Bend Labs Digital Flex Sensor - 1-Axis, 4 Inch

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The Bend Labs Digital Flex Sensors are an innovative solution for measuring motion, providing a unique alternative to existing sensor technologies for measuring a highly accurate and drift-free angular displacement in a soft form factor while maintaining extremely low power consumption. Constructed using highly durable, medical grade silicone elastomers, this is a single axis bidirectional flex sensor which measures one angle for 2D orientation. Its low-power, integrated analog front end, with I2C interface, provides angular displacement data in degrees and includes onboard calibration and bootloader.

The angular displacement is path independent, meaning extraneous bending is rejected. Common mode signals such as stretching and temperature fluctuations are also rejected, providing a high fidelity measurement of angular displacement ideal for a wide variety of applications. This sensor requires 1.62-3.6V regulated supply for proper operation.

Note: Due to licensing restrictions Bend Labs technology cannot be licensed for commercial use in the AR/VR field.

  • Highly flexible, soft, silicone elastomers for unrestricted bending
  • Water/weather resistant and highly durable
  • Onboard calibration and bootloader
  • Sensitivity: 0.016° LSB
  • Voltage: 1.62-3.63V
  • Output: I2C
  • Power Consumption @ 3.3V
    • 200uA @ 100Hz
    • Active run down to 97uA
    • 1.7uA suspended
    • 50nA shutdown
  • Power Consumption @ 1.8V
    • 183uA @ 100Hz
    • Active run down to 78uA
    • 1.7uA suspended
    • 50nA shutdown
  • Dimensions: 100mm x 7.62mm x 1.27mm
  • Life Cycle: >1M cycles

Bend Labs Digital Flex Sensor - 1-Axis, 4 Inch Product Help and Resources

Core Skill: Soldering

This skill defines how difficult the soldering is on a particular product. It might be a couple simple solder joints, or require special reflow tools.

1 Soldering

Skill Level: Noob - Some basic soldering is required, but it is limited to a just a few pins, basic through-hole soldering, and couple (if any) polarized components. A basic soldering iron is all you should need.
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Core Skill: Programming

If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.

3 Programming

Skill Level: Competent - The toolchain for programming is a bit more complex and will examples may not be explicitly provided for you. You will be required to have a fundamental knowledge of programming and be required to provide your own code. You may need to modify existing libraries or code to work with your specific hardware. Sensor and hardware interfaces will be SPI or I2C.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

2 Electrical Prototyping

Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
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