For fun and learn, it uses a ESP8266 (NodeMCU) and a ProMini arduinos linked via I2C, the code for the ProMini is on the ProMini_wx_station repo
This is an early stage and design is evolving...
This project is a Platformio one, if you use arduino simply copy the files in the src
folder and change the extensions to .ino and remove the #include <Arduino.h>
on top of the main.cpp, then look for the following libs and load them in your arduino.
This project use (as you may guess) some libs from others, you can fin them here: