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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🤖 Micro Power, Mega Impact: Elevate Your DIY Robotics Game!

BUILT TO LAST - Engineered for endurance with over 320,000 rotations, so your projects keep moving without missing a beat.
POWER PACKED TORQUE - Deliver robust force with 2.2 kg·cm stall torque, ensuring your robot arms and RC vehicles perform with confidence.
FULL SPECTRUM MOVEMENT - Unlock smooth, versatile motion with a wide 180° operating angle, perfect for complex RC and robotic projects.
LIGHTNING FAST PRECISION - Achieve ultra-responsive control with a blazing 0.08 sec/60° rotation speed at 6V—because every millisecond counts.
PLUG PLAY COMPATIBILITY - Seamlessly integrates with Arduino, Raspberry Pi, JR & FUTABA interfaces—ideal for DIY pros and makers.

The Smraza 10 Pcs SG90 9G Micro Servo Motor Kit offers high-speed, precise 180° rotation with a strong 2.2 kg·cm stall torque, compatible with Arduino and Raspberry Pi. Designed for RC toys and robotics, these durable analog servo motors deliver reliable performance and seamless integration for professional-grade DIY projects.

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Assembly Required	No
Batteries Required	No
Batteries Included	No
Material Type(s)	Plastic
Radio Control Number of Bands	4
Colour	Sg90
Product Dimensions	2.49 x 4.06 x 0.25 cm; 159 g
Item part number	S51-4-U-F
Manufacturer recommended age	0 - 4 years
Manufacturer	Smraza
Item Weight	159 g

Smraza 10 Pcs SG90 9G Micro Servo Motor Kit for RC Robot Arm Helicopter Airplane Car Boat Control, Arduino Project

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