/* ESP32 WiFi Scanning example */

#include "WiFi.h"
int led1 = 14;
const int buttonPin = 2;

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

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

  pinMode(led1, OUTPUT);
   pinMode(buttonPin, INPUT_PULLUP);

  // WiFi.scanNetworks 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 SSID and RSSI for each network found
      Serial.print(i + 1);
      Serial.print(": ");
      digitalWrite(led1, HIGH);
      Serial.print(WiFi.SSID(i));
      Serial.print(" (");
      Serial.print(WiFi.RSSI(i));
      Serial.print(")");
      Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN) ? " " : "*");
      delay(10);
    }
  }
  Serial.println("");

  // Wait a bit before scanning again
  delay(5000);
}
esp:0
esp:2
esp:4
esp:5
esp:12
esp:13
esp:14
esp:15
esp:16
esp:17
esp:18
esp:19
esp:21
esp:22
esp:23
esp:25
esp:26
esp:27
esp:32
esp:33
esp:34
esp:35
esp:3V3
esp:EN
esp:VP
esp:VN
esp:GND.1
esp:D2
esp:D3
esp:CMD
esp:5V
esp:GND.2
esp:TX
esp:RX
esp:GND.3
esp:D1
esp:D0
esp:CLK
led1:A
led1:C
r1:1
r1:2
r2:1
r2:2
btn1:1.l
btn1:2.l
btn1:1.r
btn1:2.r