What are the names of these screws?

Hi. The longer two screws are PA2*8(2×8mm). The another is KM2*4(2×4mm). Hope it helps you.

How would the motor respond to a 5V pulse from a momentary push button?

Hi. Servo provides 500~2500 usec pulse signal under 5V voltage. The servo will directly rotate to the angle corresponding to the pulse value. Hope you have a good experience with our products.

Has anyone used these for model train N scale Peco switches?

Hello. There is no prescribed use equipment, and multiple assemblies and combinations can be cited. But need to meet the required voltage conditions. When you are using the servo, the voltage needs to reach 4.8-6V, connect the signal to the servo.

Do these have wires to connect to a battery pack?

To go to a battery pack, 5V or 4.5V, you may cut off the red wire from the 3-pin female connector and go to the plus of the battery. The orange or yellow wire must go to a PWM signal, usually from an Arduino using analogWrite. Black or brown wire goes to Arduino ground AND battery negative.

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Smraza 10 Pcs SG90 9G Micro Servo Motor Kit for RC Robot Arm/Hand/Walking Helicopter Airplane Car Boat Control with Cable, Mini Servos for Arduino Project

Smraza 10 Pcs SG90 9G Micro Servo Motor Kit for RC Robot Arm/Hand/Walking Helicopter Airplane Car Boat Control with Cable, Mini Servos for Arduino Project

Product ID: 131952026

Details

Brand
Smraza
Material
Plastic
Item weight
0.16 Kilograms
Manufacturer
Smraza

⚡0.08 sec/60° ultra-fast response

🔄120° max rotation angle

🔧17.5 oz/in stall torque power

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Description

🤖 Elevate your DIY game with micro servo power that moves as fast as your ideas!

COMPACT YET MIGHTY - Mini 9g size fits perfectly in drones, RC cars, boats, and robotic projects.
PLUG PLAY CONVENIENCE - Includes cables for quick setup—get your project moving without delay.
PRECISION IN EVERY MOVE - Experience lightning-fast 0.08 sec/60° speed for seamless RC control.
VERSATILE COMPATIBILITY - Works flawlessly with Arduino, Raspberry Pi, JR & FUTABA interfaces for DIY innovation.
POWER THAT PACKS A PUNCH - Robust 17.5 oz/in torque ensures your robot arm or drone performs with strength.

The Smraza 10 Pcs SG90 9G Micro Servo Motor Kit offers ultra-fast 0.08 sec/60° rotation speed, 17.5 oz/in stall torque, and 120° maximum angle, making it ideal for precise control in RC helicopters, robots, and DIY electronics projects. Compatible with Arduino, Raspberry Pi, and popular RC interfaces, this compact and lightweight kit empowers creators to build responsive, powerful robotic systems with ease.

Specifications

Asin	B07L2SF3R4
Brand	Smraza
Customer Reviews	4.6 4.6 out of 5 stars (1,054) 4.6 out of 5 stars
Item Weight	0.16 Kilograms
Manufacturer	Smraza
Manufacturer Part Number	S51-4-U-F
Material	Plastic
Unit Count	10.0 count

Reviews

User

كلهم شغالين

بس لما وصلوني كانو مدهونين بزيت خروع مدري ليش

28.09.2024

User

Good for what it is!

Works fine!

20.03.2024

User

servos

VERY HAPPY WITH MY PURCHASE

9.05.2025

User

Nice tiny servos

This is a nice set of these small servos that work well for my proof of concept project. They aren't super powerful, but not advertised as such, but they'll do the job for a project you might be planning that needs many multiple servos to work. I hooked one up to a servo controller and it worked well and was very quiet. 180 degrees of movement which will work fine for my project ahead. If you need a bunch of little plastic geared servos, this is a great assortment that will give you 10 of them. I'm very satisfied with the purchase. Just as advertised.

5.10.2024

User

Decent servo however gears are not metal as advertised!

Good value for the money. Servos work as they should and include plenty of attachments. Perfect for controlling turnouts on my model railroad. Only complaint is that they are advertised as having metal gears when clearly the gears are plastic.

6.04.2026

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€ 62.58

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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2 weeks ago

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