Arduino Mega 2560+WiFi R3 ATmega2560+Node MCU ESP8266 CH340G Board Compatible with ArduinoMega +WiFi R3 Atmega2560+NodeMCU ESP8266 is a customized version of the Arduino MegaR3 board with full integration of Atmel ATmega2560 microcontroller and ESP8266Wi-F
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Mega +WiFi R3 Atmega2560+NodeMCU ESP8266 is a customized version of the Arduino MegaR3 board with full integration of Atmel ATmega2560 microcontroller and ESP8266Wi-FiIC, with 32 Mb (megabits) of flash memory, andCH340GUSB-TTL converter on a single board! All components can be set up to work together or independently.
Mega +WiFi R3 Atmega2560+NodeMCU ESP8266 32Mb Memory USB-TTL CH340G Compatible with Arduino Mega is Full integration on one board Mega R3 ATmega2560 and WiFi ESP8266 with memory 32Mb.
All of the modules can work together or separately. And everyone has their pinout headers. The convenient solution for the development of new projects requiringUnoandWiFi. Via USB you can update sketches and firmware forATmega328andESP8266.
| Connection/Switch No. | 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 independently | OFF | OFF | OFF | OFF | OFF | OFF | OFF | NoUSE |
Also, have the switch to change of connecting port between ATmega2560 and ESP8266After choosing the mode of the board can proceed to set up the IDEIt is important that when the ESP8266 module is programming, it is necessary to press the button Mode
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