Wearables sensor dev platform from ROHM/Kionix

November 03, 2016 // By Graham Prophet
The Aistin Blue Sensor Platform is conceived as an adaptable compact modular sensor system with Bluetooth LE and antenna, suited to the IoT and wearable markets.

Rohm Semiconductor/Kionix (Kyoto, Japan) has selected iProtoXi’s Aistin Blue to be the hardware platform for its IoT Evaluation Kit. The Aistin Blue 3XX series is based on Nordic Semiconductor’s nRF51822 Bluetooth Low Energy (BT 4.1) SoC. The Aistin Blue BTL4XX series, utilizing Nordic’s latest Bluetooth Low Energy (BT 4.2) SoC, the nRF52832, is also available. Aistin Blue boards are specifically designed for low power, battery operated wireless IoT and wearable solutions.

The Aistin Blue development platform incorporates many of the latest sensors from Rohm/Kionix. Included are sensors for detecting 3D-acceleration, 3D-magnetism, 3D-rotation, humidity, air pressure, and temperature.

Nordic’s nRF51822 SoC incorporates a 32-bit ARM Cortex- M0 CPU, 2.4GHz multiprotocol radio, 256 kB/128 kB Flash memory and 32 kB/16 kB RAM, while the nRF52832 SoC features a 64 MHz, 32-bit ARM Cortex-M4F CPU, 2.4 GHz multiprotocol radio, 512 kB Flash memory, 64 kB RAM, and a NFC tag for “Touch-to-Pair” operation. Both Nordic SoCs are fully compliant with the latest version of the Bluetooth specification.

The SoCs allow the Aistin Blue to support over-the-air firmware updates using Bluetooth LE. The boards work out-of-the-box with Android applications, and application programming uses Nordic’s development tools.

Kionix’s Evaluation Kit Software includes both Kionix Windows Sensor Evaluation and Multi-OS Evaluation Software. The Windows-based software is GUI driven to allow sensor configuration and data acquisition while the Multi-OS software is command-line driven for more flexible and sophisticated evaluation and algorithm development.

With dimensions of 27/32 mm x 4.2 mm (0.6 mm PCB), Aistin Blue is small enough for wearable devices and enables prototype development without the need for custom hardware. Boards can be extended with custom add-ons and flex PCBs using small 24 pin Aistin Bus24 connector, keeping the solution still tiny enough to fit wearable size.

Aistin Blue boards and Kionix’s full IoT Evaluation Kit will be showcased at electronica, Munich from November 8 to 11 (Hall A5, Stand 542) and Slush (Helsinki), from November

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