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Description
DFR ARDUINO ROMEO 328DFR0004 Romeo all in one Controller (Arduino Compatible Atmega 328) Overview RoMeo is an All in One Arduino compatible microcontroller especially designed for robotics applications from DFRobot The Romeo benefits from the Arduino open source platform, it is supported by thousands of open source codes, and can easily be expanded with Arduino Shields The integrated 2 way DC motor driver and wireless socket allows you to start your project immediatly
DFR0004 Romeo-all in one Controller (Arduino Compatible Atmega 328)
Overview
- RoMeo is an All-in-One Arduino compatible microcontroller especially designed for robotics applications from DFRobot
- The Romeo benefits from the Arduino open source platform, it is supported by thousands of open source codes, and can easily be expanded with Arduino Shields
- The integrated 2 way DC motor driver and wireless socket allows you to start your project immediatly without the need for an additional motor driver or wirless shield
- The Romeo v1.1 differs from the preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega8U2 programmed as a USB-to-serial converter. All the pins of the new Romeo use colored pin headers(FIT0084-R,FIT0084-B,FIT0084-G)
- Commonly used : Green for digital I/O;Blue for Analog I/O;Red for Voltage
Specifications
- DC Supply : USB Powered or External 7V~12V DC
- DC Output : 5V /3.3V DC and External Power Output
- Microcontroller : Atmega328
- Bootloader : Arduino Uno
- Compatible with the Arduino Uno pin mapping
- 8 Channels 10-bit Analog I/O
- USB interface
- 5 key inputs
- Auto sensing/switching power input
- ICSP header for direct program download
- Serial Interface TTL Level
- Support Male and Female Pin Header
- Integrated sockets for APC220 RF Module and DF-Bluetooth Module
- Three I2C Interface Pin Sets(two 90°pin headers)
- Two way Motor Driver with 2A maximum current
- Gold plating pcb board
- Size : 90x80x14mm
- Weight : 60 gram
Downloads
Additional Information
| Keywords | arduino, dfrobot, romeo, atmega328 |
| Device | Microcontroller |
| References | Product Page |
| Videos |
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4.5 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
100% recommend
Model: Model B with Removable Tray, Model: Model B with Removable Tray
Great addition to our kitchen. For something we walk by every day it was worth it to get a good quality one like this. Super well made and beautiful wood color in person.
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Reviewed in the United States on May 12, 2025
★★★★★ 5
Looks expensive. Wheels could be better.
Model: Model B with Removable Tray
This got RAVE reviews when I wheeled it into a neighbor’s Thanksgiving celebration. The guests thought it was WAY more expensive than I paid. That said, the wheels aren’t all that great; the cart got stuck going into and out of the elevator. I had to lift the cart to get it over the track. But overall, I really like it. One caution. Read the instructions carefully so that the wine racks fit. I didn’t assemble it correctly, and it became apparent when the wine racks would not fit. But I was able to quickly disassemble the necessary sections, and reassemble them quickly.
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Reviewed in the United States on November 30, 2025
★★★★★ 5
Price vs quality
Model: Model B with Removable Tray
Aside from the fact that it's beautiful ,price wise is very competitive.
We didn't want to occupy too much space in the living room so a bar cart seemed the best option.
And this one caught our eye. Easy to assemble, very sturdy and did I say beautiful ??
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Reviewed in the United States on December 6, 2022
★★★★★ 5
Everything it should be !!
Model: Model B with Removable Tray
Nice cart. Friends are so impressed, I think 2 or 3 might order one for themselves. I know that I am happy!
Quality product, easy assembly and looks great! Who could ask for anything more?
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Reviewed in the United States on April 3, 2024
★★★★★ 5
Cosina
Color: Black, Size: 9.4*4.1*5IN
Excelente producto
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Reviewed in the United States on January 23, 2026