Part comparison

Arduino UNO R4 Minima vs ROBOTIS OpenRB-150

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

20 shared specs5 scored

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ArduinoArduino UNO R4 MinimaABX00080

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ROBOTISROBOTIS OpenRB-150OpenRB-150

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Directional spec summary

Counts across 5 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

20 specifications compared side by side.

Arduino UNO R4 Minima / ROBOTIS OpenRB-150
Compare bySpecification	AArduinoArduino UNO R4 Minima	BROBOTISROBOTIS OpenRB-150
Electrical2
Minimum input voltageUse-dependent	6 V	3.7 V
Maximum input voltageUse-dependent	24 V	12.6 V
Control & communication18
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	microcontroller
Primary applicationUse-dependent	education;robotics;embedded_control	DYNAMIXEL;robot_control
Processor vendorUse-dependent	Renesas	Microchip
ProcessorUse-dependent	RA4M1	SAMD21
Processor architectureUse-dependent	ARM Cortex-M4	ARM Cortex-M0+
Processor clock	48 MHz	48 MHz
Open-source hardware	Yes	Yes
Open-source firmware	Yes	Yes
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
UART interfaces	1	21 higher
I2C interfaces	1	1
SPI interfaces	1	1
GPIO	14	2410 higher
Communication interfacesUse-dependent	UART;I2C;SPI;USB	USB;TTL;UART;I2C;SPI;GPIO;DYNAMIXEL
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	RA4M1	SAMD21

AArduinoArduino UNO R4 Minima

BROBOTISROBOTIS OpenRB-150

Electrical2

Minimum input voltageUse-dependent

Part A6 V

Part B3.7 V

Maximum input voltageUse-dependent

Part A24 V

Part B12.6 V

Control & communication18

Board kind

Part AMain controller

Part BMain controller

Board architectureUse-dependent

Part AMicrocontroller board

Part Bmicrocontroller

Primary applicationUse-dependent

Part Aeducation;robotics;embedded_control

Part BDYNAMIXEL;robot_control

Processor vendorUse-dependent

Part ARenesas

Part BMicrochip

ProcessorUse-dependent

Part ARA4M1

Part BSAMD21

Processor architectureUse-dependent

Part AARM Cortex-M4

Part BARM Cortex-M0+

Processor clock

Part A48 MHz

Part B48 MHz

Open-source hardware

Part AYes

Part BYes

Open-source firmware

Part AYes

Part BYes

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

UART interfaces

Part A1

Part B21 higher

I2C interfaces

Part A1

Part B1

SPI interfaces

Part A1

Part B1

GPIO

Part A14

Part B2410 higher

Communication interfacesUse-dependent

Part AUART;I2C;SPI;USB

Part BUSB;TTL;UART;I2C;SPI;GPIO;DYNAMIXEL

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ARA4M1

Part BSAMD21

Product sources

Product sources used by this comparison

Arduino UNO R4 MinimaOpen source ↗

ROBOTIS OpenRB-150Open source ↗