Hello.
I have a friend who competes in motorcycles (on circuits) and who would like to measure the elongation and compression of the front fork of his motorcycle in real time. I can't find a suitable sensor. I tried to find a sensor that could measure a length (with a laser measure ?) but I didnot succeed.
Maybe it is possible with a linear potentiometer!!
https://br.mouser.com/datasheet/2/54/3046-776396.pdf
Or also this product!!
https://br.mouser.com/datasheet/2/381/ThinPot_SoftPot_Series_Datasheet_v2019a-3304130.pdf
Search WEB for "Potentiometric Rulers" argument.
Or even with a coil moving an iron core inside it!!
"By inserting an iron core in a coil carrying current, the strength of its magnetic field will: IncreaseDecreaseRemain SameBecome Zero
A VL53L0X time of flight sensor would be worth a try. How fast do you need to measure?
It's a good option, but optical sensors in this location, (fork of his motorcycle), can be impacted by dust contamination.
Yeah, I was thinking that, but I don't know how sensitive they are. I know of one that was used in an outdoor sports application and it was successful during testing, but no idea of the long-term behavior.
Maybe it is possible to use a gas pressure sensor and deduce the elongation as a function of the pressure?
How about an LVDT?
https://www.allaboutcircuits.com/technical-articles/introduction-to-linear-variable-differential-transformer-lvdt/
https://en.wikipedia.org/wiki/Linear_variable_differential_transformer
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