esp8266上传数据给onenet
时间: 2023-04-27 16:01:46 浏览: 61
要将ESP8266上传数据到OneNet,您需要执行以下步骤:
1. 注册OneNet账户并创建设备和数据流。
2. 在ESP8266上安装Arduino IDE和ESP8266库。
3. 编写ESP8266代码,使用WiFi连接到OneNet服务器,并将数据上传到OneNet数据流。
以下是一个简单的ESP8266代码示例,可以将温度和湿度数据上传到OneNet:
```
#include <ESP8266WiFi.h>
#include <OneWire.h>
#include <DallasTemperature.h>
// WiFi网络信息
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";
// OneNet服务器信息
const char* server = "api.heclouds.com";
const char* apiKey = "your_API_KEY";
const char* deviceId = "your_DEVICE_ID";
const char* temperatureStreamId = "temperature";
const char* humidityStreamId = "humidity";
// 温湿度传感器信息
#define ONE_WIRE_BUS 2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
void setup() {
Serial.begin(960);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(100);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to WiFi");
sensors.begin();
}
void loop() {
sensors.requestTemperatures();
float temperature = sensors.getTempCByIndex();
float humidity = 50.;
String data = String("{\"temperature\":") + String(temperature) + String(",\"humidity\":") + String(humidity) + String("}");
Serial.println(data);
WiFiClient client;
if (client.connect(server, 80)) {
String url = String("/devices/") + String(deviceId) + String("/datapoints");
String headers = String("api-key:") + String(apiKey) + String("\r\n") + String("Host: ") + String(server) + String("\r\n") + String("Content-Type: application/json\r\n");
String body = String("{\"datastreams\":[{\"id\":\"") + String(temperatureStreamId) + String("\",\"datapoints\":[{\"value\":") + String(temperature) + String("}]}") + String(",{\"id\":\"") + String(humidityStreamId) + String("\",\"datapoints\":[{\"value\":") + String(humidity) + String("}]}") + String("]}");
client.print(String("POST ") + url + " HTTP/1.1\r\n" + headers + "Content-Length: " + body.length() + "\r\n\r\n" + body);
Serial.println("Data uploaded to OneNet");
} else {
Serial.println("Failed to connect to OneNet");
}
delay(500);
}
```
请注意,您需要将代码中的“your_SSID”和“your_PASSWORD”替换为您的WiFi网络信息,“your_API_KEY”和“your_DEVICE_ID”替换为您的OneNet API密钥和设备ID,“temperature”和“humidity”替换为您的数据流ID。
希望这可以帮助您上传ESP8266数据到OneNet。