DFRduino Mega2560 R3 Development Board
The DFRduino Mega2560 is an ATmega2560-based microcontroller board, fully compatible with Arduino MEGA2560 R3, designed for complex projects requiring extensive I/O and memory. It features an improved DC-DC power circuit, ensuring reliable operation across a wide 3-16V input voltage range, even with 3.7V lithium batteries.
Features
- Powered by the robust ATmega2560 microcontroller at 16MHz for demanding applications.
- Offers 54 digital I/O pins (15 PWM) and 16 analog inputs for extensive peripheral connectivity.
- Enhanced VIN power supply circuit (DC-DC) supports 3-16V input, compatible with 3.7V Li-ion batteries.
- Provides 256KB Flash memory and 8KB SRAM for larger, more complex program storage.
- Full compatibility with Arduino MEGA2560 R3, leveraging its vast ecosystem and development tools.
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The DFRduino Mega2560 is a powerful ATmega2560-based microcontroller board, offering full compatibility with the Arduino MEGA2560 R3. Engineered for advanced embedded projects, it provides extensive I/O capabilities and ample memory for complex tasks. A significant enhancement in this version is the upgraded DC-DC power supply circuit, which replaces the easily overheated LDO, ensuring greater safety and reliability during long-term operation. This improved circuit also supports a wider input voltage range of 3-16V, enabling stable performance even when powered by a 3.7V lithium battery.
Core specifications include 54 digital I/O ports (15 capable of PWM output), 16 analog input ports, and four hardware UARTs for robust serial communication. The board operates at 16MHz and is equipped with 256KB of Flash memory and 8KB of SRAM, providing significantly more space for user programs compared to older models. A pre-installed bootloader facilitates direct program downloads via USB, making it easy to get started with the Arduino IDE. Flexible power options allow users to power the board via a USB cable, a standard DC adapter, or an external battery source.
Additional Information
| Weight | 0.04 kg |
|---|---|
| Dimensions | 10 × 5.3 × 1.5 cm |














