Mega +WiFi R3 Atmega2560+NodeMCU ESP8266 32Mb Memory USB-TTL CH340G Compatible For Arduino Mega
This board features 32 Mb (megabits) flash memory for the ESP8266 and an onboard CH340G USB-to-TTL converter, allowing programming and communication via a single USB connection. Both microcontrollers can work independently or together, making it ideal for advanced IoT, automation, and networking projects.
A built-in DIP switch system allows flexible routing between USB, ATmega2560, and ESP8266, enabling easy sketch uploading, serial communication, and module interconnection without rewiring.
Mega +WiFi R3 Atmega2560+NodeMCU ESP8266 32Mb Memory USB-TTL CH340G Compatible For Arduino Mega
Available:In Stock
- Product SKU: KG776
₹ 1,299
₹ 1,999
Need Volume Discounts? Deals are specially designed for you. Click here
Need Customization? Provide us more details Click here
🏠
Warehouse Details:
Specification
Description
Mega + WiFi R3 ATmega2560 + NodeMCU ESP8266 (32Mb) USB-TTL CH340G Compatible Board
The Mega + WiFi R3 ATmega2560 + ESP8266 Development Board is a fully integrated solution that combines the power of the Arduino Mega R3 (ATmega2560) with the wireless capability of the ESP8266 Wi-Fi module on a single PCB.This board features 32 Mb (megabits) flash memory for the ESP8266 and an onboard CH340G USB-to-TTL converter, allowing programming and communication via a single USB connection. Both microcontrollers can work independently or together, making it ideal for advanced IoT, automation, and networking projects.
A built-in DIP switch system allows flexible routing between USB, ATmega2560, and ESP8266, enabling easy sketch uploading, serial communication, and module interconnection without rewiring.
Features
- Integrated ATmega2560 and ESP8266 Wi-Fi module on one board
- ESP8266 with 32 Mb (megabits) flash memory
- CH340G USB-TTL converter for programming and serial communication
- Arduino Mega R3 form factor and pin compatibility
- ATmega2560 and ESP8266 can operate independently or together
- DIP switch for selecting communication and programming modes
- Separate pin headers for ATmega2560 and ESP8266
- Compatible with Arduino IDE
DIP Switch Status & Mode Selection
| Connection Mode | SW1 | SW2 | SW3 | SW4 | SW5 | SW6 | SW7 | SW8 |
|---|---|---|---|---|---|---|---|---|
| CH340 → ESP8266 (Upload Sketch) | OFF | OFF | OFF | OFF | ON | ON | ON | Not Used |
| CH340 → ESP8266 (Serial Monitor) | OFF | OFF | OFF | OFF | ON | ON | OFF | Not Used |
| CH340 → ATmega2560 (Upload Sketch) | OFF | OFF | ON | ON | OFF | OFF | OFF | Not Used |
| ATmega2560 COM3 → ESP8266 | ON | ON | ON | ON | OFF | OFF | OFF | Not Used |
| ATmega2560 + ESP8266 (Work Together) | ON | ON | OFF | OFF | OFF | OFF | OFF | Not Used |
| All Modules Work Independently | OFF | OFF | OFF | OFF | OFF | OFF | OFF | Not Used |
Note: After selecting the required switch mode, configure the Arduino IDE accordingly before uploading sketches or opening the serial monitor.
Technical Specifications
- Item Type: Development Board
- Board Type: Arduino Mega R3 Compatible
- Main Microcontroller: ATmega2560
- Wi-Fi Module: ESP8266 (NodeMCU compatible)
- ESP8266 Flash Memory: 32 Mb (megabits)
- USB Interface: CH340G USB-TTL
- IDE Support: Arduino IDE
Physical Attributes
- Length: 105 mm
- Width: 53 mm
- Height: 12 mm
- Net Weight: 33 g
Applications
- Advanced IoT and Wi-Fi-enabled projects
- Networked automation systems
- Arduino Mega–based robotics projects
- Embedded system prototyping
- Educational and research development
Package Includes
- 1 × Mega + WiFi R3 ATmega2560 + ESP8266 Development Board