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Varenr. DFR0191

DFRduino Mega2560 (Arduino Mega 2560 R3 Compatible)


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Project 1. Hyduino - Automated Hydroponics with DFRduino Mega2560

Introduction: Hydroponics is growing plants without the use of a traditional dirt medium by using a nutrient-rich water solution. This is especially great for those people that have limited areas in their backyard to grow in.

Project 2. Simple Arduino based Bioresonance Therapy device, RIFE Machine.

Introduction: The purpose of this project was to explain how to make such a device yourself with "professional" features whose complete cost does not exceed twenty-five dollars. This is how I want to capture the real value of such devices that are sold today on the Internet.




  • DFRobot Arduino Compatible Microcontroller Selection Guide 
  • DFRduino Mega 2560 Selection Guide 
  • Arduino Mega 2560 Website
  • Arduino IDE Download
  • DFRduino Mega2560 Controller Schematics
  • Introduction

    The new version of DFRduino Mega2560 has improved the VIN power supply circuit by changing the easily overheat LDO to DC-DC circuit for ensuring safety and reliability in long-term use. In addition to optimizing the overheating issue, it offers a wider input voltage range. What’s more, DFRduino Mega2560 can work steadily even when only powered by a 3.7V lithium battery.

    DFRduino Mega2560 is an ATmega2560-based microcontroller that provides full compatibility with "Arduino MEGA2560“. It features 54 digital I/O ports, 16 analog signal input ports, 4 UARTs(hardware serial ports), and a 16MHz crystal oscillator. The board comes with a bootloader that enables users to download programs directly via a USB. You can simply power it with a USB cable or a standard adapter or use a battery as external power. Mega 2560 has 256KB FLASH, two times of Mega1280, which could offer a larger create space for your projects.

    DFRobot Arduino Compatible Microcontrollers Series
    DFRduino UNO R3 DFRobot Leonardo with Xbee Socket DFRobot Mega 2560 V3.0 Romeo V2- an Arduino Robot Board Romeo - an Arduino Robot Control Board with Motor Driver
    Name DFRduino UNO DFRobot Leonardo DFRobot Mega 2560 Romeo V2 Romeo
    SKU DFR0216 DFR0221 DFR0191 DFR0225 DFR0004
    Microcontroller ATmega328p ATmega32u4 ATmega2560 ATmega32U4 Atmega328
    Working voltage 5V 5V 5V 5V 5V
    CPU Frequency 16MHz 16MHz 16MHz 16MHz 16MHz
    TIO ports / PWM 6 / 14 7 / 20 54 / 15 20 / 7 14 / 6
    Analog inputs 6 12 16 12 8
    UART 1 2 4 2 1
    I2C 1 1 2 3 3
    SPI 1 1 1 1 1
    Interrupt pins 2 2 2 2 2
    EEPROM[KB] 1 1 4 1 1
    Flash[KB] 32 32 256 32 32
    SRAM[KB] 2 2.5 8 2.5 2

    A-B USB cable

    micro USB cable

    A-B USB cable

    micro USB cable

    A-B USB cable

    Dimension 75*55*15mm 75*55*15mm 100*53*15mm 89*84*14mm 90*80*14mm
    Vin 7-12V 7-12V 7-12V 7-12V 7-12V
    Price $19.9 $19.9 $24.9 $34.95 $29.5
    Weight(g) 45 50 70 80 80
    IDE version Arduino 1.0 and above Arduino 1.0 and above Arduino 1.0 and above Arduino 1.0 and above Arduino 1.0 and above
    Feature DFRduino UNO is fully compatible with Arduino UNO R3, suitable for Arduino beginners and hobbyists DFRobot Leonardo is a low-cost controller, integrated with Xbee and SPI. Suitable for low cost and communication demand of hobbyists DFRduino Mega has 54 digital pins and 16 analog pins, 4 UART channels. Suitable for demands of vast sensors Use ATmega32u4, 2 serial ports. Integrated with Xbee socket and motor drivers Microcontroller with motor driver, communication ports, IO expansion ports, it can be used as the main controller of robots


  • Controller Model: ATmega2560
  • Operating Voltage: 5V
  • Input Voltage(VIN): 3-16V(20V max)
  • Digital I/O Pins: 54 (of which 15 provide PWM output)
  • Analog Inputs: 16 I/O
  • FLASH: 256 KB (of which 4 KB is used by the bootloader)
  • SRAM: 8KB
  • Frequency: 16MHz
  • Shipping List

  • DFRduino Mega2560 Microcontroller x1
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