// ESP32 Wi-Fi Scanner demo — magikh0e.pl web flasher
#include <WiFi.h>
void setup() {
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(200);
}
void loop() {
  int n = WiFi.scanNetworks();
  Serial.printf("%d networks\n", n);
  for (int i = 0; i < n; i++)
    Serial.printf("  %-22s ch%2d %4ddBm %s\n",
      WiFi.SSID(i).c_str(), WiFi.channel(i), WiFi.RSSI(i),
      WiFi.encryptionType(i) == WIFI_AUTH_OPEN ? "open" : "enc");
  delay(5000);
}