#define LEDM 13
#define LEDB 14
#define BUTTON 33
#include "WiFi.h"
void setup()
{
    pinMode(LEDM, OUTPUT);
    pinMode(LEDB, OUTPUT);
    pinMode(BUTTON, INPUT);
    Serial.begin(115200);
    Serial.println("Initializing WiFi...");
    WiFi.mode(WIFI_STA);
    Serial.println("Setup done!");
}
void loop()
{
int value=digitalRead(BUTTON);
if (value==1){
digitalWrite(LEDM, LOW);
//delay(1000); // Wait for 1 sec
}
else{
digitalWrite(LEDM, HIGH);
//delay(1000); // Wait for 1 sec
Serial.println("Scanning...");

  // 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.println();
    Serial.print(n);
    Serial.println(" networks found");
    digitalWrite(LEDB, HIGH);
    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);
  digitalWrite(LEDB, LOW);
}

}