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- SKU: 02056
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Mega 2560 R3 + WiFi ESP8266 Development Board - NodeMCU
The perfect low cost IoT board with Arduino Mega R3 compatible design and onboard ESP8266 + 8Mb flash. WiFi board antenna and direct interface with ATmega2560. Programmable (both Arduino + ESP8266) using CH340G based USB to TTL interface which can also be used as a generic com port. Ideal solution for Network connected embedded computing applications..
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.
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 |