DAS1069-dat

link - https://www.electrodragon.com/product/esp8266-wifi-arduino-uart-extension-board/

Current 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/D4	Arduino serial switch between softserial or hardware serial
Serial Switch		Arduino or standalone output

ESP Part

• Serial selectable connect to arduino Serial D0/D1 or D3/D4

Lora Part

DHT11

• Selectable to ESP IO13 or Arduino A0, by backside jumper

Demo code

• arduino_uart_esp_at -> arduino send AT commands to ESP8266
• arduino_uart_esp_wifi -> "transparent" communicatino in TCP client mode
• in https://github.com/Edragon/arduino-esp8266/tree/master/Sketchbook/Hardware