Ive seen these on sites like instructables, but for my project I want to make a 3 ft long flex sensor. would it be possible to pinpoint where the flex is occurring using an Arduino MCU, and having LEDs in outputs display where the flex occurs?
Instructables is down so no idea of what you plan to use for a sensor but generally 1 sensor of that type has 1 reading for the whole sensor, so maybe you want many sensors arranged along a length?
its basically just a long conductive material. But if I were to have a bunch of flex sensors, wouldnt they need to be a certain length in order to detect changes in flexibility? I was thinking about having up to 8 flex "joints" within a 2 ft span. Is this possible? while being accurate and still pertaining to my previous question of the LEDs
thanks
I know that conductors will have different resistance under different strain, and that you can sandwich some materials to get the same effect but stronger and that piezo material will polarize under strain but that's about it for me. It's also likely that you could make a bend sensor that would change the insulated distance between conductors and therefore the capacitance, then send a charge into that (making an R-C circuit) and time how long it takes to bleed on a digital pin....
All those return 1 measure. But at least some can work over short distance, could be made into 8 pieces. It might be worth it to have some sensors overlap coverage.