Product Name

DFRobot Bluno

Romeo BLE

Bluno Mega 2560

Bluno Mega 1280 (Discontinued)

Bluno Nano

Bluno M3 (Discontinued)

Bluno M0 Mainboard (Discontinued)

Figure

SKU

DFR0267

DFR0305

DFR0323

DFR0306

DFR0296

DFR0329

DFR0416

Processor

ATemga328

ATemga328

ATemga2560

ATemga1280

ATemga328

STM32 F103RET6

NUC123ZD4AN0

Board Type

Arduino UNO

Arduino UNO

Arduino Mega 2560

Arduino Mega

Arduino UNO

Bluno M3

Bluno M0

BLE Chip Type

TI CC2540

TI CC2540

TI CC2540

TI CC2540

TI CC2540

TI CC2540

TI CC2540

Operating Voltage (Voltage / Input Voltage)

5 V/7-12 V

5 V/7-20 V

5 V/7-20 V

5 V/7-20 V

5 V/7-12 V

3.3 V/7-12 V

5 V/7-12 V

CPU Frequency

16MHz

16MHz

16MHz

16MHz

16MHz

72MHz

72MHz

Analog Ports (Input / Output)

6 / 0

6 / 0

16 / 0

16 / 0

6 / 0

11/ 0

6 / 0

Digital Ports （IO/PWM）

14 / 6

14 / 6

54 / 15

54 / 15

14 / 6

39 / 16

31 / 6

EEPROM[KB]

1

1

4

4

1

/

1

SRAM[KB]

2

2

8

8

2

64

20

Flash[KB]

32

32

256

128

32

512

68

USB Interface

Micro

Micro

Micro

Micro

Micro

Micro

Micro

UART

1

1

4

4

1

5

2

Dimension

75 × 54mm

94 × 80mm

100 × 53mm

106 × 53mm

53 × 19mm

68 × 31mm

68.5 × 53.4mm

Features

Bluno is first of its kind in integrating Bluetooth 4.0 (BLE) module into Arduino Uno. Compatible with all Arduino Uno pins, work well with any UNO-based expansion board.

Bluno Romeo is a BLE main controller designed for robot lovers. It integrates motor driver, communication interface of all sorts, IO expansion ports, etc. Suitable for Arduino robot fans.

Bluno Mega is an Arduino controller with 54 digital ports, 16 analog ports, 4 UARTs and plenty of IO ports. Applicable to large projects that requires many sensors.

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

Bluno nano is BLE main controller, small as a gum, compatible with small breadboards. Perfect for BLE projects with limited space or weight.

39 GPIO can be configured as interrupt control; up to 5 serial communication interfaces.

Bluno M0 is the only arduino controller that supports 5V standard logic level. It adopts arm Cortex-M0 core and carries IIS interface.

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