ESP-1ch-Gateway/lib/WiFiManager-development/examples/Old_examples/AutoConnectWithReset/AutoConnectWithReset.ino

#include <FS.h>          // this needs to be first, or it all crashes and burns...
#include <WiFiManager.h> // https://github.com/tzapu/WiFiManager

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println();

  //WiFiManager
  //Local intialization. Once its business is done, there is no need to keep it around
  WiFiManager wifiManager;

  //exit after config instead of connecting
  wifiManager.setBreakAfterConfig(true);

  //reset settings - for testing
  //wifiManager.resetSettings();


  //tries to connect to last known settings
  //if it does not connect it starts an access point with the specified name
  //here  "AutoConnectAP" with password "password"
  //and goes into a blocking loop awaiting configuration
  if (!wifiManager.autoConnect("AutoConnectAP", "password")) {
    Serial.println("failed to connect, we should reset as see if it connects");
    delay(3000);
    ESP.restart();
    delay(5000);
  }

  //if you get here you have connected to the WiFi
  Serial.println("connected...yeey :)");


  Serial.println("local ip");
  Serial.println(WiFi.localIP());
}

void loop() {
  // put your main code here, to run repeatedly:


}