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Nordic nRF52832 SoC-powered Suunto open development environment offers rapid prototyping of Bluetooth low energy motion sensing solutions

Nordic nRF52832 SoC-powered Suunto open development environment offers rapid prototyping of Bluetooth low energy motion sensing solutions

 

The ‘Movesense’ platform from Suunto provides a programmable sensor, APIs, and software libraries and is designed for applications ranging from sports and health to logistics and gaming

 

Nordic Semiconductor today announces that Vantaa, Finland-based Suunto, has selected Nordic’s award-winning nRF52832 Bluetooth® low energy System-on-Chip (SoC) for Movesense, an open environment for developers of wireless motion sensing solutions for application in the sports, activity tracking, health, logistics, gaming, and many other segments. Using Movesense, developers can design end-user applications without needing hardware development or RF design expertise.

 

The Movesense platform comprises a versatile, programmable multifunction sensor that incorporates nine-axis motion (accelerometer, gyroscope, and magnetometer), as well as temperature, heart rate and electrocardiography (ECG) sensing in a 36.6 by 36.6 by 10.6mm form factor. A smart connector allows the sensor to be attached to clothing or integrated into apparel, offering an embedded solution with an individual ID that can be used for performing context-specific applications. A soft module with electrodes for integrating heart rate sensing into apparel is also available.

 

A professionally-managed Application Programming Interface (API) and software libraries allow developers to build applications using the sensor and develop associated iOS and Android mobile apps. The nRF52832 SoC provides the Bluetooth low energy wireless connectivity between the sensor and Bluetooth 4.0 (and later) smartphones and tablets. The nRF52832 SoC’s 64MHz, 32-bit ARM® Cortex® M4F processor feature ample performance to run both the Movesense platform’s application software and the Bluetooth low energy RF protocol software.

 

“Most other development platforms are just circuit boards and it’s difficult to build commercial solutions based on them,” says Olli-Pekka Ojanen, Suunto Program Manager. “Movesense allows developers to skip engineering their own hardware—which can take years, cost a lot of money, and requires a team of experts from different fields—and instead focus on their own expertise on developing a commercial product or application.”

 

The shock- and water-resistant Movesense sensor weighs only 10g, and is powered by a replaceable CR 2025 Li-ion battery. The nRF52832 SoC has also been engineered to minimize power consumption with features such as the 2.4GHz radio’s 5.5mA peak RX/TX currents and a fully-automatic power management system that reduces power consumption by up to 80 percent compared with Nordic’s nRF51 Series SoCs. The result is a Bluetooth low energy solution which offers 58 CoreMark/mA, up to twice as power efficient as competing devices.

 

Nordic’s nRF52832 Bluetooth low energy SoC, a member of Nordic’s sixth generation of ultra low power (ULP) wireless connectivity solutions, combines an ARM M4F processor with a 2.4GHz multiprotocol radio (supporting Bluetooth 5, ANT™, and proprietary 2.4GHz RF software) featuring -96dB RX sensitivity, with 512kB Flash memory and 64kB RAM. When launched, the SoC was the world’s highest performance single-chip Bluetooth low energy solution, delivering up to 60 percent more generic processing power, offering 10 times the Floating Point performance and twice the DSP performance compared to competing solutions. Floating Point and DSP performance are key requirements for advanced wearables.

 

The SoC is supplied with Nordic’s S132 SoftDevice, a Bluetooth 5 qualified RF software protocol stack for building advanced Bluetooth low energy applications. The S132 SoftDevice Central, Peripheral, Broadcaster and Observer Bluetooth low energy roles, supports up to twenty connections, and enables concurrent role operation.

 

“There is a close historical relationship between Suunto and Nordic and the support has always been great,” says Ojanen. “But the reason for selecting Nordic went beyond that. The performance of the ARM M4F processor was perfect to support our platform, while the low power consumption, quality of Nordic’s SDK, and API documentation made the nRF52832 SoC the obvious choice.”

 

 

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