Esp32

esp32

expressif conf 22 backto iot

wifi setup over ble

https://desire.giesecke.tk/index.php/2018/04/06/esp32-wifi-setup-over-ble/

https://medium.com/@urish/start-building-with-web-bluetooth-and-progressive-web-apps-6534835959a6

wemos lolin32

esp32 wemos lite v1.0.0 ch340g
dowd q6
212018
turbo k7f64
https://diyprojects.io/wemos-lolin32-lite-compact-revision-lolin32-4-90/#.XHlbjohKhhF

nodemcu esp32s

hold down boot when uploading