DHT.ino

/* *****************************************************************
 *
 * Download latest Blinker library here:
 * https://github.com/blinker-iot/blinker-library/archive/master.zip
 * 
 * 
 * Blinker is a cross-hardware, cross-platform solution for the IoT. 
 * It provides APP, device and server support, 
 * and uses public cloud services for data transmission and storage.
 * It can be used in smart home, data monitoring and other fields 
 * to help users build Internet of Things projects better and faster.
 * 
 * Make sure installed 2.7.2 or later ESP8266/Arduino package,
 * if use ESP8266 with Blinker.
 * https://github.com/esp8266/Arduino/releases
 * 
 * Make sure installed 1.0.4 or later ESP32/Arduino package,
 * if use ESP32 with Blinker.
 * https://github.com/espressif/arduino-esp32/releases
 * 
 * Docs: https://diandeng.tech/doc
 *       https://github.com/blinker-iot/blinker-doc/wiki
 * 
 * *****************************************************************
 * 
 * Blinker 库下载地址:
 * https://github.com/blinker-iot/blinker-library/archive/master.zip
 * 
 * Blinker 是一套跨硬件、跨平台的物联网解决方案，提供APP端、设备端、
 * 服务器端支持，使用公有云服务进行数据传输存储。可用于智能家居、
 * 数据监测等领域，可以帮助用户更好更快地搭建物联网项目。
 * 
 * 如果使用 ESP8266 接入 Blinker,
 * 请确保安装了 2.7.2 或更新的 ESP8266/Arduino 支持包。
 * https://github.com/esp8266/Arduino/releases
 * 
 * 如果使用 ESP32 接入 Blinker,
 * 请确保安装了 1.0.4 或更新的 ESP32/Arduino 支持包。
 * https://github.com/espressif/arduino-esp32/releases
 * 
 * 文档: https://diandeng.tech/doc
 *       https://github.com/blinker-iot/blinker-doc/wiki
 * 
 * *****************************************************************/

#define BLINKER_WIFI
#define BLINKER_MIOT_SENSOR

#include <Blinker.h>

char auth[] = "Your Device Secret Key";
char ssid[] = "Your WiFi network SSID or name";
char pswd[] = "Your WiFi network WPA password or WEP key";

BlinkerNumber HUMI("humi");
BlinkerNumber TEMP("temp");
BlinkerNumber ADC("BatteryVolt");//kong是blinker手机APP中数据键名（可自己选定）

int V;
int Val;

// Download Adafruit DHT-sensor-library library here:
// https://github.com/adafruit/DHT-sensor-library
#include <DHT.h>

#define DHTPIN D4

#define DHTTYPE DHT11   // DHT 11
//#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
//#define DHTTYPE DHT21   // DHT 21 (AM2301)

DHT dht(DHTPIN, DHTTYPE);

uint32_t read_time = 0;

float humi_read, temp_read, volt_read;


void dataRead(const String & data)
{
    BLINKER_LOG("Blinker readString: ", data);

    Blinker.vibrate();
    
    uint32_t BlinkerTime = millis();
    
    Blinker.print("millis", BlinkerTime);
}

void heartbeat()
{
    HUMI.print(humi_read);
    TEMP.print(temp_read);
    ADC.print(volt_read);
}

void setup()
{
    Serial.begin(115200);
    BLINKER_DEBUG.stream(Serial);

    pinMode(LED_BUILTIN, OUTPUT);
    digitalWrite(LED_BUILTIN, LOW);

    Blinker.begin(auth, ssid, pswd);
    Blinker.attachData(dataRead);
    Blinker.attachHeartbeat(heartbeat);
    
    dht.begin();
}

void loop()
{
    Blinker.run();

    if (read_time == 0 || (millis() - read_time) >= 2000)
    {
        read_time = millis();

        float h = dht.readHumidity();
        float t = dht.readTemperature();        

        if (isnan(h) || isnan(t)) {
            BLINKER_LOG("Failed to read from DHT sensor!");
            return;
        }

        V = analogRead(A0);//读取ADC
        Val = V * 5000 / 1023 ;//换算为mV
        
        float hic = dht.computeHeatIndex(t, h, false);

        humi_read = h;
        temp_read = t;
        volt_read = Val;

        BLINKER_LOG("Humidity: ", h, " %");
        BLINKER_LOG("Temperature: ", t, " *C");
        BLINKER_LOG("Heat index: ", hic, " *C");
        BLINKER_LOG("Battery Volt: ", volt_read, " mV");
    }
}