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Arduino Mega 2560 R3

XARDUI-056

New product

 Mega2560 + WiFi R3 ATmega2560+ESP8266 32Mb memory USB-TTL CH340G. Compatible for Arduino Mega NodeMCU For WeMos ESP8266

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WeMOS Mega + WiFi R3 ATmega2560 + ESP8266 USB-TTL For Arduino Mega NodeMCU

Features:

Full integration on one board: Mega R3 ATmega2560 and WiFi ESP8266 with memory 32Mb (megabyte)
All of the modules can work together or each separately. And everyone has their own pinout headers
The convenient solution for the development of new projects requiring Uno and WiFi
Via USB you can update sketches and firmvare for ATmega2560 and for ESP8266. For this on board have the USB-serial converter CH340G
Use this board is very simple
The board has DIP-switch, to connect the modules
For example, to: USB and ATmeg2560, USB and ESP8266, ATmega2560 and ESP8266
 
Table DIP- Switch:
 
Connection                                                                                       DIP
                                                                 1            2           3             4            5             6              7
ATmega2560<->ESP8266                         ON         ON        OFF       OFF        OFF        OFF          OFF
USB <->ATmega2560                               OFF        OFF       ON        ON         OFF        OFF          OFF
USB<->ESP8266 (Update firmware or sketch) OFF  OFF       OFF       OFF        ON         ON           ON
USB<->ESP8266 (communication)            OFF        OFF       OFF       OFF        ON         ON           OFF
All independent                                        OFF        OFF       OFF       OFF        OFF        OFF          OFF
 
Special solution:
USB <->ATmega328<-> ESP8266
                                                                                       DIP                                        SWITH 2
Connection                                          1       2       3      4      5         6           7
 
USB <-> ATmega2560<-> ESP8266    ON    ON    ON  ON   OFF    OFF       OFF          To RXD3/TXD3
 
 
USB converter CH340G connect to RX0/TX0 of ATmega2560
ESP8266 connect to RX3/TX3 of ATmega2560

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