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

Product ID: 131952026

Details

Brand
Smraza
Item weight
0.16 Kilograms
Manufacturer
Smraza
Material
Plastic
Number of items
10

⚡0.08 sec/60° speed

🌀120° max rotation angle

💪17.5 oz/in stall torque

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Description

🤖 Elevate your DIY game with micro servos that move as fast as your ideas!

BULK KIT ADVANTAGE - Get 10 micro servos in one pack—ideal for scaling your robotic creations or multi-device setups.
WIDE ANGLE MASTERY - Unlock dynamic movement with a generous 120° maximum rotation for versatile robotics.
POWER PACKED TORQUE - Deliver strong, reliable force with 17.5 oz/in stall torque, perfect for complex RC projects.
LIGHTNING FAST PRECISION - Achieve ultra-responsive control with a blazing 0.08 sec/60° rotation speed at 6V.
PLUG PLAY COMPATIBILITY - Seamlessly integrates with Arduino, Raspberry Pi, JR & FUTABA interfaces for effortless DIY innovation.

The Smraza 10 Pcs SG90 9G Micro Servo Motor Kit offers high-speed, precise 120° rotation and strong 17.5 oz/in torque, compatible with popular RC and DIY platforms like Arduino and Raspberry Pi. Perfect for robotics, RC vehicles, and creative electronics projects, this bulk pack ensures you have the power and flexibility to build next-level innovations.

Specifications

ASIN	B07L2SF3R4
Brand	Smraza
Customer Reviews	4.5 4.5 out of 5 stars (1,055)
Item Weight	0.16 Kilograms
Manufacturer	Smraza
Manufacturer Part Number	S51-4-U-F
Material	Plastic
Number of Items	10
Unit Count	10.0 count

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B/.104

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered 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 Panama.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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