物联网ESP8266之温湿度上传到点灯科技blinkerapp
本文主要对物联网常用场景,读取传感器数据然后反馈到app上查看。
·
本文主要对物联网常用场景,读取传感器数据然后反馈到app上查看。
硬件:
ESP8266 (我使用的是wemos D1,80Mhz,4M flash)
Arduino IDE(提前将开发板安装)
所需要的库:
1. dht库
2. 点灯科技Blinker插件
使用示例:
blinker-library/DHT_WiFi.ino at master · blinker-iot/blinker-library · GitHub
#define BLINKER_WIFI
#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"); //对应blinkerapp上的数据名
BlinkerNumber TEMP("temp"); //在blinkerapp下有温度数据名为
// Download Adafruit DHT-sensor-library library here:
// https://github.com/adafruit/DHT-sensor-library
#include <DHT.h>
#define DHTPIN 2
#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;
void heartbeat()
{
HUMI.print(humi_read); //给blinkerapp湿度数据
TEMP.print(temp_read); //给blinkerapp温度数据
}
void setup()
{
Serial.begin(115200);
BLINKER_DEBUG.stream(Serial);
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, LOW);
Blinker.begin(auth, ssid, pswd);
Blinker.attachHeartbeat(heartbeat);//将传感器回调函数加载,回传数据
dht.begin();
}
void loop()
{
Blinker.run();
if (read_time == 0 || (millis() - read_time) >= 2000)
{
read_time = millis();
float h = dht.readHumidity();//读取DHT11传感器的湿度 并赋值给h
float t = dht.readTemperature();
if (isnan(h) || isnan(t)) {
BLINKER_LOG("Failed to read from DHT sensor!");
return;
}
else
{
BLINKER_LOG("Humidity: ", h, " %");
BLINKER_LOG("Temperature: ", t, " *C");
humi_read = h;//将读取到的湿度赋值给全局变量humi_read
temp_read = t;//将读取到的温度赋值给全局变量temp_read
}
}
}
app端设置
温度数据,湿度设计
复制device的认证key
修改device认证key,wifi路由器ssid和password
char auth[] = "Your Device Secret Key";
char ssid[] = "Your WiFi network SSID or name";
char pswd[] = "Your WiFi network WPA password or WEP key";
因为我用的是dht11,所以需要根据自己的方式修改
#define DHTTYPE DHT11 // DHT 11
//#define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321
//#define DHTTYPE DHT21 // DHT 21 (AM2301)
上传看效果
更多推荐
所有评论(0)