Product details

Romeo V2

Robot Control Boards and Computing Components

DFRobot

Romeo V2

About this product

An ATmega32u4 robot controller compatible with the Arduino Leonardo environment. It integrates dual DC-motor drive, stepper-motor control, an XBee socket and sensor expansion. The current gallery depicts V2.2 hardware. Store and wiki power-output ratings differ and are retained as separate qualified claims. Cover image: Official DFR0225 gallery photograph of V2.2 hardware; legacy wiki ratings are not confirmed for the pictured revision.

Model
Romeo V2 DFR0225
Category
Robot Control Boards and Computing Components, Components
Product stage
Commercial

Specifications & evidence

Source-backed claims. Configuration, workload and evidence type matter when comparing products.

Analog input pin mapping

A0–A5; A6–A11 on digital pins 4, 6, 8, 9, 10 and 12

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Analog Inputs: A0-A5, A6 - A11 (on digital pins 4, 6, 8, 9, 10, and 12)

Board dimensions

89 × 84 × 14 mm

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Size: 89 x 84 x 14mm (3.50

Bootloader

Arduino Leonardo

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Bootloader: Arduino Leonardo

Dc motor driver

Two channels; 2 A maximum

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Two-way Motor Driver with 2A maximum current

Dc output claim

5 V (2 A) / 3.3 V

Manufacturer specification

Configuration: DFR0225 store claim; Current store claim; official wiki instead prints 5 V (200 mA) / 3.3 V (100 mA). Revision dependence unresolved; do not assume interchangeable current limits.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
DC Output: 5V(2A) / 3.3V DC

Dc output claim

5 V (200 mA) / 3.3 V (100 mA)

Manufacturer specification

Configuration: DFR0225 wiki claim; Official wiki claim; current store instead prints 5 V (2 A) / 3.3 V. Revision dependence unresolved; do not assume interchangeable current limits.

Romeo V2 - a Robot Control Board with Motor Driver | DFRobot Wiki
DC Output: 5V(200mA) / 3.3V(100mA)

External supply range

6–23 V DC

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
DC Supply: USB Powered or External 6V ~ 23V DC

I2c/twi connector sets

3 sets

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Three I2C/TWI Interface Pin Sets (two 90°pin headers)

Key inputs

5 inputs

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
5 key inputs for testing

Microcontroller

ATmega32u4

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Microcontroller: ATmega32u4

Motor continuous current

2 A

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Motor driver Continuous Output Current: 2A

Pin mapping

Arduino R3 compatible

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Compatible with the Arduino R3 pin mapping

Pwm pins

3, 5, 6, 9, 10, 11, 13

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
PWM: 3, 5, 6, 9, 10, 11, and 13. Provide 8-bit PWM output

Pwm resolution

8 bit

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
PWM: 3, 5, 6, 9, 10, 11, and 13. Provide 8-bit PWM output

Radio expansion sockets

APC220 RF and DF-Bluetooth modules

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Integrated sockets for APC220 RF Module and DF-Bluetooth Module

Stepper driver

One stepper motor; 2 A maximum

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
One Stepper Motor Drive with 2A maximum current

V2.2 power-system change

Power system redesigned to improve ADC stability

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Romeo V2.2 redesigns the power supply system to improve the stability of the ADC circuit.

Xbee socket

Built-in

Manufacturer specification

Configuration: DFR0225; Manufacturer specification; no independent measurement.

Romeo V2 - a Robot Control Board with Motor Driver (Compatible with Arduino) - DFRobot
Built-in Xbee socket

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