{"id":66010,"date":"2026-01-26T02:40:54","date_gmt":"2026-01-25T18:40:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/66010.html"},"modified":"2026-01-26T02:40:54","modified_gmt":"2026-01-25T18:40:54","slug":"wokwi%e4%bb%bf%e7%9c%9f%e5%b9%b3%e5%8f%b0%e4%b8%8besp32%e4%bd%bf%e7%94%a8mqtt%e9%80%9a%e4%bf%a1%e5%9f%ba%e7%a1%80%e6%95%99%e7%a8%8b%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/66010.html","title":{"rendered":"wokwi\u4eff\u771f\u5e73\u53f0\u4e0bESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b"},"content":{"rendered":"

ESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b<\/h2>\n

\u786c\u4ef6\u57fa\u7840<\/h3>\n

\u8fd9\u6b21\u4f7f\u7528\u7684\u73af\u5883\u662fhttps:\/\/wokwi.com\/\u865a\u62df\u4eff\u771f\u5e73\u53f0<\/p>\n

\u9700\u8981\u8bbe\u5907：ESP32S3，\u4e00\u4e2a\u5916\u90e8LED，\u4e00\u4e2a\u7535\u963b\u3002<\/p>\n

wokwi\u4eff\u771f\u5e73\u53f0\u73af\u5883\u642d\u5efa<\/h3>\n

1. \u5916\u89c2<\/h4>\n

\"\"<\/p>\n

{<\/p>\n

\u00a0 "version": 1,<\/p>\n

\u00a0 "author": "Anonymous maker",<\/p>\n

\u00a0 "editor": "wokwi",<\/p>\n

\u00a0 "parts": [<\/p>\n

\u00a0 \u00a0 { "type": "board-esp32-s3-devkitc-1", "id": "esp", "top": -9.78, "left": 110.17, "attrs": {} },<\/p>\n

\u00a0 \u00a0 { "type": "wokwi-led", "id": "led1", "top": 73.2, "left": -53.8, "attrs": { "color": "red" } },<\/p>\n

\u00a0 \u00a0 {<\/p>\n

\u00a0 \u00a0 \u00a0 "type": "wokwi-resistor",<\/p>\n

\u00a0 \u00a0 \u00a0 "id": "r1",<\/p>\n

\u00a0 \u00a0 \u00a0 "top": 13.55,<\/p>\n

\u00a0 \u00a0 \u00a0 "left": -28.8,<\/p>\n

\u00a0 \u00a0 \u00a0 "attrs": { "value": "1000" }<\/p>\n

\u00a0 \u00a0 }<\/p>\n

\u00a0 ],<\/p>\n

\u00a0 "connections": [<\/p>\n

\u00a0 \u00a0 [ "esp:TX", "$serialMonitor:RX", "", [] ],<\/p>\n

\u00a0 \u00a0 [ "esp:RX", "$serialMonitor:TX", "", [] ],<\/p>\n

\u00a0 \u00a0 [ "led1:A", "r1:1", "green", [ "v0" ] ],<\/p>\n

\u00a0 \u00a0 [ "led1:C", "esp:GND.1", "green", [ "v0" ] ],<\/p>\n

\u00a0 \u00a0 [ "r1:2", "esp:12", "green", [ "v0" ] ]<\/p>\n

\u00a0 ],<\/p>\n

\u00a0 "dependencies": {}<\/p>\n

}<\/p>\n

2. \u7a0b\u5e8f\u4ee3\u7801<\/h4>\n

#include <WiFi.h>
\n#include <PubSubClient.h><\/p>\n

\/\/ ==================== WiFi\u914d\u7f6e ====================
\nconst char* ssid = "Wokwi-GUEST"; \/\/ Wokwi\u4eff\u771fWiFi\u540d\u79f0
\nconst char* password = ""; \/\/ Wokwi\u4eff\u771fWiFi\u5bc6\u7801（\u65e0\u5bc6\u7801）
\nconst int wifiChannel = 6; \/\/ Wokwi\u4f7f\u7528\u7684WiFi\u901a\u9053
\nconst bool hiddenSSID = false; \/\/ \u7f51\u7edc\u662f\u5426\u9690\u85cf<\/p>\n

\/\/ ==================== MQTT\u914d\u7f6e ====================
\nconst char* mqtt_server = "60.204.140.141"; \/\/ MQTT\u670d\u52a1\u5668
\nconst int mqtt_port = 1883; \/\/ MQTT\u7aef\u53e3
\nconst char* mqtt_user = "admin"; \/\/ \u7528\u6237\u540d
\nconst char* mqtt_password = "plulic"; \/\/ \u5bc6\u7801<\/p>\n

\/\/ ==================== MQTT\u4e3b\u9898 ====================
\nconst char* topic_led = "wokwi\/test\/led"; \/\/ LED\u63a7\u5236\u4e3b\u9898
\nconst char* topic_status = "wokwi\/test\/status"; \/\/ \u72b6\u6001\u4e3b\u9898<\/p>\n

\/\/ ==================== \u786c\u4ef6\u5f15\u811a\u5b9a\u4e49 ====================
\nconst int LED_PIN = 12; \/\/ LED\u5f15\u811a GPIO12
\nconst int INTERNAL_LED = 2; \/\/ ESP32\u5185\u7f6eLED (GPIO2)，\u907f\u514d\u4f7f\u7528BUILTIN_LED<\/p>\n

\/\/ ==================== \u5168\u5c40\u5bf9\u8c61 ====================
\nWiFiClient espClient;
\nPubSubClient client(espClient);<\/p>\n

\/\/ ==================== \u5168\u5c40\u53d8\u91cf ====================
\nbool ledState = false; \/\/ LED\u72b6\u6001 (true=\u5f00, false=\u5173)
\nbool wifiConnected = false; \/\/ WiFi\u8fde\u63a5\u72b6\u6001
\nunsigned long lastReconnectAttempt = 0;
\nconst unsigned long reconnectInterval = 3000;
\nunsigned long lastHeartbeat = 0;
\nconst unsigned long heartbeatInterval = 5000;<\/p>\n

\/\/ ==================== \u51fd\u6570\u58f0\u660e ====================
\nvoid setupWiFi();
\nvoid connectToWiFi();
\nvoid mqttCallback(char* topic, byte* payload, unsigned int length);
\nboolean reconnectMQTT();
\nvoid controlLED(bool state);
\nvoid blinkLED(int pin, int times, int delayTime);
\nvoid publishStatus();
\nvoid printWiFiStatus();<\/p>\n

\/\/ ==================== \u521d\u59cb\u5316\u8bbe\u7f6e ====================
\nvoid setup() {
\n Serial.begin(115200);
\n delay(1000); \/\/ \u7b49\u5f85\u4e32\u53e3\u521d\u59cb\u5316<\/p>\n

Serial.println("\\\\n==========================================");
\n Serial.println(" ESP32 Wokwi\u4eff\u771f – MQTT LED\u63a7\u5236\u6d4b\u8bd5");
\n Serial.println("==========================================");<\/p>\n

\/\/ \u8bbe\u7f6e\u5f15\u811a\u6a21\u5f0f
\n pinMode(LED_PIN, OUTPUT);
\n pinMode(INTERNAL_LED, OUTPUT);
\n digitalWrite(LED_PIN, LOW);
\n digitalWrite(INTERNAL_LED, LOW);<\/p>\n

\/\/ \u95ea\u70c1LED\u8868\u793a\u5f00\u59cb\u542f\u52a8
\n blinkLED(INTERNAL_LED, 2, 200);<\/p>\n

\/\/ \u8bbe\u7f6eWiFi\u548cMQTT
\n setupWiFi();<\/p>\n

Serial.println("\\\\n\u2705 \u7cfb\u7edf\u521d\u59cb\u5316\u5b8c\u6210!");
\n Serial.println("📡 MQTT\u63a7\u5236\u547d\u4ee4:");
\n Serial.println(" \u4e3b\u9898: wokwi\/test\/led");
\n Serial.println(" \u6d88\u606f: on – \u6253\u5f00LED");
\n Serial.println(" \u6d88\u606f: off – \u5173\u95edLED");
\n Serial.println(" \u6d88\u606f: toggle – \u5207\u6362LED\u72b6\u6001");
\n Serial.println(" \u6d88\u606f: blink – LED\u95ea\u70c13\u6b21");
\n Serial.println("==========================================");
\n}<\/p>\n

\/\/ ==================== WiFi\u8bbe\u7f6e\u51fd\u6570 ====================
\nvoid setupWiFi() {
\n Serial.println("\\\\n🔧 \u914d\u7f6eWiFi\u8fde\u63a5…");
\n Serial.print("WiFi\u7f51\u7edc: ");
\n Serial.println(ssid);
\n Serial.print("WiFi\u901a\u9053: ");
\n Serial.println(wifiChannel);<\/p>\n

\/\/ \u5728Wokwi\u4e2d，\u53ef\u4ee5\u5c1d\u8bd5\u8bbe\u7f6eWiFi\u914d\u7f6e
\n WiFi.mode(WIFI_STA);<\/p>\n

\/\/ \u5f00\u59cb\u8fde\u63a5WiFi
\n connectToWiFi();
\n}<\/p>\n

\/\/ ==================== WiFi\u8fde\u63a5\u51fd\u6570 ====================
\nvoid connectToWiFi() {
\n Serial.print("🔗 \u8fde\u63a5WiFi…");<\/p>\n

\/\/ \u65ad\u5f00\u4e4b\u524d\u7684\u8fde\u63a5
\n WiFi.disconnect(true);
\n delay(100);<\/p>\n

\/\/ \u5f00\u59cb\u8fde\u63a5
\n WiFi.begin(ssid, password);<\/p>\n

\/\/ \u7b49\u5f85\u8fde\u63a5，\u5e26\u8d85\u65f6
\n unsigned long startTime = millis();
\n const unsigned long timeout = 15000; \/\/ 15\u79d2\u8d85\u65f6<\/p>\n

while (WiFi.status() != WL_CONNECTED) {
\n delay(500);
\n Serial.print(".");<\/p>\n

\/\/ \u95ea\u70c1\u5185\u7f6eLED\u8868\u793a\u8fde\u63a5\u4e2d
\n digitalWrite(INTERNAL_LED, !digitalRead(INTERNAL_LED));<\/p>\n

\/\/ \u68c0\u67e5\u8d85\u65f6
\n if (millis() – startTime > timeout) {
\n Serial.println("\\\\n\u274c WiFi\u8fde\u63a5\u8d85\u65f6！");
\n Serial.println("\u53ef\u80fd\u7684\u539f\u56e0：");
\n Serial.println("1. \u4e0d\u5728Wokwi\u4eff\u771f\u73af\u5883\u4e2d");
\n Serial.println("2. WiFi\u540d\u79f0\u6216\u5bc6\u7801\u9519\u8bef");
\n Serial.println("3. \u7f51\u7edc\u914d\u7f6e\u95ee\u9898");<\/p>\n

\/\/ \u6162\u95ea\u8868\u793a\u5931\u8d25
\n while (true) {
\n digitalWrite(INTERNAL_LED, HIGH);
\n delay(300);
\n digitalWrite(INTERNAL_LED, LOW);
\n delay(700);
\n }
\n }
\n }<\/p>\n

Serial.println("\\\\n\u2705 WiFi\u8fde\u63a5\u6210\u529f！");
\n wifiConnected = true;<\/p>\n

\/\/ \u663e\u793aWiFi\u72b6\u6001
\n printWiFiStatus();<\/p>\n

\/\/ \u5feb\u901f\u95ea\u70c1\u8868\u793a\u6210\u529f
\n blinkLED(INTERNAL_LED, 3, 100);<\/p>\n

\/\/ \u8bbe\u7f6eMQTT
\n client.setServer(mqtt_server, mqtt_port);
\n client.setCallback(mqttCallback);<\/p>\n

\/\/ \u521d\u59cb\u5316MQTT\u8fde\u63a5
\n reconnectMQTT();
\n}<\/p>\n

\/\/ ==================== \u6253\u5370WiFi\u72b6\u6001 ====================
\nvoid printWiFiStatus() {
\n Serial.println("\\\\n📡 WiFi\u8fde\u63a5\u4fe1\u606f:");
\n Serial.print(" SSID: ");
\n Serial.println(WiFi.SSID());<\/p>\n

Serial.print(" IP\u5730\u5740: ");
\n Serial.println(WiFi.localIP());<\/p>\n

Serial.print(" MAC\u5730\u5740: ");
\n Serial.println(WiFi.macAddress());<\/p>\n

Serial.print(" \u4fe1\u53f7\u5f3a\u5ea6: ");
\n Serial.print(WiFi.RSSI());
\n Serial.println(" dBm");<\/p>\n

Serial.print(" \u5b50\u7f51\u63a9\u7801: ");
\n Serial.println(WiFi.subnetMask());<\/p>\n

Serial.print(" \u7f51\u5173: ");
\n Serial.println(WiFi.gatewayIP());<\/p>\n

Serial.print(" DNS\u670d\u52a1\u5668: ");
\n Serial.println(WiFi.dnsIP());
\n}<\/p>\n

\/\/ ==================== MQTT\u56de\u8c03\u51fd\u6570 ====================
\nvoid mqttCallback(char* topic, byte* payload, unsigned int length) {
\n Serial.print("📨 \u6536\u5230MQTT\u6d88\u606f [");
\n Serial.print(topic);
\n Serial.print("]: ");<\/p>\n

\/\/ \u5c06\u6d88\u606f\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32
\n String message;
\n for (unsigned int i = 0; i < length; i++) {
\n message += (char)payload[i];
\n }
\n Serial.println(message);<\/p>\n

\/\/ \u5904\u7406LED\u63a7\u5236\u6d88\u606f
\n if (String(topic) == topic_led) {
\n if (message == "on") {
\n controlLED(true);
\n client.publish(topic_status, "LED\u5df2\u6253\u5f00");
\n }
\n else if (message == "off") {
\n controlLED(false);
\n client.publish(topic_status, "LED\u5df2\u5173\u95ed");
\n }
\n else if (message == "toggle") {
\n ledState = !ledState;
\n controlLED(ledState);
\n String status = ledState ? "LED\u5df2\u6253\u5f00" : "LED\u5df2\u5173\u95ed";
\n client.publish(topic_status, status.c_str());
\n }
\n else if (message == "blink") {
\n blinkLED(LED_PIN, 3, 200);
\n client.publish(topic_status, "LED\u5df2\u95ea\u70c13\u6b21");
\n }
\n else if (message == "status") {
\n publishStatus();
\n }
\n else {
\n String errorMsg = "\u672a\u77e5\u547d\u4ee4: " + message;
\n client.publish(topic_status, errorMsg.c_str());
\n Serial.println("\u274c \u672a\u77e5LED\u547d\u4ee4");
\n }
\n }
\n}<\/p>\n

\/\/ ==================== MQTT\u91cd\u8fde\u51fd\u6570 ====================
\nboolean reconnectMQTT() {
\n if (!wifiConnected) {
\n Serial.println("\u274c WiFi\u672a\u8fde\u63a5，\u65e0\u6cd5\u8fde\u63a5MQTT");
\n return false;
\n }<\/p>\n

Serial.print("🔗 \u8fde\u63a5MQTT\u670d\u52a1\u5668… ");<\/p>\n

\/\/ \u751f\u6210\u552f\u4e00\u7684\u5ba2\u6237\u7aefID
\n String clientId = "Wokwi-ESP32-";
\n clientId += String(random(0xffff), HEX);<\/p>\n

if (client.connect(clientId.c_str(), mqtt_user, mqtt_password)) {
\n Serial.println("\u2705 \u8fde\u63a5\u6210\u529f！");<\/p>\n

\/\/ \u8ba2\u9605\u4e3b\u9898
\n client.subscribe(topic_led);
\n Serial.print(" \u8ba2\u9605\u4e3b\u9898: ");
\n Serial.println(topic_led);<\/p>\n

\/\/ \u53d1\u5e03\u8fde\u63a5\u6210\u529f\u6d88\u606f
\n String connectMsg = "\u8bbe\u5907\u5df2\u8fde\u63a5 – IP: " + WiFi.localIP().toString();
\n client.publish(topic_status, connectMsg.c_str());<\/p>\n

\/\/ \u53d1\u5e03\u521d\u59cb\u72b6\u6001
\n publishStatus();<\/p>\n

\/\/ \u95ea\u70c1\u8868\u793a\u6210\u529f
\n blinkLED(INTERNAL_LED, 2, 150);<\/p>\n

return true;
\n } else {
\n Serial.print("\u274c \u8fde\u63a5\u5931\u8d25, \u9519\u8bef\u7801: ");
\n Serial.println(client.state());<\/p>\n

return false;
\n }
\n}<\/p>\n

\/\/ ==================== \u4e3b\u5faa\u73af ====================
\nvoid loop() {
\n \/\/ \u68c0\u67e5WiFi\u8fde\u63a5
\n if (WiFi.status() != WL_CONNECTED) {
\n if (wifiConnected) {
\n Serial.println("\u26a0\ufe0f WiFi\u8fde\u63a5\u4e22\u5931！");
\n wifiConnected = false;
\n digitalWrite(INTERNAL_LED, LOW);
\n }<\/p>\n

\/\/ \u6162\u95ea\u8868\u793aWiFi\u65ad\u5f00
\n static unsigned long lastBlink = 0;
\n if (millis() – lastBlink > 1000) {
\n lastBlink = millis();
\n digitalWrite(INTERNAL_LED, !digitalRead(INTERNAL_LED));
\n }<\/p>\n

\/\/ \u6bcf10\u79d2\u5c1d\u8bd5\u91cd\u8fde
\n static unsigned long lastReconnect = 0;
\n if (millis() – lastReconnect > 10000) {
\n lastReconnect = millis();
\n Serial.println("🔄 \u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5WiFi…");
\n connectToWiFi();
\n }<\/p>\n

delay(100);
\n return;
\n }<\/p>\n

\/\/ WiFi\u5df2\u8fde\u63a5
\n if (!wifiConnected) {
\n wifiConnected = true;
\n Serial.println("\u2705 WiFi\u91cd\u65b0\u8fde\u63a5\u6210\u529f！");
\n printWiFiStatus();
\n }<\/p>\n

\/\/ \u68c0\u67e5MQTT\u8fde\u63a5
\n if (!client.connected()) {
\n unsigned long now = millis();
\n if (now – lastReconnectAttempt > reconnectInterval) {
\n lastReconnectAttempt = now;
\n reconnectMQTT();
\n }
\n } else {
\n client.loop();
\n }<\/p>\n

\/\/ \u53d1\u9001\u5fc3\u8df3（\u6bcf5\u79d2）
\n if (millis() – lastHeartbeat > heartbeatInterval && client.connected()) {
\n lastHeartbeat = millis();<\/p>\n

\/\/ \u53d1\u9001\u7b80\u5355\u7684\u5fc3\u8df3
\n String heartbeat = "{\\\\"device\\\\":\\\\"Wokwi-ESP32\\\\",\\\\"uptime\\\\":" + String(millis() \/ 1000) + ",\\\\"led\\\\":" + String(ledState) + "}";
\n client.publish("wokwi\/test\/heartbeat", heartbeat.c_str());<\/p>\n

\/\/ \u5feb\u901f\u95ea\u70c1\u8868\u793a\u6d3b\u8dc3
\n digitalWrite(INTERNAL_LED, HIGH);
\n delay(10);
\n digitalWrite(INTERNAL_LED, LOW);
\n }<\/p>\n

delay(10);
\n}<\/p>\n

\/\/ ==================== \u63a7\u5236LED\u51fd\u6570 ====================
\nvoid controlLED(bool state) {
\n ledState = state;
\n digitalWrite(LED_PIN, state ? HIGH : LOW);<\/p>\n

Serial.print("💡 LED ");
\n Serial.println(state ? "\u5df2\u6253\u5f00" : "\u5df2\u5173\u95ed");<\/p>\n

\/\/ \u89c6\u89c9\u53cd\u9988
\n digitalWrite(INTERNAL_LED, HIGH);
\n delay(50);
\n digitalWrite(INTERNAL_LED, LOW);
\n}<\/p>\n

\/\/ ==================== \u95ea\u70c1LED\u51fd\u6570 ====================
\nvoid blinkLED(int pin, int times, int delayTime) {
\n Serial.print("\u2728 \u95ea\u70c1");
\n if (pin == LED_PIN) Serial.print("\u5916\u90e8");
\n else if (pin == INTERNAL_LED) Serial.print("\u5185\u7f6e");
\n Serial.print("LED ");
\n Serial.print(times);
\n Serial.println(" \u6b21");<\/p>\n

for (int i = 0; i < times; i++) {
\n digitalWrite(pin, HIGH);
\n delay(delayTime);
\n digitalWrite(pin, LOW);
\n if (i < times – 1) {
\n delay(delayTime);
\n }
\n }
\n}<\/p>\n

\/\/ ==================== \u53d1\u5e03\u72b6\u6001\u51fd\u6570 ====================
\nvoid publishStatus() {
\n if (client.connected()) {
\n \/\/ \u6784\u5efaJSON\u72b6\u6001\u5b57\u7b26\u4e32
\n String status = "{";
\n status += "\\\\"led\\\\":" + String(ledState ? "true" : "false") + ",";
\n status += "\\\\"wifi_rssi\\\\":" + String(WiFi.RSSI()) + ",";
\n status += "\\\\"ip\\\\":\\\\"" + WiFi.localIP().toString() + "\\\\",";
\n status += "\\\\"free_heap\\\\":" + String(esp_get_free_heap_size()) + ",";
\n status += "\\\\"uptime\\\\":" + String(millis() \/ 1000) + ",";
\n status += "\\\\"name\\\\":\\\\"\u6768\u540c\u5b66\\\\""; \/\/ \u6ce8\u610f：\u8fd9\u91cc\u9700\u8981\u53cc\u5f15\u53f7
\n status += "}";<\/p>\n

client.publish(topic_status, status.c_str());
\n Serial.println("📤 \u5df2\u53d1\u5e03\u7cfb\u7edf\u72b6\u6001");
\n Serial.println(status);
\n }
\n}<\/p>\n

MQTT\u670d\u52a1\u5668\u7684\u642d\u5efa<\/h3>\n

MQTT \u670d\u52a1\u53ef\u4ee5\u7528\u516c\u5171\u7684\u670d\u52a1\u5668：\u5982\u679c\u60a8\u65e0\u9700\u81ea\u884c\u90e8\u7f72 MQTT \u670d\u52a1，\u60a8\u53ef\u4ee5\u4f7f\u7528\u00a0EMQX\u00a0\u63d0\u4f9b\u7684\u5728\u7ebf\u516c\u5f00\u7248\u672c\u8fdb\u884c\u5feb\u901f\u6d4b\u8bd5：<\/p>\n

Broker \u5730\u5740: broker.emqx.io
\nBroker TCP \u7aef\u53e3: 1883
\nBroker SSL \u7aef\u53e3: 8883 <\/p>\n

\u4e0b\u9762\u662f\u81ea\u5df1\u521b\u5efaMQTT\u7684\u670d\u52a1\u5668\u6559\u7a0b<\/p>\n

\u4e3b\u64ad\u8fd9\u91cc\u7528\u7684docker\u5b89\u88c5，\u5982\u679c\u6ca1\u6709\u4e0b\u8f7ddocker\u53ef\u4ee5\u4e0b\u8f7d\u4e00\u4e2a<\/p>\n

1.\u5b89\u88c5MQTT<\/h4>\n

docker run -d –name emqx \\\\
\n -p 0.0.0.0:18083:18083 \\\\
\n -p 0.0.0.0:1883:1883 \\\\
\n -p 0.0.0.0:8083:8083 \\\\
\n -p 0.0.0.0:8883:8883 \\\\
\n -p 0.0.0.0:8084:8084 \\\\
\n -e EMQX_DASHBOARD__LISTENER__HTTP__BIND=0.0.0.0:18083 \\\\
\n emqx\/emqx <\/p>\n

\u6ce8\u610f\u9700\u8981\u5f00\u901a\u5bf9\u5e94\u7aef\u53e3，\u5426\u5219\u8bbf\u95ee\u4e0d\u4e86\u670d\u52a1<\/p>\n

\u8bbf\u95ee\u670d\u52a1：http:\/\/60.204.140.141:18083\/\u00a0\u8fd9\u91cc60.204.140.141\u4f60\u7684\u670d\u52a1\u5668IP，\u8fd9\u91cc\u7b2c\u4e00\u6b21\u8fdb\u5165\u9700\u8981\u8d26\u53f7\u5bc6\u7801：admin\/public<\/p>\n

\"\"<\/p>\n

2.\u5b89\u88c5mqttx-web<\/h4>\n

\u5f53\u7136\u4e5f\u53ef\u4ee5\u4e0d\u5b89\u88c5\u7f51\u9875\u7248\u7684\u5ba2\u6237\u7aef，\u53ef\u4ee5\u76f4\u63a5\u4e0b\u8f7dwindow\u7248\u672c\u7684\u5ba2\u6237\u7aef：MQTTX：\u5168\u529f\u80fd MQTT \u5ba2\u6237\u7aef\u5de5\u5177<\/p>\n

docker run -d –name mqttx-web -p 88:80 emqx\/mqttx-web <\/p>\n

\u8bbf\u95ee\u670d\u52a1mqttx-web:http:\/\/60.204.140.141:88\/\u00a0\u8fd9\u91cc60.204.140.141\u4f60\u7684\u670d\u52a1\u5668IP,\u7b2c\u4e00\u6b21\u8fdb\u5165\u4f1a\u8ba9\u4f60\u8fde\u63a5MQTT\u670d\u52a1\u5668，\u4e3b\u64ad\u8fde\u8fc7\u4e86\u5c31\u6ca1\u6709\u4e86<\/p>\n

\"\"<\/p>\n

\u5f00\u59cb\u4f7f\u7528：<\/h2>\n

1.\u8fde\u63a5MQTT\u670d\u52a1\u5668<\/h3>\n

\"\"<\/p>\n

2.\u8fde\u63a5\u8ba2\u9605<\/p>\n

const char* topic_led = "wokwi\/test\/led"; \/\/ LED\u63a7\u5236\u4e3b\u9898
\nconst char* topic_status = "wokwi\/test\/status"; \/\/ \u72b6\u6001\u4e3b\u9898 <\/p>\n

\u6709\u4e24\u4e2a\u4e3b\u9898\u4e00\u4e2a\u63a7\u5236\u7684：wokwi\/test\/led，\u4e00\u4e2a\u72b6\u6001\u7684：wokwi\/test\/status，\u8fd9\u91ccwokwi\/test\/led\u8ba2\u9605\u53d1\u9001\u7684\u6307\u4ee4，esp32\u63a5\u6536\u5230\u5904\u7406\u5b8c\u540e\u4f1a\u5c06\u4fe1\u606f\u53cd\u9988\u5230wokwi\/test\/status\u8ba2\u9605\u4e2d\u3002<\/p>\n

\u4e0b\u9762\u5f00\u59cb\u8fde\u63a5：\u4e00\u5171\u6709\u4e24\u4e2a\u4e3b\u9898\u90fd\u8981\u8fde\u63a5<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

2.\u53d1\u9001\u6307\u4ee4<\/h3>\n

\u9996\u5148\u8981\u542f\u52a8\u4eff\u771f\u5e73\u53f0<\/p>\n

\"\"<\/p>\n

\u6253\u5f00MQTTX\u8f6f\u4ef6<\/p>\n

\"\"<\/p>\n

3.\u63a5\u6536\u6307\u4ee4\u5e76\u8fd4\u56de\u72b6\u6001<\/h3>\n

\u5f53wokwi\/test\/led\u8ba2\u9605\u53d1\u9001\u6307\u4ee4\u3002\u4eff\u771f\u5e73\u53f0\u7684esp32\u4f1a\u63a5\u6536\u5e76\u5904\u7406\u6307\u4ee4，\u7136\u540e\u518d\u8fd4\u56de\u72b6\u6001<\/p>\n

\"\"<\/p>\n

\u7ed3\u5c3e<\/h2>\n

🆗，\u5230\u6b64\u7ed3\u675f，\u4e3b\u64ad\u662f\u8ba1\u7b97\u673a\u79d1\u5b66\u4e0e\u6280\u672f\u4e13\u4e1a\u7684\u4e4b\u524d\u90fd\u662f\u5b66\u8f6f\u4ef6\u5f00\u53d1\u7684，\u4e5f\u662f\u521a\u521a\u5b66\u5d4c\u5165\u5f0f，\u5bf9\u786c\u4ef6\u4e0d\u662f\u5f88\u4e86\u89e3，\u5982\u6709\u9519\u8bef，\u8bf7\u8c05\u89e3，\u5171\u540c\u5b66\u4e60~，\u540e\u9762\u4f1a\u51fa\u4e00\u671f\u7f16\u5199\u624b\u673aAPP\u63a7\u5236\u706f\u7684\u5f00\u5173\u6559\u7a0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

ESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b
\n\u786c\u4ef6\u57fa\u7840
\n\u8fd9\u6b21\u4f7f\u7528\u7684\u73af\u5883\u662fhttps:\/\/wokwi.com\/\u865a\u62df\u4eff\u771f\u5e73\u53f0
\n\u9700\u8981\u8bbe\u5907：ESP32S3，\u4e00\u4e2a\u5916\u90e8LED，\u4e00\u4e2a\u7535\u963b\u3002
\nwokwi\u4eff\u771f\u5e73\u53f0\u73af\u5883\u642d\u5efa
\n1. \u5916\u89c2 { \\”version\\”: 1, \\”author\\”: \\”Anonymous maker\\”, \\”editor\\”: \\”wokwi\\”, \\”parts\\”: [ { \\”type\\”: \\”board-esp32-s3-devkitc-<\/p>\n","protected":false},"author":2,"featured_media":66001,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[270,269,220],"topic":[],"class_list":["post-66010","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-270","tag-269","tag-220"],"yoast_head":"\nwokwi\u4eff\u771f\u5e73\u53f0\u4e0bESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/66010.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"wokwi\u4eff\u771f\u5e73\u53f0\u4e0bESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"ESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b \u786c\u4ef6\u57fa\u7840 \u8fd9\u6b21\u4f7f\u7528\u7684\u73af\u5883\u662fhttps:\/\/wokwi.com\/\u865a\u62df\u4eff\u771f\u5e73\u53f0 \u9700\u8981\u8bbe\u5907：ESP32S3，\u4e00\u4e2a\u5916\u90e8LED，\u4e00\u4e2a\u7535\u963b\u3002 wokwi\u4eff\u771f\u5e73\u53f0\u73af\u5883\u642d\u5efa 1. \u5916\u89c2 { "version": 1, "author": "Anonymous maker", "editor": "wokwi", "parts": [ { "type": "board-esp32-s3-devkitc-\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/66010.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-25T18:40:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125184046-697663aeea550.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/66010.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/66010.html\",\"name\":\"wokwi\u4eff\u771f\u5e73\u53f0\u4e0bESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-01-25T18:40:54+00:00\",\"dateModified\":\"2026-01-25T18:40:54+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/66010.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/66010.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/66010.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"wokwi\u4eff\u771f\u5e73\u53f0\u4e0bESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"wokwi\u4eff\u771f\u5e73\u53f0\u4e0bESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/66010.html","og_locale":"zh_CN","og_type":"article","og_title":"wokwi\u4eff\u771f\u5e73\u53f0\u4e0bESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"ESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b \u786c\u4ef6\u57fa\u7840 \u8fd9\u6b21\u4f7f\u7528\u7684\u73af\u5883\u662fhttps:\/\/wokwi.com\/\u865a\u62df\u4eff\u771f\u5e73\u53f0 \u9700\u8981\u8bbe\u5907：ESP32S3，\u4e00\u4e2a\u5916\u90e8LED，\u4e00\u4e2a\u7535\u963b\u3002 wokwi\u4eff\u771f\u5e73\u53f0\u73af\u5883\u642d\u5efa 1. \u5916\u89c2 { \"version\": 1, \"author\": \"Anonymous maker\", \"editor\": \"wokwi\", \"parts\": [ { \"type\": \"board-esp32-s3-devkitc-","og_url":"https:\/\/www.wsisp.com\/helps\/66010.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-01-25T18:40:54+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125184046-697663aeea550.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"6 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/66010.html","url":"https:\/\/www.wsisp.com\/helps\/66010.html","name":"wokwi\u4eff\u771f\u5e73\u53f0\u4e0bESP32\u4f7f\u7528MQTT\u901a\u4fe1\u57fa\u7840\u6559\u7a0b\u793a\u4f8b - 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