One such material is a force sensing resistors which changes when pressure is applied. You can measure things, like how hard you're pressing when you push or pull on this material. Isn’t that amazing? All we need is to press it magically and it will tell us how much exponent we use!
This special material is a piezoresistive material. When you apply pressure, that can change the amount of electricity that can flow through it. The change in energy informs us of the amount of force being applied. So, the next time you apply pressure on something, keep in mind that it could very well be measuring your touch with a force sensing resistor!
In touch screens, these resistors can measure how hard you are touching the screen. It allows us to use special functions like 3D Touch, which gives us the choice to do various things based on how much pressure we apply. For example, you might see one menu when you press lightly and another when you press harder. Isn’t that cool?
About force sensing resistors in musical instruments, they help in determining the amount of pressure you apply on the keys or the strings. As a result, the music can sound better and more expressive when you play. You can play a soft moderate note, you can play a strong note, and the instrument will respond to how well you are playing.
These resistors can be produced in a wide variety of shapes and sizes to meet different needs. These are constructed from durable materials that can endure increased strain and have a long useful life. This allows them to be very handy in many products we use daily.
One cool application is to create artificial skin for robots. This unique skin can sense pressure and touch, allowing robots to operate more human-like. Like a robot that can shake your hand and sense exactly how hard you are squeezing! Using this type of technology, robots can now form relationships with people more naturally.
For instance, in the medical field, these resistors are used to create prosthetic limbs that can respond to the user’s thoughts and movements. Advancements in this technology are enabling amputee patients to have a better quality of life. It affords them greater independence and enables them to engage in activities they love once more.
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