#include <WiFi.h>

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  WiFi.mode(WIFI_STA);
}

void loop() {
Serial.println("Escanear Wifi...");
int networks = WiFi.scanNetworks();
if (networks == 0){
  Serial.println("Nenhuma rede encontrada!");
  } else{
    Serial.println(networks);
    Serial.println("Rede encontrada");
    for(int i= 0; i < networks; i++){
    Serial.println("Wifi ke-");
    Serial.println(i+1);
    Serial.println(WiFi.SSID(i));
    Serial.println(WiFi.RSSI(i));
    delay(10);
    }
  }
}