Arduino Mega with inbuilt wifi module
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Arduino Mega with inbuilt wifi module

Description of product

Description

This is a customized Arduino Mega board with ATmega2560 micro-controller IC and ESP8266 wifi IC with 8MB flash memory and CH340g USB to TTL converter IC all on single board.

  • Full integration on one board: Mega R3 ATmega2560 and WiFi ESP8266 with memory 8 Mb.
  • 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 firmware 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

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

SWITH 2

Connection

1

2

3

4

5

6

7

USB <-> ATmega2560<-> ESP8266

ON

ON

ON

ON

OFF

OFF

OFF

To RXD3/TXD3

ESP8266 connect to RX3/TX3 of ATmega25

USB converter CH340G connect to RX0/TX0 of ATmega2560