I try to find an sensor distance for any kind of surface , distance 10cm and accuracy 0.1mm .If is possible with an small display.
any sugestion is welcome
thank you
That would not be a problem, the real trick is finding an appropriate sensor. I do not know of any but others here might.
Laser distance sensors are available with that accuracy and precision, and much higher. But they tend to be expensive. Use the search phrase "high precision laser distance sensor".
High precision is not necessarily meaningful for rough surfaces.
to be honest all I found there +/- 2mm to a decent price in uk 20 to 30 pound, For the moment I bougth one to see if can help me .
I want to use it to measure distance from laser to surface
adafruit have one +/- 1mm but must complete that with an display and arduino
I need something compact and small with display but ... you'r right , there over 300 pound
As a rough "rule of thumb", sensor price goes up by a factor of ten, for each factor of ten improvement in manufacturer-guaranteed precision and accuracy.
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