SpectraSymbol Flex Sensor 4.5 inch (114mm) Bend Sensor
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Prices updated: 12 Oct 2026
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About this product
A resistive flex sensor from Spectra Symbol whose resistance changes as it bends, used to measure angle and displacement. It suits hand-gesture recognition, wearable devices and robotics projects that need to detect bending motion.
Specifications
- Sensor type
- Resistive flex sensor
- Length
- 4.5 inch (114mm)
- Measurement
- Angle displacement
Frequently asked questions
How do I read a flex sensor with Arduino?
Flex sensors change resistance, so connect it in a voltage divider with a fixed resistor and read the midpoint on an analog input. The resistor value depends on your circuit, so test it with your sensor.
Is it suitable for wearable projects?
Yes for detecting bending motion, as the sensor is designed to bend and flex with the moving object it is attached to. Mount it securely so it bends in the intended direction.
