docs.mokr.org
MH-Tiny ATTiny88
https://forum.mhetlive.com/topic/47/mh-et-live-tiny88-16-0mhz
https://www.youtube.com/watch?v=_n2W72m9Oek
https://github.com/digistump/DigistumpArduino/releases
D1 Mini ESP32
Description
Espressif WiFi Examples
ESP32 Arduino: Getting started with WiFi
ESP32 Useful Wi-Fi Library Functions (Arduino IDE)
ESP32 Web Server – Arduino IDE
ESP32 MQTT – Publish and Subscribe with Arduino IDE