what is the a minimum force threshold be configured? For example, can it be set to identify detect a 25 kN of force of higher?

ANSWER IS NO!. 12 kn of force, would not work with a piezoelectric element. This control is for small vibrations like knocking on door or awning that wind swings in the breeze.

How sensitive is this sensor? For example, if I put this inside a model railroad freight car - would it be able to sense if the car is moving or not?

Absolutely, Sub-G reading capable...will detect rail car motion via vibration. Problem you’ll have to surmount is they are so sensitive, discriminators in the code will be required to remove the noise of the car standing still, as well as other vibrations from near by things. Good luck

Does this produce some square wave matching the vibration, or does the output just remain on for a period of time once it detects a vibration?

Yes. You may use counter to determine number of vibrations by logging pulses.

Hiletgo 5pcs Sw 420 Vibration Sensor Module Vibration Switch Alarm

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Description

⚡ Feel the pulse of innovation with every vibration!

VALUE PACKED 5 PACK - Get five high-quality modules to power multiple prototypes or projects
COMPACT MOUNT READY - Small 3.2cm x 1.4cm PCB with bolt holes for effortless installation
ROBUST SIGNAL STABILITY - LM393 comparator ensures clean, noise-free switching signals
WIDE VOLTAGE COMPATIBILITY - Operates seamlessly between 3.3V and 5V for versatile Arduino projects
PRECISION VIBRATION DETECTION - Detects even subtle taps with ultra-responsive digital output

The Hiletgo 5pcs SW-420 Vibration Sensor Module offers professional-grade vibration detection with a digital switching output, operating efficiently across a 3.3V to 5V range. Featuring a wide voltage LM393 comparator for clean signal output and adjustable sensitivity, these compact modules are perfect for Arduino enthusiasts and developers seeking reliable, easy-to-install vibration sensing solutions.

Reviews

A**R

Extremely sensitive, which I like

10.06.2023

R**H

Good devices

16.10.2019

B**E

Senses vibration, out puts a digital signal

29.01.2022

J**.

Very good sensor

12.09.2019

R**T

Gets Stuck in a high state

20.08.2022

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