web
https://raw.githubusercontent.com/RuiSantosdotme/Random-Nerd-Tutorials/master/Projects/ESP/ESP_HTML_Form_Input_Data.ino
DNS captive portal
https://arduino.stackexchange.com/questions/77642/esp32-open-captive-portal-on-connected
eeprom array
https://forum.arduino.cc/index.php?topic=239999.0
https://roboticsbackend.com/arduino-store-array-into-eeprom/
http://www.esp8266learning.com/wemos-oled-shield-example.php
https://iotdesignpro.com/projects/interfacing-oled-display-with-esp32-using-arduino-ide
ESp32
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