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Kód: Vybrat vše

#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>  
#include <ArduinoJson.h>        // JSON decoding library
// Libraries for SSD1306 OLED display
#include <Wire.h>              
#include <Adafruit_GFX.h>      
#include <Adafruit_SSD1306.h>  
 
#define OLED_RESET   X     // GPIO       
Adafruit_SSD1306 display(OLED_RESET);

 // set Wi-Fi SSID and password
const char *ssid     = "XXXXXX";
const char *password = "XXXXXXXXXX";
 
// set location and API key
String Location = "Havirov,cz";
String API_Key  = "XXXXXXXXXXXXXXXXXX";
 
void setup(void)
{
  Serial.begin(9600);
  delay(1000);
 
  Wire.begin(2, 0);  // set I2C pins
 
  // by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
  display.begin(SSD1306_SWITCHCAPVCC, 0x3D);  // initialize with the I2C addr 0x3D (for the 128x64)
  // init done
 
  Wire.setClock(400000L);   // set I2C clock to 400kHz
 
  display.clearDisplay();  // clear the display buffer
  display.setTextColor(WHITE, BLACK);
  display.setTextSize(1);
  display.setCursor(0, 0);
  display.println("  Internet Pocasi");
  display.print("  Mesto-Havirov");
  display.display();
 
  WiFi.begin(ssid, password);
 
  Serial.print("Connected");
  display.setCursor(0, 24);
  display.println("Connected...");
  display.display();
  while ( WiFi.status() != WL_CONNECTED )
  {
    delay(500);
    Serial.print(".");
  }
  Serial.println("connected");
  display.print("connected");
  display.display();
  delay(1000);
 
}
 
void loop()
{
  if (WiFi.status() == WL_CONNECTED)  //Check WiFi connection status
  {
    HTTPClient http;  //Declare an object of class HTTPClient
 
    // specify request destination
    http.begin("http://api.openweathermap.org/data/2.5/weather?q=" + Location + "&APPID=" + API_Key);  // !!
 
    int httpCode = http.GET();  // send the request
 
    if (httpCode > 0)  // check the returning code
    {
      String payload = http.getString();   //Get the request response payload
 
      DynamicJsonBuffer jsonBuffer(512);
 
      // Parse JSON object
      JsonObject& root = jsonBuffer.parseObject(payload);
      if (!root.success()) {
        Serial.println(F("Parsing failed!"));
        return;
      }
 
      float temp = (float)(root["main"]["temp"]) - 273.15;        // get temperature in °C
      int   humidity = root["main"]["humidity"];                  // get humidity in %
      float pressure = (float)(root["main"]["pressure"]) / 1000;  // get pressure in bar
      float wind_speed = root["wind"]["speed"];                   // get wind speed in m/s
      int  wind_degree = root["wind"]["deg"];                     // get wind degree in °
 
      // print data
      Serial.printf("Teplota     = %.2f°C\r\n", temp);
      Serial.printf("Vlhkost     = %d %%\r\n", humidity);
      Serial.printf("Tlak        = %.3f bar\r\n", pressure);
      Serial.printf("Rych.vetru  = %.1f m/s\r\n", wind_speed);
      Serial.printf("Stup.vetru  = %d°\r\n\r\n", wind_degree);
 
      display.setCursor(0, 24);
      display.printf("Teplota    : %5.2f C\r\n", temp);
      display.printf("Vlhkost    : %d %%\r\n", humidity);
      display.printf("Tlak       : %.3fbar\r\n", pressure);
      display.printf("Rych.vetru : %.1f m/s\r\n", wind_speed);
      display.printf("Stup.vetru : %d", wind_degree);
      display.drawRect(109, 24, 3, 3, WHITE);     // put degree symbol ( ° )
      display.drawRect(97, 56, 3, 3, WHITE);
      display.display();
 
    }
 
    http.end();   //Close connection
 
  }
 
  delay(60000);   // wait 1 minute
 
}