DFRduino Mega2560 is a high-performance ATmega2560-based microcontroller board fully compatible with the Arduino Mega 2560 R3. Designed for complex and demanding projects, this DFRobot Mega compatible controller offers 54 digital I/O pins (including 15 PWM), 16 analog inputs, 4 hardware UARTs, and runs at a stable 16 MHz clock speed. As a robust microcontroller board, it ensures seamless integration with existing shields. The latest version of the DFRduino Mega2560 features an upgraded VIN power supply circuit, replacing the traditional LDO with a high-efficiency DC-DC converter for improved thermal performance and long-term reliability. This microcontroller board even supports 3.7V lithium battery operation, making the Arduino Mega 2560 R3 platform more versatile for mobile and low-voltage applications. With 256KB of flash memory—twice the capacity of the Mega1280—this DFRduino Mega2560 board is perfect for applications requiring extra I/O, memory, and multiple communication interfaces. You can easily program this ATmega2560 board via USB using the standard Arduino IDE or power it through an external adapter for flexible deployment of your microcontroller board projects. Key Features of DFRduino Mega2560 Microcontroller: ATmega2560 (Fully Arduino Mega 2560 R3 Compatible) Operating Voltage: 5V Input Voltage (VIN): 7–12V (supports 3–16V, max 20V for this microcontroller board) Digital I/O Pins: 54 (15 PWM) Analog Input Pins: 16 UARTs: 4 Hardware Serial Ports I2C / SPI: Supported by ATmega2560 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 (Arduino Mega 2560 R3 compatible) Applications for DFRobot Mega Board Advanced DIY electronics with DFRduino Mega2560 Sensor-rich robotics projects using ATmega2560 IoT systems and automation microcontroller board setups Wearable tech and smart devices Projects requiring multiple serial interfaces on Arduino Mega 2560 R3 Project Example Simple Arduino-based Bioresonance Therapy DeviceThis DIY project demonstrates how to build a professional-grade therapy device for under $25 using the DFRduino Mega2560 as the main microcontroller board and ATmega2560 controller. Reference & Resources for DFRobot Mega DFRobot Microcontroller Selection Guide Arduino IDE Download for Arduino Mega 2560 R3 DFRduino Mega2560 Schematics
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