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Movea reveals reference design aimed at wearables

Posted: 10 Jan 2014 ?? ?Print Version ?Bookmark and Share

Keywords:Movea? wearable? sensor? MEMS? reference design?

Movea has developed a wearable wristband reference design for sports and wellness applications in collaboration with Texas Instruments and the contract design house Xm-Squared. According to the firm, the G-series will be jointly marketed by Movea and Xm-Squared and features connectivity afforded by TI's CC2541 Bluetooth low-energy SoC.

As Movea's first reference design for wearables, the G-Series uses its Motionsport embedded software library, which includes all the normal activity monitoring algorithms for sports and wellness wearables plus functions to determine whether the wearer is standing, sitting, walking or running. OEMs gain access to Movea's motion sensing algorithms from an application programmers interface that includes step count, energy expenditure, distance travelled and sports performance metrics such as running speed, pedestrian cadency (steps per minute) and biking cadency (revolutions per minute).

G-series tracker reference design

Movea's G-series tracker reference design debuted at CES 2014. (Source: Movea)

Based on an InvenSense's 9-axis MEMS chip (including a 3-axis accelerometer, 3-axis gyroscope and 3-axis magnetometer), the G-Series uses only the accelerometer today.

3D motion sensor

A 3D motion sensor is a MEMS chip invented at InvenSense. (Source: NextGenLog)

"The reason we use a 9-axis chip in the reference design, but only use the 3-axis accelerometer today, is to realize the other reference design applications in the future without having to redesign the board," Ava Pagneux, marketing communications manager at Movea, stated. The G-Series is also the world's most accurate and lowest-power turnkey solution for the always-on "quantified self" applications. "We ran benchmarks between the G-Series and the five most popular activity monitors and found it to outperform each in nearly every category."

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