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Development kit for indoor and outdoor asset tracking

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By Nick Flaherty

STMicroelectronics has launched a multi-connectivity evaluation platform for building complete proof-of-concept for asset tracking systems.

The STEVAL-ASTRA1B  supports battery-powered designs with a small form factor and includes firmware to simplify development targeted applications such as livestock monitoring, fleet management, and logistics.

The kit has two SoCs to help evaluate short- and long-range technologies. The STM32WL55JC sub-GHz SoC for long-range connectivity (LPWAN) implements the LoRaWAN protocol and provides LoRa, (G)FSK, (G)MSK, and BPSK modulations. The other wireless SoC is the STM32WB5MMG module for 2.4GHz Bluetooth Low Energy and Zigbee (Matter) connectivity. Each device has an ARM Cortex-M4 core for application processing with a dedicated Cortex-M0+ to manage the radio.

The development kit also includes an ST25DV64K near-field communication (NFC) contactless chip for secure pairing and communication and an STSAFE-A110 secure element that ensures privacy and guards against hacking.

A Teseo-LIV3F miniature GNSS module provides accurate and reliable outdoor positioning from multiple satellite constellations.

Numerous ST sensors are integrated for monitoring asset condition and environment. These include an STTS22H low-voltage, ultra-low-power temperature sensor with ±0.5°C accuracy, HTS221 digital humidity and temperature sensor; LPS22HH barometric pressure sensor, and LIS2DTW12 ultra-low-power 3-axis accelerometer. There is also an LSM6DSO32X always-on inertial module, which contains a3D accelerometer and 3D gyroscope with machine-learning core.

 The STEVAL-ASTRA1B has a 480 mAh LiPo battery smart power and battery-management architecture that helps developers maximize application runtime. It includes the ST1PS02 nano-quiescent synchronous step-down converter, STBC03 Li-ion battery charging controller, and TCPP01-M12 USB-C port-protection IC. It operates from +5 to 35°C.

Software and tools for testing applications include the FP-ATR-ASTRA1 STM32Cube software function pack with firmware libraries and typical application examples. There is also ST’s asset-tracking mobile app, available on Apple Store and Google Play. In addition, the DSH-ASSETRACKING web-based cloud dashboard simplifies the creation of an end-to-end proof of concept and is free of charge for demonstration purposes.

 The STEVAL-ASTRA1B evaluation kit is available to order now through ST’s eStore for $144.55.

www.st.com/STEVAL-ASTRA1B

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