ESP8266 Arduino 连接OneNET--MQTT

ESP8266 Arduino 连接OneNET–MQTT

用Arduino开发ESP8266非常方便
OneNET也是一个非常好用的物联网平台
以下代码就是ESP8266连接OneNET MQTT服务器

#include 
#include 
#include 
#include 
#include 
#include 

#define wifi_ssid "RedmiNote8"
#define wifi_password "12345678"

#define mqtt_server "183.230.40.39"/*OneNet-MQTT IP*/
#define mqtt_port 6002/*OneNet-MQTT port*/
#define mqtt_devid "599241948"/*OneNet-MQTT DeviceID*/
#define mqtt_pubid "347588"/*OneNet-MQTT ProductID*/
#define mqtt_password "=IV37lz9mpmomHUX3meVbfCFOUk="/*OneNet-MQTT APIkey*/

int pinDHT11 = 5;//IO5
SimpleDHT11 dht11(pinDHT11);

WiFiClient espClient;
PubSubClient client(espClient);

long last_time = 0;

unsigned short json_len = 0;

char dataDHT11[] = "{\"temp\":%d, \"humi\&#