arduino wifi联网 httppost 上报数据

arduino wifi联网 httppost 上报数据

#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BMP280.h>
#include <WiFi.h>
#include <HTTPClient.h>

Adafruit_BMP280 bmp;

const char* ssid = "YourWiFiSSID";
const char* password = "YourWiFiPassword";
const char* serverName = "http://yourserver.com/api";

void setup() {
  Serial.begin(9600);
  
  if (!bmp.begin(0x76)) {
    Serial.println("Could not find a valid BMP280 sensor, check wiring!");
    while (1);
  }

  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("WiFi connected");
}

void loop() {
  float temperature = bmp.readTemperature();
  float pressure = bmp.readPressure() / 100.0;

  String url = serverName;
  url += "?temperature=" + String(temperature);
  url += "&pressure=" + String(pressure);

  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    http.begin(url);
    int httpResponseCode = http.GET();

    if (httpResponseCode > 0) {
      String response = http.getString();
      Serial.println(httpResponseCode);
      Serial.println(response);
    } else {
      Serial.print("Error code: ");
      Serial.println(httpResponseCode);
    }

    http.end();
  }

  delay(5000);
}