Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Type	Resistive Flex Sensor
Operating Voltage	3.3V - 5V DC
Resistance Range	10kΩ (Flat) to 40kΩ (Bent)
Compatible Platforms	Arduino, STM32, ESP32, Raspberry Pi
Dimensions	80mm x 10mm x 0.5mm
Bend Radius	Minimum 10mm
Response Time	< 10ms
Interface	Analog Output
Included Resources	C Code for Arduino & STM32
Application	Smart Gloves, Robotics, Gesture Control

6 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Reliable for educational kits

We bought ten of these for our university lab. They are durable enough to withstand repeated bending by students and the data is consistent.

Anonymous

Mar 19, 2026

Rating: 5/5

Perfect for my smart glove project

The sensor responds very smoothly to bending. The included STM32 code worked out of the box and saved me hours of calibration time. Highly recommended for hobbyists.

Anonymous

Mar 17, 2026

Rating: 4/5

Works well with Arduino too

Even though I'm using an Arduino Uno instead of STM32, the principles in the example code translated easily. The sensor is thin and fits nicely into fabric gloves.

Anonymous

Mar 14, 2026

Rating: 4/5

Good sensitivity, needs calibration

Great build quality and flexible material. You do need to calibrate the analog readings for your specific application, but the example code provides a solid starting point.

Anonymous

Mar 07, 2026

Rating: 5/5

Excellent documentation

Sometimes hardware comes with terrible docs, but not this one. The wiring diagram and the logic for converting resistance to bend angle were clear and easy to implement.

Anonymous

Mar 03, 2026

Rating: 5/5

Fast shipping and great product

Arrived quickly and well-packaged. The flex sensor has a linear response curve which makes mapping values to servo motors very straightforward.

5 FAQ

Q: Is the example code available for Python?

A: The primary examples are in C/C++ for Arduino and STM32 environments. However, since it outputs an analog signal, you can easily read it using Python on a Raspberry Pi with an ADC.

Q: Do I need any additional components to connect this?

A: You will need a pull-down or pull-up resistor (usually 10kΩ) to create a voltage divider circuit unless your breakout board already includes one. The schematic in the download link details this.

Q: Can this sensor be used with a 3.3V microcontroller?

A: Yes, this module operates comfortably within the 3.3V to 5V range, making it compatible with most 3.3V logic boards like the STM32 or ESP32.

Q: How durable is the sensor if bent repeatedly?

A: The sensor is designed for thousands of bend cycles. For maximum longevity, we recommend avoiding bending it tighter than the specified 10mm radius.

Q: What is the length of the conductive part?

A: The total length of the module is 80mm, with the active resistive element spanning approximately 70mm of that length.

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