+ WiFi R3 ATmega2560+ESP8266 32Mb Memory USB-TTL CH340G Compatible for NodeMCU for WeMos ESP8266

Full integration on one board: R3 ATmega2560 and WiFi ESP8266 with 32Mb (megabyte) memoryAll modules can work together or separately. and they all have their own heads;The convenient solution for the development of new projects that require for and WiFiVia USB you can update sketches and firmware for ATmega2560 and for ESP8266. for this on board it has the CH340G USB-serial converterUsing this table is very simple;The board has a DIP-switch, to connect the modulesfor example, to: USB and ATmeg2560, USB and ESP8266, ATmega2560 and ESP8266Table DIP switch:DIP connection1, 2, 3, 4 5 5 5 6 6 7ATmega2560-ESP8266 in absolutely out ofUSB-ATmega2560 OFF on outsideUSB-ESP8266 (firmware update or sketch) off onUSB-ESP8266 (Communication) de en de of absolutely out ofSpecial solution:USB--ESP8266DIP Change 2Connection 1 2 3 4 5 6 7USB-ATmega2560-ESP8266 in OFF to RXD3 \/ TXD3CH340G USB converter connect to RX0 \/ TX0 from ATmega2560ESP8266 connect to RX3 \/ TX3 from ATmega2560Colour:BlackMaterial:ABSSize:10x6x3cmPackage Contents:1* MotherboardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.