Part comparison

Arduino Nano R4 vs DFRobot Romeo Mini ESP32-C3 Robot Control Board

A side-by-side comparison of source-backed specifications within the same subcategory.

13 shared specs1 scored

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ArduinoArduino Nano R4ABX00142

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DFRobotDFRobot Romeo Mini ESP32-C3 Robot Control BoardDFR1063

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Directional spec summary

Counts across 1 numeric specifications with a clear higher-or-lower direction.

Part A leads

Tied

Part B leads

These are metric-by-metric differences, not an overall performance score. Check the values below.

Specifications

13 specifications compared side by side.

Arduino Nano R4 / DFRobot Romeo Mini ESP32-C3 Robot Control Board
Compare bySpecification	AArduinoArduino Nano R4	BDFRobotDFRobot Romeo Mini ESP32-C3 Robot Control Board
Electrical1
Logic voltageUse-dependent	5 V	3.3 V
Control & communication12
Board kind	Main controller	Main controller
Board architecture	Standalone board	Standalone board
Primary applicationUse-dependent	embedded_control;industrial_automation;robotics	robotics;motor_control;servo_control
Processor vendorUse-dependent	Renesas	Espressif
ProcessorUse-dependent	RA4M1	ESP32-C3-MINI-1
Processor architectureUse-dependent	Arm Cortex-M4	RISC-V
Processor clock	48 MHz	160 MHz112 MHz higher
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
Communication interfacesUse-dependent	CAN (external transceiver required);I2C;USB-C	Wi-Fi;Bluetooth 5
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	RA4M1	ESP32-C3-MINI-1

AArduinoArduino Nano R4

BDFRobotDFRobot Romeo Mini ESP32-C3 Robot Control Board

Electrical1

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication12

Board kind

Part AMain controller

Part BMain controller

Board architecture

Part AStandalone board

Part BStandalone board

Primary applicationUse-dependent

Part Aembedded_control;industrial_automation;robotics

Part Brobotics;motor_control;servo_control

Processor vendorUse-dependent

Part ARenesas

Part BEspressif

ProcessorUse-dependent

Part ARA4M1

Part BESP32-C3-MINI-1

Processor architectureUse-dependent

Part AArm Cortex-M4

Part BRISC-V

Processor clock

Part A48 MHz

Part B160 MHz112 MHz higher

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

Communication interfacesUse-dependent

Part ACAN (external transceiver required);I2C;USB-C

Part BWi-Fi;Bluetooth 5

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ARA4M1

Part BESP32-C3-MINI-1

Product sources

Product sources used by this comparison

Arduino Nano R4Open source ↗

DFRobot Romeo Mini ESP32-C3 Robot Control BoardOpen source ↗