Has anyone found gears that fit the shaft? The ones shown in "frequntly bought together" are for smaller round shafts.

for anyone looking for this, 5mm shaft, its "flat" part fits a rectangle 3mmx5mm.

Could i use the driver to control a slightly bigger pm55l-048? i would probably need to push 19v through the uln2003.

Yes, you can use the driver to control pm55l-048, the maxmum voltage of ULN2003 can reach 24V.

what is it supposed to do?

It, or they, do nothing - - until you connect a smart source of drive signals. The included "driver boards" are electrical signal drivers to boost the strength of those signals. You might connect these boards between the motors and an Arduino or a Raspberry Pi or some manual speed control circuits for the stepper motors. The signals have to be the rippling sequence of logic pulses needed by the stepper motors. Because these motors have 64:1 gears, you program 64 sequences to get the shaft to go one full turn. Naturally, the gears trade off speed (RPM) for strength (torque) of turning. They also gain precision of output shaft position, which can be moved in STEPS, or fractions, of 1 sixty-fourth of a turn. If your only interest is in speed control, not positioning, you may want to look into DC motors (or gearmotors) and 'H-bridge drivers' and PWM (Pulse Width Modulation) controls.

Do you have instructions on how to set it up/test it with arduino? (newbe)

Google: "arduino 28BYJ-48 sample code" You will get plenty of examples to get you started. Good luck.

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5 Sets 28BYJ-48 ULN2003 5V Stepper Motor + ULN2003 Driver Board for Arduino

Product ID: 255873310

Details

Brand
ELEGOO
Colour
berry
Connectivity technology
USB
Graphics card description
Integrated
Graphics co-processor
Integrated
Included components
Stepper Motor

💡4-phase LED status indicators

🔌ULN2003 driver board plug & play

⚙️5V precision stepper motor

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€ 57.73

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Description

⚙️ Elevate your Arduino game with precision and style!

VISUAL FEEDBACK - Built-in 4-phase LED indicators keep you informed on motor status in real-time.
COMPACT POWERHOUSE - Compact 1.06-inch diameter motor fits perfectly in tight DIY projects.
COMPLETE 5 SET KIT - Five motors + drivers with cables, plus a bonus gift—ready to power multiple prototypes.
PLUG PLAY SIMPLICITY - Directly pluggable ULN2003 driver for hassle-free Arduino integration.
TRUSTED ELEGOO QUALITY - Highly rated with 4.6 stars from 792 users, perfect for learning and professional design.

The ELEGOO 5 Sets 28BYJ-48 ULN2003 5V Stepper Motor kit includes five compact, 4-phase stepper motors paired with ULN2003 driver boards, designed for seamless Arduino integration. Featuring plug-and-play connectivity, LED status indicators, and a complete accessory set, this kit is ideal for both beginners and professionals looking to prototype precise motion control projects.

Specifications

ASIN	B01CP18J4A
Aspect Ratio	16:9
Brand	ELEGOO
Built-In Media	Stepper Motor, Driver Board, Female to Male Cable
CPU Model Number	EL-SM-003
Color	berry
Connectivity Technology	USB
Customer Reviews	4.6 out of 5 stars 792 Reviews
Global Trade Identification Number	06976021760015
Graphics Card Interface	PCI Express
Graphics Coprocessor	Integrated Graphics
Graphics Description	Integrated
Graphics card description	Integrated
Graphics co-processor	Integrated Graphics
Hardware Interface	USB 2.0
Human-Interface Input	Buttons
Included components	Stepper Motor, Driver Board, Female to Male Cable
Item Dimensions	10 x 20 x 37 centimeters
Item Weight	0.21 Kilograms
Manufacturer	ELEGOO
Model Name	EL-SM-003
Model Number	EL-SM-003
Model name	EL-SM-003
Number of Component Outputs	1
Processor Count	1
RAM Type	DDR4 SDRAM
Ram Memory Maximum Size	1 GB
Screen Size	2 Inches
Screen size	2 Inches
Total Usb Ports	4
UPC	746591610357

Reviews

S**.

Ottimo prodotto

Prodotto come da foto , perfettamente funzionante

5.11.2025

J**M

Bueno, bonito y barato

Todos los motores y controladores funcionan bien. Motores básicos con engranajes de plástico y sin mucho par, pero perfectos para aprender y diseñar. Además viene todo dentro de una caja de plástico ideal para almacenarlos y guardarlos. Lo recomiendo.

19.03.2022

J**.

Good stepper motors & drivers for price. Great for beginners or experienced electronic enthusiasts

26.11.2016

G**N

Great, cheap motors with lots of torque

30.06.2016

M**R

ottimo

ottimo prezzo e buona qualità per i robot che crea mia figlia

13.10.2025

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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€ 57.73

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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