#include "WiFi.h"
#define redLedPin 23
#define greenLedPin 22
#define blueLedPin 2
void setup() {
  // put your setup code here, to run once:
  pinMode(redLedPin,OUTPUT);
  pinMode(blueLedPin,OUTPUT);
  pinMode(greenLedPin,OUTPUT);

  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFi.disconnect(); //to disconnect existing wifi
  delay(1000);

}

void loop() {
  // put your main code here, to run repeatedly:
  Serial.println("Scanning available networks...");
  digitalWrite(redLedPin,HIGH);
  digitalWrite(greenLedPin,HIGH);
  int n=WiFi.scanNetworks();  // to see if there is any existing networks
  if(n!=0){
    digitalWrite(redLedPin,LOW);
    digitalWrite(greenLedPin,HIGH);
    Serial.println(n);Serial.println(" network(s) found ");
    for(int i=0; i<n; ++i){    // now I want to display all the found networks name i,e SSID(networks name)
      Serial.print("network "); Serial.print(i+1); Serial.print(": ");
      Serial.print(WiFi.SSID(i));
      Serial.print(" ("); Serial.print(WiFi.RSSI(i)); Serial.print(" )");   // RSSI means recieved signal strength
      Serial.println((WiFi.encryptionType(i)== WIFI_AUTH_OPEN)? "open ": " ''' ");
      delay(50);
    }
  }

  else{
    Serial.println("no available networks found");
    digitalWrite(redLedPin,LOW);
    digitalWrite(greenLedPin,LOW);
  }

  Serial.println("\n............................................\n");
  delay(5000);


}