Adafruit Short Flex Sensor

Key Features:

• Easy to use
• Detect flexing or bending, single direction

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 ~25KΩ. When flexed all the way the resistance rises to ~100KΩ. They' re pretty similar to FSRs. You can use an analog input on a micro-controller (with a pullup resistor) or a digital input with the use of a 0.1 uF 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!

Item Specifics
Resistance: ~25KΩ to ~100KΩ
Length: 77.57 mm/ 3.054 in
Width: 6.41 mm/ 0.2525 in
Thickness: 0.48 mm/ 0.019 in
Weight: 0.27 g/ 0.0095 oz