Flex Sensor 4.5″
Out of stock
4.5-inch resistive flex sensor for Arduino-compatible bend, posture, wearable-control and robotics experiments. Resistance increases as the active strip bends. Read it through a voltage-divider circuit, calibrate it in the finished assembly and protect the base and connector from sharp bends or repeated strain.
₨ 3,499 ₨ 4,160
Out of stock
Flex Sensor 4.5 Inch Price in Pakistan
The 4.5-inch flex sensor is a thin variable resistor for measuring relative bend in wearables, robotics, motion controls and interactive electronics. Its resistance increases as the active strip bends, allowing a microcontroller to monitor movement through a voltage-divider circuit and analog input.
How to use the flex sensor
- Pair the sensor with a fixed resistor to create a voltage divider.
- Read the divided voltage with a compatible analog input.
- Record the relaxed and intended maximum-bend readings.
- Map the calibrated range to the required control value in software.
The sensor is designed for bend detection rather than direct pressure or weight measurement. Mount the base securely, bend only the active length and avoid sharp creases or strain at the connector. Electrical response varies with bend radius, mounting method and component tolerance, so application-specific calibration is essential.
For analog bend experiments, pair the sensor with an Arduino UNO R3 and a suitable fixed resistor, then calibrate the completed wearable or control assembly.
Explore more flex and motion sensors from Robonation Pakistan. For general handling and specification guidance, review the Spectra Symbol flex-sensor resources.
Frequently Asked Questions
How does the 4.5-inch flex sensor detect bending?
Its resistance increases as the active strip bends, allowing relative bend to be measured with an interface circuit.
Is this flex sensor a pressure or load sensor?
No. It is intended for bend sensing rather than direct weight or pressure measurement.
How should the 4.5-inch flex sensor be mounted?
Secure the base and bend only the active length. Avoid sharp creases or strain at the connector because that area can be damaged.
Does the 4.5-inch flex sensor output angle in degrees?
No. It changes resistance with bending. Software can estimate a relative angle only after calibration in the intended mechanical setup.
Why choose a 4.5-inch flex sensor instead of a shorter one?
The longer active strip can suit gloves, posture experiments and larger mechanical movements. Choose the length that fits the required bend radius and mounting area.
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