FSR Force Sensor Square Description:
FSR Force Sensor Square use in smart ageing & medical, automotive (vehicle accessories), smart furniture and smart mobile devices.
Sensor FSR Square The technology of force-sensing resisto was invented and patented in 1977 by Franklin Eventify.
This is a force sensitive resistor with a square, 1.75×1.5″, sensing area. This FSR will vary its resistance depending on how much pressure is being apply to the sensing area. The harder the force, the lower the resistance.
When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. This FSR can sense apply force anywhere in the range of 100g-10kg.
Two pins extend from the bottom of the sensor with 0.1″ pitch making it bread board friendly. There is a peel-and-stick rubber backing on the other side of the sensing area to mount the FSR.
These senso are simple to set up and great for sensing pressure, but they aren’t incredibly accurate. Use them to sense if it’s being squeez, but you may not want to use it as a scale.
FSR Force Sensor Square Product range: 20g-10kg,
Sensor Type: Force Sensitive Resistor
Controlled By: Voltage Divider
Force Min: 1 N
Max: 20 N
Pressure Min: 10.3 kPa
: 1 MPs
Repeatability Error Max: ± 2 %
Hysteresis Max: 10 %
Long-Term Drift Max: 5 %
Response Time Max: 3 μs en.wikipedia.org
Temperature Sensitivity Max: 0.15 % per °C
Sensing Area: 14.5 cm²
Lifespan: 10 million actuations
Temperature Min: -30 °C
Operating Temperature Max: 70 °C
Force Sensor FSR Square Resistive film Pressure Sensor
Model: RP-S40-ST
Material: polymer
Output Model Category: Analog Sensor
Sensor category: Pressure sensitive and force sensitive senso
Working voltage: 3.3V
Force-sensing resisto consist of a conductive polymer, which changes resistance in a predictable manner following application of force to its surface.
They are normally supply as a polymer sheet or ink that can be apply by screen printing. The sensing film consists of both electrically conducting and non-conducting particles suspend in matrix.
The particles are sub-micrometer sizes, and are formulated to reduce the temperature dependence, improve mechanical properties and increase surface durability.
Applying a force to the surface of the sensing film causes particles to touch the conducting electrodes, changing the resistance of the film.
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