配置以下参数:Wi-Fi 网络名称和密码、MQTT Broker 地址和端口、以及emqx/esp32主题。 // WiFiconstchar*ssid ="xxxxx";// Enter your WiFi nameconstchar*password ="xxxxx";// Enter WiFi password// MQTT Brokerconstchar*mqtt_broker ="broker.emqx.io";constchar*topic ="emqx/esp32";constchar*mqtt_u...
其中的Example Connection Configuration用于配置wifi的连接信息。而Example Configuration则是配置mqtt的服务器...
Adafruit_MQTT_Subscribe test = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME"/feeds/test"); 初始化流程 voidsetup(){ Serial.begin(115200); delay(10); Serial.println(F("Adafruit IO MQTTS (SSL/TLS) Example"));// Connect to WiFi access point.Serial.println(); Serial.println(); Serial.print...
// 通过传入WiFi客户端和MQTT服务端以及登录详细信息来设置MQTT客户端类,注意连入爱智必须设置 cid,可能和爱智那边设置有关系。 Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, "Publish_cid", AIO_USERNAME, AIO_KEY); 需要注意的是虽然 Adafruit_MQTT_Client 有可以不带 cid 的实现 /*** ...
首先搭建mosquitto的mqtt服务器。下面用最简单的办法搭建好一个可以使用的mqtt服务器。 第一步:安装mosquitto 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $ sudo apt-add-repository ppa:mosquitto-dev/mosquitto-ppa $ sudo apt-getupdate $ sudo apt-getinstall mosquitto ...
"htb66666666"; // 设置MQTT borker信息 const char *mqtt_broker = "broker-cn.emqx.io"; const char *topic = "mqtt_hbb_example"; const char *mqtt_username = "emqx"; const char *mqtt_password = "public"; const int mqtt_port = 1883; const char *client_id = "mqtt-client-hbb-example...
本人想用esp32读取串口数据并且通过MQTT协议传到公共服务器端,但出现了下面的问题: (1)如果将串口设置波特率为115200,则能够立马连上wifi和服务器,但是读取不了串口数据发不上服务器端。 因为所连接开发板传输数据的波特率为4800,所以将波特率改为4800时,wifi和mqtt都连接不成功,出现了以下情况: ...
使用PubSubClient 连接到公共 MQTT Broker。 client.setServer(mqtt_broker, mqtt_port); client.setCallback(callback); while (!client.connected()) { String client_id = "esp32-client-"; client_id += String(WiFi.macAddress()); Serial.printf("The client %s connects to the public mqtt broker...
mqtt_app_tmqtt_bemfa= { .mqtt_cfg = { .broker.address.uri ="mqtt://bemfa.com:9501/", .credentials.client_id ="私钥", .network.disable_auto_reconnect =true, }, .event_handler=mqtt_event_handler, .topics={"roomLight002","appSend","appReceive"}, ...
config MQTT_URL string "MQTT broker URL" default "mqtt://iot.eclipse.org" help URL of the broker to connect to Error Code: Select all E (14721) esp-tls: [sock=54] select() timeout E (14722) TRANSPORT_BASE: Failed to open a new connection: 32774 E (14722) MQTT_CLIENT: Error...