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This sensor can detect flexing or bending in one direction. They were popularized by being used in the Nintendo PowerGlove as a gaming interface.

These sensors are easy to use, they are basically resistors that change value based on how much their flexed. If they're unflexed, the resistance is about ~10KΩ. When flexed all the way the resistance rises to ~20KΩ. They're pretty similar to FSRs so following this tutorial will get you started. You can use an analog input on a microcontroller (with a pullup resistor) or a digital input with the use of a 0.1uF capacitor for RC timing.

The bottom part of the sensor (where the pins are crimped on) is very delicate so make sure to have strain relief - such as clamping or gluing that part so as not to rip out the contacts!

Technical Details

  • Length: 112.5mm/4.4in
  • Width: 6.38mm/0.25in
  • Thickness: 0.5mm/0.2in
  • Weight: 0.5g/0.017g

Datasheet from SpectraSymbol


Reading resistive sensors with RC timing

Long Flex Sensor [182]

  • Brand: Adafruit
  • Product Code: ADA-182
  • Reward Points: 18
  • Availability: 2
  • £19.84

  • Ex Tax: £16.53
  • Price in reward points: 200

Short Flex Sensor [1070]

Short Flex Sensor [1070]


This sensor can detect flexing or bending in one direction.

Out Of Stock

Pressure-Sensitive Conductive Sheet (Velostat/Linqstat) [1361]

Pressure-Sensitive Conductive Sheet (Velostat/Linqstat) [1361]


It's pressure-sensitive: squeezing it will reduce the resistance, so it's handy for making flexible ...

Qty: 5

Flex Sensor 2.2

Flex Sensor 2.2


A simple flex sensor 2.2" in length

Qty: 1