A bag of wifi arrived from aliexpress - it's all esp8266 based units called "wemos d1 mini". They're tiny little blue boards with a wifi chip that some clever opensource folks got working with Arduino.
A bag of wifi
A bag of wifi arrived from aliexpress - it's all esp8266 based units called "wemos d1 mini". They're tiny little blue boards with a wifi chip that some clever opensource folks got working with Arduino.