Customized Arduino board ATmega2560+ESP8266 by robotdyn.com
It is a customized version of the classic ARDUINO MEGA R3 board. Full integration of Atmel ATmega2560 microcontroller and ESP8266 Wi-Fi IC, with 32 Mb (megabits) of flash memory, and CH340G USB-TTL converter on a single board! All components can be set up to work together or independently.
Operating mode is selected by means of DIP switches on-board:
Switch status and mode selection:
| Mode | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | RXD/TXD |
|---|---|---|---|---|---|---|---|---|---|
| USB <-> ESP8266 (upload sketch) | --- | --- | --- | --- | ON | ON | ON | NoUSE | 0 |
| USB <-> ESP8266 (connect) | --- | --- | --- | --- | ON | ON | --- | NoUSE | 0 |
| USB <-> ATmega2560 (upload sketch) | --- | --- | ON | ON | --- | --- | --- | NoUSE | 0 |
| USB <-> Mega2560 <-> ESP8266 (COM3) | ON | ON | ON | ON | --- | --- | --- | NoUSE | 0 |
| Mega2560 <-> ESP8266 | ON | ON | --- | --- | --- | --- | --- | NoUSE | 0 |
| All modules work independent | --- | --- | --- | --- | --- | --- | --- | NoUSE | 0 |
Also, have switch for change of connecting port between ATmega2560 and ESP8266
After choosing the mode of the board can proceed to set up the IDE It is important that when the ESP8266 module is programming, it is necessary to press the button “Mode”
