esp8266 http 下载

您可以使用ESP8266的HTTPClient库来进行HTTP下载。以下是一个简单的示例代码：

#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>

void setup() {
  Serial.begin(115200);
  WiFi.begin("your_SSID", "your_PASSWORD");
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
}

void loop() {
  HTTPClient http;
  http.begin("http://example.com/file_to_download.txt");
  int httpCode = http.GET();
  if (httpCode == HTTP_CODE_OK) {
    String payload = http.getString();
    Serial.println(payload);
  } else {
    Serial.println("Error downloading file");
  }
  http.end();
  delay(60000); // wait for 1 minute before downloading again
}

请注意，您需要将“your_SSID”和“your_PASSWORD”替换为您的WiFi网络的凭据，并将“http://example.com/file_to_download.txt”替换为您要下载的文件的URL。