ESP8266 WiFi Test

#include "ESP8266WiFi.h"

void setup()

{

  Serial.begin(115200);

  Serial.println();

  WiFi.mode(WIFI_STA);

  WiFi.disconnect();

  delay(100);

}

void loop()

{

  Serial.print("Scan start ... ");

  int n = WiFi.scanNetworks();

  Serial.print(n);

  Serial.println(" network(s) found");

  for (int i = 0; i < n; i++)

  {

    Serial.println(WiFi.SSID(i));

  }

  Serial.println();

  delay(5000);