DFRobot Arduino-Compatible Microcontrollers Selection Guide

Product Name

DFRduino UNO R3 - Compatible with Arduino Uno

DFRduino Leonardo with Xbee Socket

DFRduino Mega2560 (Arduino Mega 2560 R3 Compatible)

DFRduino Mega1280 (Arduino Mega Compatible)

Romeo - a Robot Control Board with Motor Driver (Compatible with Arduino)

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino)

DFRobot Bluno - An Arduino-compatible Board - Bluetooth 4.0

WiDo - An Arduino Compatible IoT (internet of thing) Board (Discontinued)

Figure

SKU

DFR0216

DFR0221

DFR0191

DFR0003

DFR0004

DFR0225

DFR0267

DFR0321

Processor

ATmega328

ATmega32u4

ATmega2560

ATmega1280

ATmega328

ATmega32u4

ATmega328

ATmega32u4

Board Type

Arduino UNO

Arduino Leonardo

Arduino Mega 2560

Arduino Mega

Arduino UNO

Arduino Leonardo

Arduino UNO

Arduino Leonardo

Operating Voltage (Voltage / Input Voltage)

5 V/7-12 V

5 V/7-12 V

5 V/7-12 V

5 V/7-12 V

5 V/7-12 V

5 V/7-20 V

5 V/7-12 V

5 V/7-12 V

CPU Frequency

16MHz

16MHz

16MHz

16MHz

16MHz

16MHz

16MHz

16MHz

Analog Ports (Input / Output)

6 / 0

12 / 0

16 / 0

16 / 0

6 / 0

12 / 0

6 / 0

12 / 0

Digital Ports (IO/PWM)

14 / 6

20 / 7

54 / 15

54 / 15

14 / 6

20 / 7

14 / 6

20 / 7

EEPROM[KB]

1

1

4

4

1

1

1

1

SRAM[KB]

2

2.5

8

8

2

2.5

2

2.5

Flash[KB]

32

32

256

128

32

32

32

32

USB Interface

A-B

Micro

A-B

A-B

A-B

Micro

Micro

Micro

UART

1

2

4

4

1

2

1

2

Dimension

75 × 55mm

75 × 55mm

108 × 54mm

108 × 54mm

100 × 80mm

89 × 85mm

75 × 55mm

75 × 55mm

Features

*A low-cost Arduino UNO controller board designed for domestic Arduino fans. Full compatible with Arduino UNO R3. *Suitable for Arduino Beginners.

*Low-cost mian controller board. The main difference from the official one is that this board offers XBee socket and SPI directly-plugged interface, making the best of UART ports. *For low-cost project, and Arduino communication module development.

*DFRduino Mega 2560 comes with plenty of IO ports, 54 digital ports, 16 analog ports, and 4 UARTs. *Applicable to large projects that requires many sensors.

*Mega1280 has as many IO ports as Mega256, but comes with a smaller Flash. Besides, its price is lower than Mega2560. *Suitable for low-cost projects requiring many sensors.

*Romeo V1 is specially designed for robot fans. It integrates motor driver, all sorts of communication ports, IO expansion port and so on. *Extremely suitable for Arduino robot fans.

*The only difference between V1 and V2 is that Romeo V2 adopts ATmega32u4 chip, which provides 2 UARTs, convenient for wireless communication. *For Arduino robot fans to build up projects with wireless communication.

*The first Arduino controller board that integrates Bluetooth 4.0, bring much more flexibliy and possibility for Android and IOS mobile development. *For Android and IOS mobile App BLE developers.

*Integrated CC3000 wifi core and SD card function. Can store a large number of collected data. Compared with Wifi shield, wido is more lightweight and low-cost. *For IoT developers

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