esp32-weatherstation/src/main.cpp

/*
 * Blink
 * Turns on an LED on for one second,
 * then off for one second, repeatedly.
 */

#include <Arduino.h>
#include <WiFi.h>
#include <WiFiMulti.h>

WiFiMulti wifiMulti;

void setup()
{
  Serial.begin(115200);

  // initialize LED digital pin as an output.
  pinMode(LED_BUILTIN, OUTPUT);

  wifiMulti.addAP(WIFI_SSID, WIFI_PASSWD);
  wifiMulti.addAP(WIFI_SSID2, WIFI_PASSWD2);

  Serial.println("Connecting Wifi...");
  if(wifiMulti.run() == WL_CONNECTED) {
    Serial.println("");
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
  }
}

void loop()
{
  if(wifiMulti.run() != WL_CONNECTED) {
    Serial.println("WiFi not connected!");
    delay(1000);
  }
}