Building the Firmware

1. Add this json to the boardmanager urls http://arduino.esp8266.com/stable/package_esp8266com_index.json

   Arduino->Preferences->Add Board Manager URLs

   You should now have a LOLIN (Wemos) D1 R2 / Mini

   Select CPU Frequency 160 MhZ

   Flash Size 4M (3M SPIFFS)

2. Install all the libraries from the header via the library manager in Tools/Manage libraries

   Adafruit Dotstar

   WifiManager

   ArduinoJSON (5.x NOT >= 6.x)

3. Install the esp8266fs Arduino Plugin

   https://github.com/esp8266/arduino-esp8266fs-plugin

   You need this to upload the filesystem contents