e5\u9053\u8be5\u505a\u4ec0\u4e48\u4e86\u3002<\/p>\n

3. \u63a5\u7740\u60f3 \u201c\u7f51\u9875\u8be5\u600e\u4e48\u5199\u201d<\/h5>\n

\u7f51\u9875\u4e0d\u7528\u641e\u590d\u6742，\u6838\u5fc3\u5c31\u662f\u4e24\u4e2a\u6309\u952e，\u70b9\u4e00\u4e0b\u80fd\u89e6\u53d1\u5bf9\u5e94\u7684\u8bf7\u6c42\u3002\u9996\u5148 HTML \u8981\u7b80\u5355，\u52a0\u4e2a\u6837\u5f0f\u8ba9\u6309\u952e\u597d\u770b\u70b9（\u65b0\u624b\u4e5f\u80fd\u770b\u61c2），\u8fd8\u8981\u52a8\u6001\u663e\u793a\u5f53\u524d LED \u72b6\u6001 \u2014\u2014 \u6bd4\u5982\u5f00\u706f\u540e\u7f51\u9875\u4e0a\u80fd\u663e\u793a \u201c\u5f53\u524d\u72b6\u6001：\u5f00\u542f\u201d，\u8fd9\u6837\u7528\u6237\u80fd\u76f4\u89c2\u770b\u5230\u6548\u679c\u3002\u6309\u952e\u7684\u5b9e\u73b0\u5f88\u7b80\u5355，\u7528<a>\u6807\u7b7e\u5957<button>，\u70b9\u51fb\u540e\u8df3\u8f6c\u5230 \u201c\/on\u201d \u6216 \u201c\/off\u201d \u8def\u5f84，\u672c\u8d28\u5c31\u662f\u8ba9\u6d4f\u89c8\u5668\u7ed9 ESP32 \u53d1\u8fd9\u4e2a\u8def\u5f84\u7684\u8bf7\u6c42\u3002<\/p>\n

4. \u6700\u540e\u628a \u201c\u7f51\u7edc\u8bf7\u6c42\u201d \u548c \u201c\u786c\u4ef6\u63a7\u5236\u201d \u7ed1\u8d77\u6765<\/h5>\n

ESP32 \u6536\u5230 \u201c\/on\u201d \u8bf7\u6c42\u65f6，\u5c31\u628a\u63a7\u5236 LED \u7684 GPIO \u5f15\u811a\u8bbe\u4e3a\u9ad8\u7535\u5e73（\u5f00\u706f）；\u6536\u5230 \u201c\/off\u201d \u8bf7\u6c42\u65f6，\u628a\u5f15\u811a\u8bbe\u4e3a\u4f4e\u7535\u5e73（\u5173\u706f）\u3002\u64cd\u4f5c\u5b8c\u786c\u4ef6\u540e，\u4e00\u5b9a\u8981\u91cd\u5b9a\u5411\u56de\u6839\u8def\u5f84，\u8fd9\u6837\u7528\u6237\u70b9\u5b8c\u6309\u952e\u4f1a\u81ea\u52a8\u56de\u5230\u5e26\u72b6\u6001\u7684\u4e3b\u9875，\u800c\u4e0d\u662f\u505c\u7559\u5728\u7a7a\u767d\u7684 \u201c\/on\u201d \u9875\u9762，\u4f53\u9a8c\u66f4\u987a\u3002<\/p>\n

\u4e09.\u5b9e\u9a8c\u4ee3\u7801<\/p>\n

#include <WiFi.h>
\n#include <WebServer.h>
\n#define ledpin 2
\nconst char* ssid="\u4f60\u7684WiFi\u540d\u79f0";
\nconst char* password="\u4f60\u7684WiFi\u5bc6\u7801";
\nWebServer server(80);
\nvoid handleRoot() {
\n \/\/ \u83b7\u53d6\u5f53\u524dLED\u72b6\u6001
\n String ledState = digitalRead(ledpin) ? "\u5f00\u542f" : "\u5173\u95ed";<\/p>\n

\/\/ \u6784\u5efaHTML\u9875\u9762\u5185\u5bb9
\n String html = "<!DOCTYPE html>";
\n html += "<html lang='zh-CN'>";
\n html += "<head>";
\n html += "<meta charset='UTF-8'>";
\n html += "<meta name='viewport' content='width=device-width, initial-scale=1.0'>";
\n html += "<title>ESP32 LED\u63a7\u5236<\/title>";
\n html += "<style>";
\n html += "body { font-family: Arial, sans-serif; text-align: center; margin-top: 50px; }";
\n html += ".btn { padding: 15px 30px; font-size: 20px; margin: 10px; border: none; border-radius: 8px; cursor: pointer; }";
\n html += ".on { background-color: #4CAF50; color: white; }";
\n html += ".off { background-color: #f44336; color: white; }";
\n html += ".status { font-size: 24px; margin: 20px 0; color: #333; }";
\n html += "<\/style>";
\n html += "<\/head>";
\n html += "<body>";
\n html += "<h1>ESP32 LED\u63a7\u5236\u5668<\/h1>";
\n html += "<div class='status'>\u5f53\u524d\u72b6\u6001：LED " + ledState + "<\/div>";
\n \/\/ \u5f00\u706f\u6309\u952e，\u70b9\u51fb\u540e\u8bbf\u95ee\/on\u8def\u5f84
\n html += "<a href='\/on'><button class='btn on'>\u5f00\u706f<\/button><\/a>";
\n \/\/ \u5173\u706f\u6309\u952e，\u70b9\u51fb\u540e\u8bbf\u95ee\/off\u8def\u5f84
\n html += "<a href='\/off'><button class='btn off'>\u5173\u706f<\/button><\/a>";
\n html += "<\/body>";
\n html += "<\/html>";<\/p>\n

\/\/ \u53d1\u9001HTML\u9875\u9762\u7ed9\u5ba2\u6237\u7aef
\n server.send(200, "text\/html", html);
\n}<\/p>\n

void callbackon(){
\n digitalWrite(ledpin,HIGH);
\n Serial.println("\u5f00\u706f");
\n}<\/p>\n

void callbackoff(){
\n digitalWrite(ledpin,LOW);
\n Serial.println("\u5173\u706f");
\n}
\nvoid setup(){
\n Serial.begin(115200);
\n pinMode(ledpin,OUTPUT);
\n digitalWrite(ledpin,LOW);
\n WiFi.begin(ssid,password);
\n int num=0;
\n while(WiFi.status()!=WL_CONNECTED&&num<100){
\n Serial.print(".");
\n delay(50);
\n num++;
\n }
\n if(WiFi.status()==WL_CONNECTED){
\n Serial.println(WiFi.localIP());
\n }
\n else{
\n Serial.println("\u8fde\u63a5\u5931\u8d25");
\n while(1);
\n }
\n server.on("\/",handleRoot);
\n server.on("\/on",callbackon);
\n server.on("\/off",callbackoff);
\n server.begin();
\n}
\nvoid loop(){
\n server.handleClient();
\n}<\/p>\n

\u200b <\/p>\n

（\u7c97\u7cd9\u4ee3\u7801）<\/p>\n

\u4ee3\u7801\u91cc\u7684\u6536\u83b7：<\/p>\n

1.server.on\u00a0 \u00a0 \u00a0 \u00a0 \u662f\u7528\u6765\u5b9e\u73b0\u70b9\u51fbhtml\u9875\u9762\u4e0a\u7684\u8bbe\u5b9a\u6309\u952e，\u8c03\u7528\u51fd\u6570，\u8fbe\u5230\u5f00\u5173\u706f，\u548c\u8fdb\u5165\u539f\u59cb\u754c\u9762\u7684\u6548\u679c<\/p>\n

2.server.handleClient()\u00a0 \u00a0 \u00a0 \u00a0 \u662f\u7528\u6765\u6301\u7eed\u4fdd\u6301\u76d1\u542c\u7684<\/p>\n

\u56db.\u5b9e\u9a8c\u56fe\u7247<\/p>\n

\"\"<\/p>\n<\/p>\n

\"\"<\/p>\n

\n

\u4e94.\u9047\u5230\u7684\u95ee\u9898\u4e0e\u89e3\u51b3<\/p>\n

\u505a\u8fd9\u4e2a ESP32 Web \u670d\u52a1\u5668\u63a7\u5236 LED \u7684\u5b9e\u9a8c，\u770b\u4f3c\u7b80\u5355，\u4f46\u65b0\u624b\u5f88\u5bb9\u6613\u5361\u5728\u5404\u79cd\u5c0f\u95ee\u9898\u4e0a，\u6211\u628a\u5b9e\u64cd\u4e2d\u9047\u5230\u7684\u6838\u5fc3\u95ee\u9898\u548c\u5bf9\u5e94\u7684\u89e3\u51b3\u529e\u6cd5\u6574\u7406\u5982\u4e0b：<\/p>\n

\u95ee\u9898 1：\u8fde\u63a5 ESP32 \u70ed\u70b9\u540e，\u6d4f\u89c8\u5668\u8bbf\u95ee IP \u5730\u5740\u4e00\u76f4\u6253\u4e0d\u5f00\u7f51\u9875<\/h5>\n

\u73b0\u8c61：\u624b\u673a \/ \u7535\u8111\u8fde\u597d\u4e86 ESP32 \u7684 WiFi \u70ed\u70b9，\u8f93\u5165\u4e32\u53e3\u663e\u793a\u7684 IP（\u6bd4\u5982 192.168.4.1），\u6d4f\u89c8\u5668\u63d0\u793a \u201c\u65e0\u6cd5\u8bbf\u95ee\u201d\u201c\u8fde\u63a5\u8d85\u65f6\u201d\u3002\u6392\u67e5 & \u89e3\u51b3：<\/p>\n

  • \u5148\u770b\u4e32\u53e3\u76d1\u89c6\u5668：\u786e\u8ba4\u4ee3\u7801\u4e0a\u4f20\u6210\u529f\u540e，\u4e32\u53e3\u6709\u6ca1\u6709\u6253\u5370 \u201cWiFi \u70ed\u70b9\u5df2\u542f\u52a8，IP \u5730\u5740：192.168.4.1\u201d，\u5982\u679c\u6ca1\u6253\u5370，\u5927\u6982\u7387\u662f WiFi \u521d\u59cb\u5316\u5931\u8d25，\u91cd\u65b0\u4e0a\u4f20\u4ee3\u7801\u6216\u91cd\u542f ESP32\u3002<\/li>\n
  • \u68c0\u67e5\u8bbe\u5907\u7f51\u7edc：\u624b\u673a\u8fde ESP32 \u70ed\u70b9\u540e，\u5173\u6389\u624b\u673a\u7684\u79fb\u52a8\u6570\u636e（\u907f\u514d\u7cfb\u7edf\u81ea\u52a8\u5207\u6362\u7f51\u7edc）；\u7535\u8111\u8fde\u70ed\u70b9\u540e，\u786e\u8ba4 IPv4 \u5730\u5740\u662f 192.168.4.x \u7f51\u6bb5（\u4e0d\u662f\u7684\u8bdd\u624b\u52a8\u8bbe\u7f6e：IP \u586b 192.168.4.2，\u7f51\u5173\u586b 192.168.4.1）\u3002<\/li>\n
  • \u7aef\u53e3\u662f\u5426\u88ab\u5360\u7528：\u786e\u8ba4\u4ee3\u7801\u91cc WebServer \u76d1\u542c\u7684\u662f 80 \u7aef\u53e3（\u9ed8\u8ba4\u7aef\u53e3，\u6d4f\u89c8\u5668\u8bbf\u95ee\u65f6\u4e0d\u7528\u52a0\u7aef\u53e3\u53f7），\u5982\u679c\u6539\u4e86\u7aef\u53e3，\u8bbf\u95ee\u65f6\u8981\u52a0 \u201cIP: \u7aef\u53e3\u53f7\u201d（\u6bd4\u5982 192.168.4.1:8080）\u3002<\/li>\n
    \u95ee\u9898 2：\u7f51\u9875\u80fd\u6253\u5f00，\u4f46\u70b9\u51fb \u201c\u5f00\u706f \/ \u5173\u706f\u201d \u6309\u952e\u6ca1\u53cd\u5e94，LED \u4e0d\u4eae<\/h5>\n

    \u73b0\u8c61：\u7f51\u9875\u52a0\u8f7d\u6b63\u5e38，\u80fd\u770b\u5230\u6309\u952e\u548c\u72b6\u6001，\u4f46\u70b9\u51fb\u6309\u952e\u540e，LED \u6ca1\u53d8\u5316，\u7f51\u9875\u72b6\u6001\u4e5f\u4e0d\u66f4\u65b0\u3002\u6392\u67e5 & \u89e3\u51b3：<\/p>\n

  • \u5148\u67e5\u5f15\u811a\u914d\u7f6e：\u786e\u8ba4\u4ee3\u7801\u91cc\u7684ledPin\u662f\u5b9e\u9645\u63a7\u5236\u7684\u5f15\u811a（\u6bd4\u5982\u677f\u8f7d LED \u662f GPIO2，\u6709\u4e9b\u5f00\u53d1\u677f\u662f GPIO13），\u53ef\u4ee5\u5148\u5199\u4e2a\u7b80\u5355\u7684\u95ea\u70c1\u7a0b\u5e8f\u6d4b\u8bd5\u5f15\u811a\u662f\u5426\u6b63\u5e38\u3002<\/li>\n
  • \u67e5\u8def\u7531\u7ed1\u5b9a：\u786e\u8ba4\u4ee3\u7801\u91ccserver.on("\/on", handleOn)\u548cserver.on("\/off", handleOff)\u8fd9\u4e24\u884c\u6ca1\u5199\u9519，\u8def\u5f84\u540d（\/on\u3001\/off）\u8981\u548c HTML \u91cc<a href='\/on'>\u7684\u8def\u5f84\u5b8c\u5168\u4e00\u81f4（\u533a\u5206\u5927\u5c0f\u5199！\u6bd4\u5982 \/ On \u548c \/on \u662f\u4e24\u4e2a\u8def\u5f84）\u3002<\/li>\n
  • \u67e5\u7535\u5e73\u903b\u8f91：\u6709\u4e9b LED \u662f \u201c\u4f4e\u7535\u5e73\u70b9\u4eae\u201d（\u5171\u9633\u63a5\u6cd5），\u8fd9\u65f6\u8981\u628adigitalWrite(ledPin, HIGH)\u6539\u6210LOW，LOW\u6539\u6210HIGH，\u53ef\u4ee5\u5148\u624b\u52a8\u7ed9\u5f15\u811a\u63a5 3.3V\/GND \u6d4b\u8bd5 LED \u70b9\u4eae\u903b\u8f91\u3002<\/li>\n
    \u95ee\u9898 3：HTML \u9875\u9762\u663e\u793a\u4e71\u7801（\u4e2d\u6587\u53d8\u6210\u95ee\u53f7 \/ \u65b9\u5757）<\/h5>\n

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