⚙️ DFRduino Mega2560 is a high-performance ATmega2560-based microcontroller board fully compatible with the Arduino Mega 2560 R3. Designed for complex and demanding projects, it offers 54 digital I/O pins (including 15 PWM), 16 analog inputs, 4 hardware UARTs 🔁, and runs at a stable 16 MHz clock speed.
The latest version features an upgraded VIN power supply circuit ⚡, replacing the traditional LDO with a DC-DC converter for improved thermal performance and long-term reliability 🔋. It even supports 3.7V lithium battery operation, making it ideal for mobile and low-voltage applications.
With 256KB of flash memory 💾—twice the capacity of the Mega1280—this board is perfect for applications requiring extra I/O, memory, and multiple communication interfaces. Program it via USB or power it through an external adapter for flexible deployment.
📐 Key Features
- Microcontroller: ATmega2560
- Operating Voltage: 5V
- Input Voltage (VIN): 7–12V (supports 3–16V, max 20V)
- Digital I/O Pins: 54 (15 PWM)
- Analog Input Pins: 16
- UARTs: 4
- I2C / SPI: Supported
- Flash Memory: 256KB (4KB used by bootloader)
- SRAM: 8KB
- EEPROM: 4KB
- Clock Speed: 16 MHz
- USB Connection: A-B USB Cable
- Dimensions: 100 × 53 × 15 mm
- Weight: 70g
- IDE Compatibility: Arduino IDE 1.0 and above
📦 What's Included
- 1 × DFRduino Mega2560 Microcontroller Board
🌍 Applications
- 🎛️ Advanced DIY electronics
- 🤖 Sensor-rich robotics projects
- 📡 IoT systems and automation
- 🧠 Wearable tech and smart devices
- 🔌 Projects requiring multiple serial interfaces
🧪 Project Example
Simple Arduino-based Bioresonance Therapy Device
This DIY project demonstrates how to build a professional-grade therapy device for under $25 using the DFRduino Mega2560 as the main controller.