Building Force Sensors to Understanding and Creating Your Own

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SUMMARY

This discussion centers on building force sensors, specifically for measuring the force of water during swimming. Two primary methods are highlighted: using load cells and strain gauges to measure strain in structures. The user expresses a desire to create a custom sensor due to the time-dependent nature of their project and the uncertainty regarding the magnitude of force involved. Recommendations for resources or books on building and understanding force sensors are sought to aid in the project.

PREREQUISITES
  • Understanding of load cells and their applications
  • Knowledge of strain gauges and their measurement principles
  • Familiarity with time-dependent force measurement techniques
  • Basic concepts of sensor design and construction
NEXT STEPS
  • Research "Load Cell Basics and Applications" for foundational knowledge
  • Explore "Strain Gauge Measurement Techniques" to understand their implementation
  • Investigate "DIY Force Sensor Projects" for practical guidance
  • Study "Signal Conditioning for Sensors" to learn about processing sensor outputs
USEFUL FOR

This discussion is beneficial for engineers, hobbyists, and students interested in sensor technology, particularly those focused on custom sensor design for measuring dynamic forces in aquatic environments.

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I have to do a project involving force sensors. I was wondering if anyone knew if there is any good books on how to build them or a book that explains how they work so I can build my own.
 
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You probabably don't want to consider building your own sensor, unless you want to measure something rather exotic and building the sensor is a significant part of the project.

You don't say anything about the magnitude of force you want to measure, or if it is time dependent (and if so, what is the frequency range you are interested in).

Two standard methods are to use a load cell, or use strain gauges to measure the strain in a part of the structure that transmits the force (e.g. in a rod pushing on something).
 
The project is time dependent and it involves the force of water during swimming. So my idea is that I want to find a way to build my own sensor so if I would have to rebuild the multiple sensor I can.

For the magnitude of the force is what I want to test. I have no idea how much force is being used.
 

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