Arduino Mega R3 Integrated with ESP8266 4Mb

• Arduino Mega R3 board integrated with esp8266 module
• Program both Mega and esp8266 separately using dip switch
• Mega and esp8266 can communicate each other via serial by adjusting dip switch
• For more details, check our Github repo [Erratums/ESP8266]

Table DIP- Switch

• ATMega2560 - ESP8266: ON-[1, 2] OFF-[3-7]
• USB - ATMega2560: ON-[3, 4] OFF-[1, 2, 5-7]
• USB - ESP8266 (Update firmware or sketch): ON-[5, 6, 7] OFF-[1-4]
• USB - ESP8266 (communication): ON-[5, 6] OFF-[1-4, 7]
• All independent: ON-[Nil] OFF-[1-7]

Special solution

• USB - ATMega2560 - ESP8266 => ON-[1-4] OFF-[5-7] Switch 2 => To RXD3/TXD3