Part comparison

Arduino Mega 2560 Rev3 vs ROBOTIS OpenCR1.0

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

22 shared specs6 scored

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ArduinoArduino Mega 2560 Rev3A000067

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ROBOTISROBOTIS OpenCR1.0OpenCR1.0

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Directional spec summary

Counts across 6 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

22 specifications compared side by side.

Arduino Mega 2560 Rev3 / ROBOTIS OpenCR1.0
Compare bySpecification	AArduinoArduino Mega 2560 Rev3	BROBOTISROBOTIS OpenCR1.0
Electrical3
Minimum input voltageUse-dependent	6 V	5 V
Maximum input voltageUse-dependent	20 V	24 V
Logic voltageUse-dependent	5 V	3.3 V
Control & communication19
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	microcontroller
Primary applicationUse-dependent	education;robotics;motion_control	dynamixel;ROS;robot_control
Processor vendorUse-dependent	Microchip	STMicroelectronics
ProcessorUse-dependent	ATmega2560	STM32F746ZGT6
Processor architectureUse-dependent	AVR 8-bit	ARM Cortex-M7
Processor clock	16 MHz	216 MHz200 MHz higher
Open-source hardware	Yes	Yes
Open-source firmware	Yes	Yes
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
UART interfaces	42 higher	2
I2C interfaces	1	1
SPI interfaces	1	1
USB interfaces	1	1
GPIO	5436 higher	18
Communication interfacesUse-dependent	UART;I2C;SPI;USB	USB;TTL;RS485;UART;CAN;I2C;SPI;GPIO;DYNAMIXEL
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ATmega2560	STM32F746ZGT6

AArduinoArduino Mega 2560 Rev3

BROBOTISROBOTIS OpenCR1.0

Electrical3

Minimum input voltageUse-dependent

Part A6 V

Part B5 V

Maximum input voltageUse-dependent

Part A20 V

Part B24 V

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication19

Board kind

Part AMain controller

Part BMain controller

Board architectureUse-dependent

Part AMicrocontroller board

Part Bmicrocontroller

Primary applicationUse-dependent

Part Aeducation;robotics;motion_control

Part Bdynamixel;ROS;robot_control

Processor vendorUse-dependent

Part AMicrochip

Part BSTMicroelectronics

ProcessorUse-dependent

Part AATmega2560

Part BSTM32F746ZGT6

Processor architectureUse-dependent

Part AAVR 8-bit

Part BARM Cortex-M7

Processor clock

Part A16 MHz

Part B216 MHz200 MHz higher

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 A42 higher

Part B2

I2C interfaces

Part A1

Part B1

SPI interfaces

Part A1

Part B1

USB interfaces

Part A1

Part B1

GPIO

Part A5436 higher

Part B18

Communication interfacesUse-dependent

Part AUART;I2C;SPI;USB

Part BUSB;TTL;RS485;UART;CAN;I2C;SPI;GPIO;DYNAMIXEL

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AATmega2560

Part BSTM32F746ZGT6

Product sources

Product sources used by this comparison

Arduino Mega 2560 Rev3Open source ↗

ROBOTIS OpenCR1.0Open source ↗