force sensitive resistor fsr

Force sensitive resistors (FSRs) are interesting electronic components that are able to sense compression of the sensor and determine pressure or weight. These can be found in a large variety of electronic devices. Touch screens and interactive devices would not be ready for prime time without them. We’ll find out more about how FSRs operate, in what environments they are found and why they are crucial in electronic design, including power saving measures or interactive devices, and the advantages that they bring to the field of robotics and automation.

FSRs operate by changing their resistance in response to force or pressure. They are constructed from a material that conducts electricity and are attached to two metallic parts. The FSR's resistance decreases as more pressure is applied. But when you push on it, material on the interior of the object gets squeezed, reducing the resistance. We can measure this change to determine pressure or weight on the FSR.

Applications of force sensitive resistors in technology

FSRs are used in a wide variety of technological domains. Touch screens typically use them to check for when and where an object touches the screen. They are also employed in pressure sensors, medical instruments, and musical instruments. FSRs can be integrated in interactive floors and walls which react when you walk or touch them.

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