Part comparison

Pololu Dual G2 High-Power Motor Driver 18v18 Shield for Arduino vs Pololu G2 High-Power Motor Driver 24v21

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

13 shared specs2 scored

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PololuPololu Dual G2 High-Power Motor Driver 18v18 Shield for Arduino2515

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PololuPololu G2 High-Power Motor Driver 24v212995

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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

13 specifications compared side by side.

Pololu Dual G2 High-Power Motor Driver 18v18 Shield for Arduino / Pololu G2 High-Power Motor Driver 24v21
Compare bySpecification	APololuPololu Dual G2 High-Power Motor Driver 18v18 Shield for Arduino	BPololuPololu G2 High-Power Motor Driver 24v21
Electrical3
Minimum input voltage	6.5 V	6.5 V
Maximum input voltageUse-dependent	30 V	40 V
Continuous output current / channel	18 A	21 A3 A higher
Control & communication10
Board kind	Motor driver	Motor driver
Board architecture	Standalone board	Standalone board
Primary applicationUse-dependent	motor_driver;brushed_dc;arduino_shield;robotics	motor_driver;brushed_dc;high_power;robotics
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
Control modes	pwm;direction	pwm;direction
Safety featuresUse-dependent	Reverse voltage protection	reverse_polarity;current_limiting
Motor drive	Brushed DC	Brushed DC
Motor channels	21 higher	1
ProtectionsUse-dependent	Reverse voltage protection	reverse_polarity;current_limiting

APololuPololu Dual G2 High-Power Motor Driver 18v18 Shield for Arduino

BPololuPololu G2 High-Power Motor Driver 24v21

Electrical3

Minimum input voltage

Part A6.5 V

Part B6.5 V

Maximum input voltageUse-dependent

Part A30 V

Part B40 V

Continuous output current / channel

Part A18 A

Part B21 A3 A higher

Control & communication10

Board kind

Part AMotor driver

Part BMotor driver

Board architecture

Part AStandalone board

Part BStandalone board

Primary applicationUse-dependent

Part Amotor_driver;brushed_dc;arduino_shield;robotics

Part Bmotor_driver;brushed_dc;high_power;robotics

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

Control modes

Part Apwm;direction

Part Bpwm;direction

Safety featuresUse-dependent

Part AReverse voltage protection

Part Breverse_polarity;current_limiting

Motor drive

Part ABrushed DC

Part BBrushed DC

Motor channels

Part A21 higher

Part B1

ProtectionsUse-dependent

Part AReverse voltage protection

Part Breverse_polarity;current_limiting

Product sources

Product sources used by this comparison

Pololu Dual G2 High-Power Motor Driver 18v18 Shield for ArduinoOpen source ↗

Pololu G2 High-Power Motor Driver 24v21Open source ↗