A force sensing resistor is special resistor that resistance can be varied by varying by. Force sensing resistor family interlink electronics. Force sensing resistor fsr technology from interlink electronics is the most versatile force sensing technology on the market today. Thus, the fsr sensor can be tested using a multimeter. In the simplest layout configuration singlezone, an fsr is a twoterminal device that can essentially be treated as a variable resistor whose. This graph indicates approximately the resistance of the sensor at different force measurements.
Pdf pressure and force touch sensors are pervasive in electronic musical instruments. A led pressure display and a toggle switch circuit is covered. This forcesensing resistor fsr from interlink electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to. As force on the sensor is increased, this resistance is decreased. The product information contained in this document is.
Checking the datasheet will always illuminate any differences. How to measure force pressure with an fsr as weve said, the fsrs resistance changes as more pressure is applied. One of the first uses of our patented thin film force sensing resistor fsr technology was in electronic drums and other musical instruments. Zerone force sensitive resistor, 1pc df 940 high precise force. Detailed information about interlink electronics fsr 400 series of.
When there is no pressure, the sensor looks like an infinite resistor open circuit, as the pressure increases, the resistance goes down. Mobile phones, portable media players, navigation devices, handheld gaming, digital cameras, and other portable. In the current firmware, we have set the adc to work in freerunning mode. Two force sensing resistors fsr have been inserted between a sandal and a. Force sensing resistor and evaluation of technology for wearable body pressure sensing article pdf available in journal of sensors 20163. Force sensing resistor how it works and its applications.
Buy products related to force sensing resistor products and see what customers say about force sensing resistor products on free delivery possible on eligible purchases. We build an fsr based on resistive material velostat and printed. Overview fsrs are sensors that allow you to detect physical pressure, squeezing and weight. What is precluding force sensing resistors fsr to be the next best seller wearable. This forcesensing resistor fsr from interlink electronics is a passive. Force sensing resistors an overview of the technology force sensing resistors fsr are a. Efficient acquisition of force data in interactive shoe designs. Feel free to approach us by posting your comments, ideas, queries and.
Force sensing resistors, or fsrs, are robust polymer thick film ptf devices that exhibit a decrease in resistance with increase in force applied to the surface of the sensor. Zerone force sensitive resistor, 1pc df 940 high precise force sensing resistor thin. Force sensitive resistor df940 high accurate resistancetype. If force is applied to its surface, then the resistance starts decreasing. Force sensing resistor how it works and its applications elprocus. A manual wooden press has been built, and mounted onto a weighing scale. Force sensitive resistor df940 high accurate resistancetype thin film pressure. Connect the wires of fsr sensor to multimeter without applying any force on surface of the force sensing resistor the resistance will be very high. Pdf evaluation of commercial forcesensing resistors. Sensors, transducers force sensors are in stock at digikey.
Evaluation of flexible force sensors for pressure monitoring. The product information contained in this document is designed to provide general information and guidelines only and must not be. Please allow small size error due to manual measurement. Chiolerio, development of a flexible leadfree piezoelectric transducer for. Fsr 400 series round force sensing resistor description interlink electronics fsrtm 400 series is part of the single zone force sensing resistortm family. Pdf force sensing resistor and evaluation of technology. Integration guide force sensing resistor mouser electronics. Forcesensing resistors fsrs exhibit the unique characteristic of dynamic resistance. Force sensing resistors fsrs are resistive sensors exhibiting varying resistance that responds to force applied to the sensing area. The use of weights is prone to inaccuracies since it is a manual process. For the love of physics walter lewin may 16, 2011 duration.
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