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Dual-Radio Bluetooth/LPWAN IoT Development Kit

By supporting concurrent communication over Bluetooth Low Energy (BLE) and Sub-1GHz wireless, STMicroelectronics says its STEVAL-FKI001V1 dual-radio development kit gives greater flexibility in the development of IoT devices.

For example, smart sensors, finders and trackers which can be configured, updated, remotely monitored and tracked using various network topologies, protocols and services.

Built to unleash extra creativity for smart-home or smart-building scenarios as well as asset-tracking, energy-management, smart-farming and industrial monitoring and control use cases, the STEVAL-FKI001V1 brings together ST’s BlueNRG-1 Bluetooth System-on-Chip and S2-LP sub-1GHz transceiver. The dual-radio architecture enables simultaneous operations on a variety of radio-frequency bands and protocols such as Bluetooth LE or proprietary 2.4GHz, Sub-1GHz, and Sigfox.

Users can create smart objects that connect to each other locally through mesh or point-to-point connections and support flexible ways of connecting to the Cloud. For instance, a convenient sensor ecosystem for smart-home could be easily forged with local sensor networking leveraging either BLE or Sub-1GHz wireless link and the whole system connected to the Cloud through a local gateway or directly via a Sigfox ubiquitous link, for surveillance or remote monitoring purposes – all based on same STEVAL-FKI001V1 kit.

The BlueNRG-1 Bluetooth 5.0 certified solution is designed for convenient setup, configuration or modification of device settings during installation or maintenance and permits monitoring of networked node sensors through an app running on any Android or iOS device.

The sub-1GHz S2-LP transceiver allows local networking as well as LPWAN installations including global Sigfox connectivity, which enables capabilities such as real-time notification of events. Moreover, users can leverage out-of-the-box Sigfox-ready networking to track and remotely localise devices or assets.

The kit can readily be expanded through its Arduino Uno V3 connectors with the vast and comprehensive ST X-NUCLEO offering, including expansion boards with MEMS sensors, motor control, GNSS receivers or industrial input/output and power drivers.

The STEVAL-FKI001V1 development kit is also fully interoperable with the recently announced BlueNRG-Tile board.

Leveraging the BlueNRG-1 SoC’s versatile interfaces and ultra-low-power Arm Cortex-M0 core with 256KB of embedded program memory, users can connect their own choice of external sensors and process the data acquired locally in real-time. The STEVAL-FKI001V1 comes with an SDK that simplifies development and compresses time-to-market while preserving flexibility, scalability, and extensibility. In fact, it could also be used in conjunction with the ST BlueNRG-Mesh software package to create extensive networking on a large-scale installation. OTA firmware update is possible via the BLE connection.

Author
Bethan Grylls

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