图中的MQTTX-Setup-1.10.1-x64.exe暂时不用管它。这个后面会讲到的。 在这里插入图片描述 解压压缩包,然后打开解压的目录,找到对应的bin目录。如下图所示。 在这里插入图片描述 选中对应的bin目录,然后输入cmd,回车。打开命令窗口。 在这里插入图片描述 打开命令窗口后,在命令窗口中输入 emqx start 回车 在这里...
WiFiClient espClient; PubSubClientclient(espClient);voidsetup(){// Set software serial baud to 115200;Serial.begin(115200);// Connecting to a WiFi networkWiFi.begin(ssid, password);while(WiFi.status() != WL_CONNECTED) { delay(500); Serial.println("Connecting to WiFi.."); } Serial.print...
复制 #include<stdio.h>#include<ESP8266WiFi.h>#include<PubSubClient.h>constchar*ssid="WiFi-12-1";constchar*password="18084486541";constchar*mqttServer="broker-cn.emqx.io";int tim=0;int timax=60;WiFiClient wifiClient;PubSubClientmqttClient(wifiClient);voidsetup(){Serial.begin(9600);//设置...
int led= 4; //定义引脚编码 void setup(){ pinMode(relayInput,OUTPUT); //初始化引脚,是一个库 pinMode(led,OUTPUT); //设置了引脚的输出模式 } void loop(){ digitalWrite(relayInput,LOW); //不断重复运行 } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 若灯亮起,则说明灯没有问题,则继...
uart.setup(uart_id, 9600) uart.on(uart_id, "receive", function(id, len) local data = "" while 1 do local tmp = uart.read(uart_id) if not tmp or #tmp == 0 then break end data = data .. tmp end log.info("uart", "uart收到数据长度", #data) ...
(espClient);voidsetup(){Serial.begin(115200);dht.begin();setupWifi();client.setServer(mqtt_server,mqtt_port);}// 连接 WifivoidsetupWifi(){WiFi.mode(WIFI_STA);WiFi.begin(ssid,password);while(WiFi.status()!=WL_CONNECTED){delay(500);Serial.print(".");}Serial.println("WiFi connected");...
EMQ(杭州映云科技有限公司)是一家开源物联网数据基础设施软件供应商,交付全球领先的开源 MQTT 消息服务器和流处理数据库,提供基于云原生+边缘计算技术的一站式解决方案,实现企业云边端实时数据连接、移动、... « 上一篇 EMQ X 与 HStreamDB 集成实践:通过规则引擎实现数据存储 ...
For those supporting multiple TLS protocols on a single port, like MQTTS and MQTT over WSS, utilize theALPNProtocolsoption. This lets you define the Application Layer Protocol Negotiation (ALPN) protocol. You can setALPNProtocolsas a string array, Buffer, or Uint8Array based on your setup. ...
m=mqtt.Client("clientid",120,"user","password")--setup Last WillandTestament(optional)--Broker will publish a message with qos=0,retain=0,data="offline"--to topic"/lwt"ifclient don't send keepalive packet m:lwt("/lwt", "offline", 0, 0) ...
MQTTX-Setup-1.9.3-x64.exe 对接MQTT 通过MQTTnet对接MQTT Nuget包 https://github.com/dotnet/MQTTnet https://www.nuget.org/packages/MQTTnet dotnet add package MQTTnet 连接 连接代码 varmqttFactory =newMqttFactory();using(varmqttClient = mqttFactory.CreateMqttClient()) ...