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Mega +WiFi R3 ATmega2560 ESP8266 CH340G Development Board

₹1,259.00 (Inclusive of all taxes)
Out of Stock

The Mega +WiFi R3 development board integrates an ATmega2560 microcontroller and an ESP8266 Wi-Fi module with 32Mb flash memory onto a single platform. Featuring a CH340G USB-TTL converter, this board allows independent or cooperative operation of its components, enabling versatile IoT and embedded projects.

Features

  • Seamless integration of ATmega2560 and ESP8266 Wi-Fi on a single board.
  • Features 32Mb (4MB) flash memory for ESP8266-based applications.
  • Equipped with a CH340G USB-TTL converter for easy programming and serial communication.
  • DIP-switch configurable for independent or collaborative operation of modules.
  • Retains compatibility with Arduino Mega R3 ecosystem and peripherals.

Out of stock

Description

The Mega +WiFi R3 board offers a powerful fusion of the classic Arduino Mega R3 architecture with modern Wi-Fi capabilities. It combines an Atmel ATmega2560 microcontroller, known for its extensive I/O and robust performance, with an ESP8266 Wi-Fi module boasting 32Mb of flash memory. This integration provides a comprehensive platform for complex embedded systems and Internet of Things (IoT) projects, allowing developers to leverage the rich Arduino ecosystem alongside advanced wireless connectivity.

Designed for flexibility, this board incorporates a CH340G USB-TTL converter and a series of DIP-switches. These switches enable users to easily configure connections between the USB port, the ATmega2560, and the ESP8266 module. This means you can program each component independently or establish serial communication between them for synergistic operations. The board maintains the standard Mega R3 pinout, ensuring compatibility with a wide range of shields and accessories while simplifying the setup process in popular IDEs like the Arduino IDE.

Key Features

  • Dual Microcontroller Integration: Features both ATmega2560 (Arduino Mega core) and ESP8266 (Wi-Fi SoC).
  • Onboard CH340G USB-TTL Converter: Provides reliable USB-to-serial communication for programming and debugging.
  • Generous Flash Memory: Includes 32Mb (4MB) SPI flash dedicated to the ESP8266 module.
  • Flexible Connectivity Modes: DIP-switches allow independent or interconnected operation of ATmega2560 and ESP8266.
  • Arduino Mega R3 Compatibility: Maintains the pinout and form factor of the Arduino Mega R3 for shield compatibility.
  • Separate Pinout Headers: Each module has its own accessible pin headers for easy access and expansion.
  • Simplified IDE Setup: Compatible with Arduino IDE for both ATmega2560 (as Mega 2560) and ESP8266 (with board manager).

Technical Specifications

Board TypeArduino Mega R3 Compatible
MicrocontrollersATmega2560, ESP8266
ESP8266 Flash Memory32Mb (4MB)
USB-Serial ConverterCH340G
Length106 mm
Width54 mm
Weight40 g

Frequently Asked Questions

How do I program the ATmega2560 and ESP8266 modules on this board?

The board features a CH340G USB-TTL converter and DIP-switches. You can program the ATmega2560 using the Arduino IDE as a standard Mega R3. For the ESP8266, select the appropriate switch configuration to connect it to the CH340G and use the Arduino IDE with ESP8266 board definitions, or ESP-IDF.

What is the purpose of the 32Mb flash memory on this board?

The 32Mb (4MB) flash memory is specifically dedicated to the ESP8266 Wi-Fi module. It provides ample space for storing firmware, web server files, and application data, enabling more complex and feature-rich IoT projects without external memory.

Can the ATmega2560 and ESP8266 communicate with each other?

Yes, the board is designed for flexible operation. The DIP-switches allow you to establish a serial connection between the ATmega2560 and ESP8266, enabling them to exchange data and control each other, forming a powerful networked microcontroller system.

What development environments are supported for this board?

For the ATmega2560, the standard Arduino IDE is fully supported, recognizing it as an Arduino Mega 2560. For the ESP8266, you can use the Arduino IDE with ESP8266 board manager installed, or leverage advanced toolchains like the Espressif IDF for more in-depth development.

Package Includes

  • 1 x Mega +WiFi R3 Atmega2560+NodeMCU ESP8266 Compatible For Arduino Mega

Additional Information

Weight 0.04 kg
Dimensions 10.6 × 5.4 cm