This is the ino file
#include <ESPWiFi.h>
#include <ESPHTTPClient.h>
#include <JsonListener.h>
// time
#include <time.h> // time() ctime()
#include <sys/time.h> // struct timeval
#include <coredecls.h> // settimeofday_cb()
#include "SSD1306Wire.h"
#include "OLEDDisplayUi.h"
#include "Wire.h"
#include "OpenWeatherMapCurrent.h"
#include "OpenWeatherMapForecast.h"
#include "WeatherStationFonts.h"
#include "WeatherStationImages.h"
#include "DHT.h"
/***************************
* Begin Settings
**************************/
// WIFI
const char* WIFI_SSID = "HUAWEI-vgh8";
const char* WIFI_PWD = "Nd52Ld72";
#define TZ +3 // (utc+) TZ in hours
#define DST_MN 0 // use 60mn for summer time in some countries
// Setup
const int UPDATE_INTERVAL_SECS = 5 * 60; // Update every 20 minutes
// Display Settings
const int I2C_DISPLAY_ADDRESS = 0x3c;
#define OLED_RESET -1
#if defined(ESP8266)
const int SDA_PIN = D2; //"D3;
const int SDC_PIN = D3; //"D4;
#else
const int SDA_PIN = 5; //D3;
const int SDC_PIN = 4; //D4;
#endif
// DHT Settings
#define DHTPIN 14// NodeMCU
//#define DHTPIN D6 // Wemos D1R2 Mini
#define DHTTYPE DHT11 // DHT22 (AM2302), AM2321
char FormattedTemperature[10];
char FormattedHumidity[10];
// OpenWeatherMap Settings
// Sign up here to get an API key:
//
https://docs.thingpulse.com/how-tos/openweathermap-key/
String OPEN_WEATHER_MAP_APP_ID = "aae20b6addd62b5b6a555ba9cd257f58";
/*
Go to
https://openweathermap.org/find?q= and search for a location. Go through the
result set and select the entry closest to the actual location you want to display
data for. It'll be a URL like
https://openweathermap.org/city/2657896. The number
at the end is what you assign to the constant below.
*/
String OPEN_WEATHER_MAP_LOCATION_ID = "625144";
// Pick a language code from this list:
// Arabic - ar, Bulgarian - bg, Catalan - ca, Czech - cz, German - de, Greek - el,
// English - en, Persian (Farsi) - fa, Finnish - fi, French - fr, Galician - gl,
// Croatian - hr, Hungarian - hu, Italian - it, Japanese - ja, Korean - kr,
// Latvian - la, Lithuanian - lt, Macedonian - mk, Dutch - nl, Polish - pl,
// Portuguese - pt, Romanian - ro, Russian - ru, Swedish - se, Slovak - sk,
// Slovenian - sl, Spanish - es, Turkish - tr, Ukrainian - ua, Vietnamese - vi,
// Chinese Simplified - zh_cn, Chinese Traditional - zh_tw.
String OPEN_WEATHER_MAP_LANGUAGE = "se";
const uint8_t MAX_FORECASTS = 3;
const boolean IS_METRIC = true;
// Adjust according to your language
//const String WDAY_NAMES[] = {"SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"};
const String WDAY_NAMES[] = {"SÖN", "MÅN", "TIS", "ONS", "TOR", "FRE", "LÖR"};
const String MONTH_NAMES[] = {"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"};
/***************************
* End Settings
**************************/
// Initialize the oled display for address 0x3c
// sda-pin=14 and sdc-pin=12
SSD1306Wire display(I2C_DISPLAY_ADDRESS, SDA_PIN, SDC_PIN);
OLEDDisplayUi ui( &display );
OpenWeatherMapCurrentData currentWeather;
OpenWeatherMapCurrent currentWeatherClient;
OpenWeatherMapForecastData forecasts[MAX_FORECASTS];
OpenWeatherMapForecast forecastClient;
#define TZ_MN ((TZ)*60)
#define TZ_SEC ((TZ)*3600)
#define DST_SEC ((DST_MN)*60)
time_t now;
// flag changed in the ticker function every 10 minutes
bool readyForWeatherUpdate = false;
// flag changed in the ticker function every 1 minute
bool readyForDHTUpdate = false;
String lastUpdate = "--";
long timeSinceLastWUpdate = 0;
//declaring prototypes
void drawProgress(OLEDDisplay *display, int percentage, String label);
void updateData(OLEDDisplay *display);
void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex);
void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state);
void drawIndoor(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void setReadyForWeatherUpdate();
// Initialize the temperature/ humidity sensor
DHT dht(DHTPIN, DHTTYPE);
float humidity = 0.0;
float temperature = 0.0;
// Add frames
// this array keeps function pointers to all frames
// frames are the single views that slide from right to left
FrameCallback frames[] = { drawDateTime, drawCurrentWeather, drawForecast, drawIndoor };
int numberOfFrames = 4;
OverlayCallback overlays[] = { drawHeaderOverlay };
int numberOfOverlays = 1;
void setup() {
AND here it always say
'Serial' does not name a typein this lines
Serial.begin(115200);
Serial.println();
Serial.println();
