Arduino Mega 2560 + WiFi (ESP8266) Development Board
- Brand:
- Arduino
- Product Code:
- 2018-1-749
- Availability:
- 12
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ATmega2560 + ESP8266 Development Board (32MB Flash, CH340G)
It is an integrated development platform that combines an Arduino Mega compatible ATmega2560 microcontroller and a built-in ESP8266 WiFi module on a single board. Thanks to the ESP8266 with 32 MB (megabit) SPI flash memory, wireless communication projects can be easily realized. The modules can be configured to work independently or together using the DIP switches on the board. It is fully compatible with Arduino IDE programming.
DIP Switch Configuration
| Connection | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| ATmega2560 ↔ ESP8266 | On | On | Off | Off | Off | Off | Off |
| USB ↔ ATmega2560 | Off | Off | On | On | Off | Off | Off |
| USB ↔ ESP8266 (firmware/sketch update) | Off | Off | Off | Off | On | On | On |
| USB ↔ ESP8266 (serial communication) | Off | Off | Off | Off | On | On | Off |
| All independent | Off | Off | Off | Off | Off | Off | Off |
Special Solution: USB ↔ ATmega2560 ↔ ESP8266
With this configuration, you can connect to the ATmega2560 via the computer and at the same time enable serial communication with the ESP8266 (RXD3/TXD3).
| Connection | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Note |
|---|---|---|---|---|---|---|---|---|
| USB ↔ ATmega2560 ↔ ESP8266 | On | On | On | On | Off | Off | Off | via RXD3/TXD3 |
Note: When loading new firmware or sketch to the ESP8266 module, do not forget to press and hold the MODE button on the board.
