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 (Metal Gear) for Arduino Projects, RC Robot, Robot Arm, Helicopter, Airplane, Car and Boat Control, Mini Servo Applications

Product ID: 98268803

Details

Brand
Smraza
Item Weight
0.16 Kilograms
Manufacturer
Smraza
Number of Items
10
Unit Count
10 Count

🔋Wide 4.8V-6.0V Operating Voltage

⏱️Ultra-Fast 0.08s/60° Response

⚙️Metal Gear Upgrade for Durability

€ 46.79

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Elevate Your DIY Game with Metal-Powered Precision!

LIGHTNING FAST PRECISION - Achieve ultra-responsive control with a blazing 0.08-second 60° rotation speed, perfect for dynamic robotics and RC models.
BUILT TO LAST WITH METAL GEARS - Say goodbye to plastic gear failures—engineered for rugged, heat-resistant performance in your most ambitious projects.
POWERFUL TORQUE FOR MICRO CONTROL - Delivering 1.9 kg/cm stall torque ensures your robot arms and RC vehicles move with confident strength.
VERSATILE FOR EVERY CREATIVE BUILD - From helicopters to boats, this 10-pack kit fuels your innovation across all micro servo applications.
PLUG PLAY WITH ARDUINO RASPBERRY PI - Seamlessly integrate with popular DIY platforms using a simple 3-pin PWM interface and included servo arms.

The Smraza 10 Pcs SG90 9G Micro Servo Motor Kit features upgraded metal gears for enhanced durability, a rapid 0.08s/60° rotation speed, and 1.9 kg/cm stall torque. Compatible with Arduino and Raspberry Pi, it supports a wide 4.8V-6.0V operating voltage and a full 180° range, making it ideal for precise control in RC vehicles, robotic arms, and micro-robotics projects.

Specifications

ASIN	B07L2SF3R4
Best Sellers Rank	#39,897 in Toys & Games ( See Top 100 in Toys & Games ) #25 in RC Servos
Brand Name	Smraza
Customer Reviews	4.5 4.5 out of 5 stars (1,301)
Item Weight	0.16 Kilograms
Manufacturer	Smraza
Part Number	S51-4-U-F
Unit Count	10 Count

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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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