linknode d1 / wemos d1 r1 wifimanager example

linknodewifimanager.ino

#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
//needed for library
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager

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

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

        //reset saved settings
        //wifiManager.resetSettings();

        //set custom ip for portal
        wifiManager.setAPStaticIPConfig(IPAddress(10,0,1,1), IPAddress(10,0,1,1), IPAddress(255,255,255,0));

        //fetches ssid and pass from eeprom and tries to connect
        //if it does not connect it starts an access point with the specified name
        //here "AutoConnectAP"
        //and goes into a blocking loop awaiting configuration
        wifiManager.autoConnect("LinkNodeAP");

        //or use this for auto generated name ESP + ChipID
        //wifiManager.autoConnect();

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

void loop() {
        // put your main code here, to run repeatedly:
        Serial.println("Hello world!");
        // wait for a second
        delay(1000);
}