What Is Force Sensitive Resistor

This is a force sensitive resistor with a square 175x15 sensing area. This is a photo of an fsr specifically the interlink 402 model.

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A force sensing resistor is a material whose resistance changes when a force pressure or mechanical stress is applied.

What is force sensitive resistor. Force sensitive resistors are also known as force sensing resistors fsr force sensor or pressure sensor. The force sensing resistor is generally supplied as a polymer sheet or ink which is applied as screen printing. Force sensing resistor or we call force sensor can be defined as a special type of resistor which exhibits a decrease in resistance with an increase in the force applied to the active sensing surface.

Fsrs are basically a resistor that changes its resistive value in ohms w depending on how much it is pressed. Diy force sensitive resistor fsr. Make a force sensitive resistor a pressure sensor with spare parts instead of spending 5 20 each.

What is force sensing resistor. The force sensing resistor is generally supplied as a polymer sheet or ink which is applied as screen printing. Overview fsrs are sensors that allow you to detect physical pressure squeezing and weight.

Both the electrically conducting and non conducting particles are present on this sensing film. A force sensitive resistor is a type of variable resistor whose resistance decreases when the applied force increases. A force sensing resistor senses the force applied to it and correspondingly changes its resistance.

The resistance is inversely proportional to force. They are simple to use and low cost. That means that the current flowing through both resistors increases which in turn causes the voltage across the fixed 10k resistor to increase.

They also vary some from sensor to sensor perhaps 10. Both the electrically conducting and non conducting particles are present on this sensing film. This fsr will vary its resistance depending on how much pressure is being applied to the sensing area.

When no pressure is being applied to the fsr its resistance will be larger than 1mw. These sensors are fairly low cost and easy to use but theyre rarely accurate. The harder the force the lower the resistance.

Play media fsr usage. This means when the applied force high it reduces its resistance and vice versa. They are also known as force sensitive resistor and are sometimes referred to by the initialism fsr.

The way this works is that as the resistance of the fsr decreases the total resistance of the fsr and the pulldown resistor decreases from about 100kohm to 10kohm.

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