Description
Overview
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 (Megabyte) of flash memory, and CH340G USB-TTL converter on a single board! All components can be set up to work together or independently.
The operating mode is selected by means of DIP switches on-board:
Switch status and mode selection:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
| CH340 connect to ESP8266 (upload sketch) | OFF | OFF | OFF | OFF | ON | ON | ON | NoUSE |
| CH340 connect to ESP8266 (connect) | OFF | OFF | OFF | OFF | ON | ON | OFF | NoUSE |
| CH340 connect to ATmega2560 (upload sketch) | OFF | OFF | ON | ON | OFF | OFF | OFF | NoUSE |
| CH340 connect to Mega2560 COM3 connect to ESP8266 | ON | ON | ON | ON | OFF | OFF | OFF | NoUSE |
| Mega2560+ESP8266 | ON | ON | OFF | OFF | OFF | OFF | OFF | NoUSE |
| All modules work independent | OFF | OFF | OFF | OFF | OFF | OFF | OFF | NoUSE |
