Frequently Asked Questions

Sensors

At their core, our sensors measure angular displacement. That is, they output an angle that is linearly proportional to the amount of bending induced. Please see the demonstration videos on our Technology page to get a better understanding of our sensors in action.

Yes, our sensors have sub-degree resolution and do not suffer from drift.

Our sensors are very durable. We’ve tested our sensors to millions of cycles without failure or drift.

Medical grade silicones doped with conductive and dielectric materials.

There are an incredible number of applications for our technology that span remote healthcare, IOT, consumer electronics, motion capture and industrial market segments. One of our customers, Claris Healthcare, uses our sensors for remote orthopedic patient monitoring. Other areas of strong interest come from consumer electronics & IOT such as measuring laptop screen angles or remotely indicating exactly how open or closed a door is.

Our sensors currently have a standard I2C interface with an easy to use API for reading angular data and configuring the sensor. The portable C99/C++ driver can be found on our GitHub repository.

Yes. Theoretically we can add as many regions as you need; to date the most regions we’ve added in a single sensor is five.

Most groups start out by purchasing our evaluation kits and attaching them to early prototypes. Then once they’ve determined a good technological fit, we get involved in custom integrations.

We designed our evaluation kits to make it easy and painless to start prototyping straight out of the box. We ship our evaluation kits with the ability to connect via BLE or I2C. Our companion Android app can connect to the evaluation kit’s electronics over BLE for a quick look at sensor performance.

Other flex sensors on the market, such as piezoresistive flex sensors, are made from a plastic substrate and are not durable and suffer from drift. Other elastomer based flexible sensors, such as stretch sensors, only measure the amount the sensor has been stretched which is an indirect way of measuring angular motion. Our sensors, however, directly measure angular displacement, reject common mode signals such as stretching and are extremely durable and drift free. They also produce bidirectional output that is linearly proportional to the angular displacement of the sensor. Additionally, they are path independent, so extraneous bending and the radius of curvature have minimal impact on the output of the sensor (see our theory manual).

No. Our sensors store the factory calibrations in non-volatile memory so anytime they’re powered on they will always read the indicated angle.

Purchase our evaluation kits. We always recommend this as the first step to better understanding if this technology will be an appropriate solution. If more information is needed, contact us to setup a consultation with our solutions team.

Customizations & Integration

It depends. We’ve had groups come to us knowing exactly what they need, and we’ve built their prototypes in just a few weeks. We also have customers whose product integrations have taken more than a year due to the deep complexities or regulation of the product.

Many. The evaluation kit sensors come in both a thin rectangular (1-Axis) and elongated cubiodal (2-Axis) form factor. That being said, we’ve designed sensor geometries that range from a slight modification in size to an entirely different shape (e.g. circular). Contact us regarding custom geometries for your project.

Yes. We know our technology better than anyone and love to help groups with integrated prototypes.Contact us to get the conversation started.

Manufacturing & Licensing

We have the capability to produce on the order of millions of units per year.

Please contact us for volume and pricing information.

About Bend Labs

We’re a technology company on a mission to bring motion measurement and understanding to the world through flexible soft sensing solutions. Our primary goal is to enable sensor integration by partnering with companies working in the prototyping phase all the way up through large-scale commercial manufacturing and licensing.

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