#include <WiFi.h>

// Replace with your network credentials (STATION)
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const char* password = "REPLACE_WITH_YOUR_PASSWORD";

unsigned long previousMillis = 0;
unsigned long interval = 30000;

void initWiFi() {
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi ..");
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print('.');
    delay(1000);
  }
  Serial.println(WiFi.localIP());
}

void setup() {
  Serial.begin(115200);
  initWiFi();
  Serial.print("RSSI: ");
  Serial.println(WiFi.RSSI());
}

void loop() {
  unsigned long currentMillis = millis();
  // if WiFi is down, try reconnecting every CHECK_WIFI_TIME seconds
  if ((WiFi.status() != WL_CONNECTED) && (currentMillis - previousMillis >=interval)) {
    Serial.print(millis());
    Serial.println("Reconnecting to WiFi...");
    WiFi.disconnect();
    WiFi.reconnect();
    previousMillis = currentMillis;
  }
}




// #include <WiFi.h>

// // Replace with your network credentials (STATION)
// const char* ssid = "REPLACE_WITH_YOUR_SSID";
// const char* password = "REPLACE_WITH_YOUR_PASSWORD";

// void initWiFi() {
//   WiFi.mode(WIFI_STA);
//   WiFi.begin(ssid, password);
//   Serial.print("Connecting to WiFi ..");
//   while (WiFi.status() != WL_CONNECTED) {
//     Serial.print('.');
//     delay(1000);
//   }
//   Serial.println(WiFi.localIP());
// }

// void setup() {
//   Serial.begin(115200);
//   initWiFi();
//   Serial.print("RRSI: ");
//   Serial.println(WiFi.RSSI());
// }

// void loop() {
//   // put your main code here, to run repeatedly:
// }


// #include "WiFi.h"

// void setup() {
//   Serial.begin(115200);

//   // Set WiFi to station mode and disconnect from an AP if it was previously connected
//   WiFi.mode(WIFI_STA);
//   WiFi.disconnect();
//   delay(100);

//   Serial.println("Setup done");
// }

// void loop() {
//   Serial.println("scan start");

//   // WiFi.scanNetworks will return the number of networks found
//   int n = WiFi.scanNetworks();
//   Serial.println("scan done");
//   if (n == 0) {
//       Serial.println("no networks found");
//   } else {
//     Serial.print(n);
//     Serial.println(" networks found");
//     for (int i = 0; i < n; ++i) {
//       // Print SSID and RSSI for each network found
//       Serial.print(i + 1);
//       Serial.print(": ");
//       Serial.print(WiFi.SSID(i));
//       Serial.print(" (");
//       Serial.print(WiFi.RSSI(i));
//       Serial.print(")");
//       Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?" ":"*");
//       delay(10);
//     }
//   }
//   Serial.println("");

//   // Wait a bit before scanning again
//   delay(5000);
// }