DAS1069-dat
link - https://www.electrodragon.com/product/esp8266-wifi-arduino-uart-extension-board/
Version 2
Version 1
Configuration
| Jumper Name | Set | Description |
|---|---|---|
| Flash | ON or OFF | Set flash mode, flash LED will turn on |
| Arduino Serial | D1/D0 or D3/D2 | Arduino serial switch between softserial or hardware serial |
| Serial Switch | Arduino or standalone output |