Esp8266 uses Arduino to connect Alibaba cloud Internet of things

Use here AliyunIoTSDK Library for fast access
Need to make preliminary preparations
install

The library files 【AliyunIoTSDK】

-【ArduinoJson】

-【Crypto】

-【PubSubClient】 This is mqtt The support package What is shown in the picture 1 and 2 Fine , Choose one of them . I have installed it here because of some other projects . It will not affect the later development

Alibaba cloud device creation （ The explanation of pictures is too troublesome , Go directly to the video ） Video link

//  introduce  wifi  modular , And instantiate ,
#include <ESP8266WiFi.h>
static WiFiClient espClient;

//  Introducing Alibaba cloud  IoT SDK
#include <AliyunIoTSDK.h>

//  Set product and device information , Check from alicloud device information 
#define PRODUCT_KEY "a1rCF0cxG0w"
#define DEVICE_NAME "ceshi"
#define DEVICE_SECRET "32f735fc37b68a86b6eed749f1ba2bf8"
#define REGION_ID "cn-shanghai"

//  Set up  wifi  Information 
#define WIFI_SSID "xxxx"
#define WIFI_PASSWD "12345678"
#define led D4
void setup()
{
    
    Serial.begin(115200);
    
    //  initialization  wifi
    wifiInit(WIFI_SSID, WIFI_PASSWD);
    
    //  initialization  iot, Need to transfer in  wifi  Of  client, And device product information 
    AliyunIoTSDK::begin(espClient, PRODUCT_KEY, DEVICE_NAME, DEVICE_SECRET, REGION_ID);
    
    //  Bind a device property callback , When this property is modified remotely , Will trigger  powerCallback
    // PowerSwitch  It refers to the Internet of things model defined in the device product  id
    AliyunIoTSDK::bindData("PowerSwitch_1", powerCallback);
    

    
}

void loop()
{
    
     AliyunIoTSDK::send("CurrentTemperature", ((float)random(1000,9999))/100);
     AliyunIoTSDK::send("CurrentHumidity", (int)random(0,100));
     AliyunIoTSDK::send("PowerSwitch_1", !(int)digitalRead(led));
     delay(2000);
     
    AliyunIoTSDK::loop();
}

//  initialization  wifi  Connect 
void wifiInit(const char *ssid, const char *passphrase)
{
    
    WiFi.mode(WIFI_STA);
    WiFi.begin(ssid, passphrase);
    while (WiFi.status() != WL_CONNECTED)
    {
    
        delay(1000);
        Serial.println("WiFi not Connect");
    }
    Serial.println("Connected to AP");
    pinMode(led,OUTPUT);
}

//  Callback function for power attribute modification 
void powerCallback(JsonVariant p)
{
    
    int PowerSwitch = p["PowerSwitch_1"];
    if (PowerSwitch == 1)
    {
    
        digitalWrite(led,0);
    }
    if (PowerSwitch == 0)
    {
    
        digitalWrite(led,1);
    }
     
}```