#include "WiFi.h"

void setup() {
Serial.begin(115200);
Serial.println("Initializing wifi...");
WiFi.mode (WIFI_STA);
Serial.println("Setup done!");
}

void loop() {
Serial.println("Scanning...");

// WIFI.Scantletworks 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");

for (int i = 0; i < n; ++i) {
// Print 55ID 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 ? " " : "*"  ));
}
}}