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 Serial Part

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

Lora SPI Part

• D13 - CLK
• D12 - DO
• D11 - DI
• D10 - CS
• DIO0 / IRQ - D2

Reserved DIO (via jumpers)

• DIO1 - D6
• DIO2 - D7
• DIO5 - D8
• DIO3 - x
• DIO4 - x

Other

• D5 - Flash_CS

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