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Spectra Symbol Flex Sensor 2.2″ Bend Sensor for Hand Gesture Recognition

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  • Operating voltage of FLEX SENSOR : 0-5V
  • Can operate on LOW voltages
  • Power rating : 0.5Watt (continuous), 1 Watt (peak)
  • Life : 1 million
  • Operating temperature : -45ºC to +80ºC
  • Flat Resistance : 25K Ω
  • Resistance Tolerance : ±30%
  • Bend Resistance Range : 45K to 125K Ohms(depending on bend)

450.00 381.36+18% GST

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Description

Spectra Symbol Flex Sensor 2.2″ Bend Sensor

Flex sensors are usually available in two sizes. One is 2.2 inch and another is 4.5 inches. Although the sizes are different the basic function remains the same. They are also divided based on resistance. There are LOW resistance, MEDIUM resistance, and HIGH resistance types. Choose the appropriate type depending on the requirement.  Here we are going to discuss a 2.2inch Flex sensor (find out a wide range of Sensors at solicstores.in).

FLEX SENSOR is basically a VARIABLE RESISTOR whose terminal resistance increases when the sensor is bent. So this sensor resistance increases depends on surface linearity. So it is usually used to sense the changes in linearity.

Flex Sensor

As shown above, figure, when the surface of the FLEX SENSOR is completely linear it will be having its nominal resistance. When it is bent 45º angle the FLEX SENSOR resistance increases to twice as before. And when the bent is 90º the resistance could go as high as four times the nominal resistance. So the resistance across the terminals rises linearly with bent angle. So in a sense, the FLEX sensor converts flex angle to RESISTANCE parameter.

FLEX SENSOR function

FLEX SENSOR terminal resistance changes when it is bent.

FLEX SENSOR Pin Configuration

Flex Sensor

The flex sensor is a two-terminal device. The Flex sensor does not have polarized terminals like a diode. So there is no positive and negative.

Pin Number Description
P1 Usually connected to positive of the power source.
P2 Usually connected to ground.

FLEX SENSOR Features and Specifications

  • Operating  voltage of FLEX SENSOR : 0-5V
  • Can operate on LOW voltages
  • Power rating : 0.5Watt (continuous), 1 Watt (peak)
  • Life : 1 million
  • Operating temperature : -45ºC to +80ºC
  • Flat Resistance : 25K Ω
  • Resistance Tolerance : ±30%
  • Bend Resistance Range : 45K to 125K Ohms (depending on bend)

Use FLEX SENSOR

The use of FLEX SENSOR consider:

Case1: Where you want to check whether the surface of a device or thing is leveled or not. Say you want a device to check whether a window or door is open or not. At that time a Flex sensor could be used. The sensor could be fixed at the door edge and when the door opens the Flex sensor gets flexed. With the sensor being flexed its parameter changes which could be designed to provide an alert.

Case2:  Where you want to measure the FLEX or BENT or ANGLE change of any instrument or device. The FLEX SENSOR internal resistance changes almost linearly with its flex angle. So by sticking the sensor to the instrument, we can have the flex angle in an electrical parameter of resistance.

Applications

  • Robotics
  • Gaming (Virtual Motion)
  • Medical Devices
  • Computer Peripherals
  • Musical Instruments
  • Physical Therapy

Package Includes:

1 x SpectraSymbol Flex Sensor 2.2″ Bend Sensor for Hand Gesture Recognition

Specification

Operating Voltage 0-5V
Resistance Value 10KΩ~125KΩ
Life Cycle >1 million
Dimension 77mm * 6mm * 0.43mm (L*W*H)(3×0.2×0.02”)
Temperature Range -45°C to +80°C

ADDITIONAL INFORMATION

  • Learn how to interface a Flex sensor 2.2 inch with an Arduino.
  • Click here to download the datasheet of Flex sensor 2.2 inch

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