Part comparison

Pololu Dual G2 High-Power Motor Driver 18v18 Shield for Arduino vs SparkFun PD Stepper - NEMA 17 Stepper Driver and Controller

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

12 shared specs1 scored

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

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SparkFunSparkFun PD Stepper - NEMA 17 Stepper Driver and ControllerROB-30118

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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

12 specifications compared side by side.

Pololu Dual G2 High-Power Motor Driver 18v18 Shield for Arduino / SparkFun PD Stepper - NEMA 17 Stepper Driver and Controller
Compare bySpecification	APololuPololu Dual G2 High-Power Motor Driver 18v18 Shield for Arduino	BSparkFunSparkFun PD Stepper - NEMA 17 Stepper Driver and Controller
Electrical3
Minimum input voltageUse-dependent	6.5 V	5 V
Maximum input voltageUse-dependent	30 V	20 V
Logic voltageUse-dependent	5 V	3.3 V
Control & communication9
Board kind	Motor driver	Motor driver
Board architecture	Standalone board	Standalone board
Primary applicationUse-dependent	motor_driver;brushed_dc;arduino_shield;robotics	motor_driver;stepper;closed_loop;usb_pd;robotics
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
ConnectorsUse-dependent	Arduino shield; 6.5-30V motor supply; logic 1.8-5.5V	USB-C PD selectable 5/9/12/15/20V; onboard 3.3V buck
Control modesUse-dependent	pwm;direction	Step dir
Motor driveUse-dependent	Brushed DC	stepper
Motor channels	21 higher	1

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

BSparkFunSparkFun PD Stepper - NEMA 17 Stepper Driver and Controller

Electrical3

Minimum input voltageUse-dependent

Part A6.5 V

Part B5 V

Maximum input voltageUse-dependent

Part A30 V

Part B20 V

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication9

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;stepper;closed_loop;usb_pd;robotics

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

ConnectorsUse-dependent

Part AArduino shield; 6.5-30V motor supply; logic 1.8-5.5V

Part BUSB-C PD selectable 5/9/12/15/20V; onboard 3.3V buck

Control modesUse-dependent

Part Apwm;direction

Part BStep dir

Motor driveUse-dependent

Part ABrushed DC

Part Bstepper

Motor channels

Part A21 higher

Part B1

Product sources

Product sources used by this comparison

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

SparkFun PD Stepper - NEMA 17 Stepper Driver and ControllerOpen source ↗