#include <WiFi.h>

void setup(){
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
}

void loop(){
  Serial.println("Scan WiFi...");
  int  networks = WiFi.scanNetworks();
  if (networks == 0){
    Serial.println("No WiFi Networks!");
  } 
  else {
    Serial.print(networks);
    Serial.println(" Networks Found!");
    for(int i = 0; i < networks; i++) {
      Serial.print("WiFi ke - ");
      Serial.println(i+1);
      Serial.println(WiFi.SSID(i));
      Serial.println(WiFi.RSSI(i));
      delay(10);
    }
  }
}