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Home / Computer Hardware, Monitors & Peripherals / Strain Gauge Module High-Precision Bend Sensor Forward/Reverse Bending Angle Replacement for Flex Sensor

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 3.3V - 5V DC
Output Signal Analog Voltage
Measurement Range ±45 Degrees
Sensitivity High (Adjustable via Potentiometer)
Interface Type 3-Pin Header (VCC, GND, SIG)
PCB Dimensions 40mm x 15mm x 5mm
Weight 3.5 grams
Substrate Material Flexible Polymer Composite
Operating Temperature -20°C to 60°C
Microcontroller Compatibility Arduino, ESP32, STM32, Raspberry Pi

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 5/5

Excellent replacement for standard flex sensors

Much more durable than the ink-based flex sensors I used before. The bidirectional measurement is a game changer for my robotic gripper project.

A

Anonymous

Apr 07, 2026

Rating: 5/5

Robust and reliable

I've tested this under repeated bending cycles and it holds up well. The signal noise is minimal compared to cheaper alternatives.

A

Anonymous

Feb 02, 2026

Rating: 4/5

Good precision, needs calibration

Works well once you spend time calibrating the potentiometer. Output is stable. Deducting one star because the pinout diagram was slightly unclear.

A

Anonymous

Jan 29, 2026

Rating: 3/5

Decent but sensitive to mounting

The sensor works, but how you mount it affects the reading significantly. Make sure you follow the mounting guidelines strictly.

A

Anonymous

Jan 24, 2026

Rating: 5/5

Perfect for angle measurement

Used this to measure joint angles on a robotic arm prototype. Very smooth data output. Highly recommend for research.

5 FAQ

Q: Is there a digital version available?

A: This specific model is analog. However, you can easily add an ADC module if digital output is required for your setup.

Q: Does it come with connecting wires?

A: The module includes header pins, but connecting wires are sold separately. Standard jumper wires work perfectly.

Q: What is the maximum bending angle before damage?

A: We recommend staying within ±45 degrees for optimal longevity. Exceeding this may permanent deform the gauge.

Q: Can this detect compression as well as bending?

A: This module is optimized for bidirectional bending. While it may react to compression, it is not calibrated for linear force measurement.

Q: Is this compatible with Arduino Uno?

A: Yes, it outputs an analog signal compatible with Arduino analog pins. Just connect VCC to 5V, GND to GND, and SIG to an analog pin.

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