Part comparison

CubeMars / T-Motor RO100 robotic actuator vs mjbots qdd100 beta 3

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

13 shared specs2 scored

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No imageCubeMars / T-MotorCubeMars / T-Motor RO100 robotic actuatorRO100

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mjbotsmjbots qdd100 beta 3qdd100 beta 3

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Directional spec summary

Counts across 2 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

12 specifications compared side by side.

CubeMars / T-Motor RO100 robotic actuator / mjbots qdd100 beta 3
Compare bySpecification	ACubeMars / T-MotorCubeMars / T-Motor RO100 robotic actuator	Bmjbotsmjbots qdd100 beta 3
Performance2
Rated torque	4 Nm	10 Nm6 Nm higher
Peak torque	12 Nm	16 Nm4 Nm higher
Electrical1
Nominal voltageUse-dependent	48 V	24 V
Mechanical & integration7
Motor kind	QDD actuator	QDD actuator
Drive principle	BLDC/PMSM	BLDC/PMSM
Architecture	Integrated motor reducer driver	Integrated motor reducer driver
Gear typeUse-dependent	direct	Direct or low ratio
QDD	Yes	Yes
Backdrivable	Yes	Yes
Integrated driver	Yes	Yes
Control & communication2
Communication interfaces	CAN	CAN
Control modesUse-dependent	MIT;servo	position;velocity;torque

ACubeMars / T-MotorCubeMars / T-Motor RO100 robotic actuator

Bmjbotsmjbots qdd100 beta 3

Performance2

Rated torque

Part A4 Nm

Part B10 Nm6 Nm higher

Peak torque

Part A12 Nm

Part B16 Nm4 Nm higher

Electrical1

Nominal voltageUse-dependent

Part A48 V

Part B24 V

Mechanical & integration7

Motor kind

Part AQDD actuator

Part BQDD actuator

Drive principle

Part ABLDC/PMSM

Part BBLDC/PMSM

Architecture

Part AIntegrated motor reducer driver

Part BIntegrated motor reducer driver

Gear typeUse-dependent

Part Adirect

Part BDirect or low ratio

QDD

Part AYes

Part BYes

Backdrivable

Part AYes

Part BYes

Integrated driver

Part AYes

Part BYes

Control & communication2

Communication interfaces

Part ACAN

Part BCAN

Control modesUse-dependent

Part AMIT;servo

Part Bposition;velocity;torque

Product sources

Product sources used by this comparison

CubeMars / T-Motor RO100 robotic actuatorOpen source ↗

mjbots qdd100 beta 3Open source ↗