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Questions tagged [vibration]

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11 questions with no upvoted or accepted answers
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Connect a vibration motor to a headphone jack

I would like to solve the following problem: I have a a variometer-device for an RC plane. Its receiver has a standard 3.5 mm headphone jack that provides a beeping sounds to my headphones. I would ...
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0answers
97 views

PCB hanging upside down in its enclosure

Would this be a problem in a moderately high vibrations / shocks environment (passenger car interior) ? The screws are 1.8 mm thread diameter, 5 mm long, the PCB being some 90 x 60 mm with nothing ...
1
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0answers
71 views

Loud sound and crystal clock,how big problem it is?

I want to use piezo crystal clock in place where loud sounds exist,I worry that it might decrease the performance of the clock,create spurious tones for example. The db level at the clock will be ...
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0answers
47 views

Rewiring of a vibration sensor

Can I pass the signal of a (iepe) vibration sensor over a shielded twisted pair instead of the recommended coax cable? The signal also needs to travel over 30-meter cable.
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0answers
33 views

Placing piezo disk in vibration sensor

I am designing a vibration sensor in enclosure to be placed on vertical surfaces, like windows, doors, etc. My first try was with ready made sw420 module, but looks like it is to sensitive for my ...
0
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0answers
27 views

What style of semi-permanent power connector for vibrating environment?

With the only constraint being that the connection is "easily" removable (e.g. not soldered, but common tools are fine), what style of power connectors work best for vibrating environments? ...
0
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2answers
106 views

A sensor which can measure the vibration of a material

I am planning on making a musical instrument where I require the conversion of vibration of a material to voltage. The idea is to make a percussion instrument where I hit a plate made of a certain ...
0
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1answer
281 views

Vibration sensor switch for Car

I am building a small GPS tracker for my car using a Raspberry PI Zero plus some additional components. I would like to keep it off unless the car is turned on or it's moved forcefully. To do that I ...
0
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2answers
123 views

vibration sensing circuit doing so great

I have attempted this diagram from here: with one modification - instead of the 4093 circuit ( comparator+inverter+hysteresis gates) I have used a HC14 (inverter+hysteresis gates). Can this be why i ...
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0answers
173 views

Piezo element lifespan in vibration environment

Can anybody guess or does anyone know what lifespan can be expected of this piezoelectric sensor - https://www.sparkfun.com/products/10293 - with a weight glued to it and used inside a passenger ...
0
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1answer
100 views

How to use VBT-1 vibration sensor? Why the measurement unit is in mm/s?

I need to use this vibration sensor for my project. I'm confused because of the measurement units. Out value of the sensor is in current 0-20mA, which corresponds to 0-25 mm/sec. Why is it being ...