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STMicroelectronics Reference Design Enables Compact and Cost-Effective Wearables with Social-Distancing, Contact-Tracing, and Remote Capabilities, development kit available from Anglia

STMicroelectronics BlueNRG-2


STMicroelectronics has announced the availability of a compact and cost-effective reference design ideally suited for monitoring social distancing, assuring remote operation, provisioning, as well as warning, anti-tampering, and potentially providing contact tracing to protect human health in all environments, including in response to global or local pandemic conditions.

Leveraging Bluetooth Low Energy technology through its incorporation of STMicroelectronics ultra-low-power BlueNRG-2 System-on-Chip with tuneable RF output power, the BlueNRG-Tile reference design measures the signal strength of nearby Bluetooth non-connecting beacons and, in real-time, calculates proximity to these sources. The circuit can be provisioned and then operate, issuing warnings when another beacon intrudes on an adjustable perimeter or when tampered with – even when not connected to a smartphone or 5G network.

The base reference design can be supplemented with STMicroelectronics S2-LP sub-GHz ultra-low-power RF transceiver to add bi-directional tag-to-cloud communication through the Sigfox “0G” Global Network, allowing private and anonymous tag provisioning, notifications, and an advisory return-channel for emergency warnings.

To assure power economy and extend battery lifetime, the ultra-low power components are further enhanced with a MEMS (Micro-Electro-Mechanical Systems) accelerometer that power cycles the unit when stationary. Optionally, internal or external memory can be added to provide long-term storage of nearby beacons, allowing contact tracing.

Free Development Kit   
Key Features

STEVAL-BCN002V1B sensor board:
  • BlueNRG-2: Bluetooth Low Energy single-mode system-on-chip
  • BALF-NRG-02D3: ultra-miniature balun and harmonic filter
  • LSM6DSO: iNEMO 6DoF inertial module, ultra-low power and high accuracy
  • LIS2MDL: magnetic sensor, digital output, 50 gauss magnetic field dynamic range, ultra-low power, high performance, 3-axis magnetometer
  • VL53L1X: long range Time-of-Flight sensor based on ST FlightSense technology
  • MP34DT05TR-A: MEMS audio sensor omnidirectional digital microphone, 64 dB SNR, -26 dBFS sensitivity, top-port, 122.5 dBSPL AOP
  • LPS22HH: ultra-compact piezo-resistive absolute pressure sensor, 260-1260 hPa, digital output barometer, full-mold dust resistant, holed LGA package (HLGA)
  • HTS221: capacitive digital sensor for relative humidity and temperature
  • CR2032 battery powered (not included)
  • STMicroelectronics BLE Sensor app available on Android (Google Play) and iOS (iTunes)
STEVAL-BCN002V1D programming board:
  • Program and debug firmware running on sensor board
  • Supply power to the sensor board

Click below for an overview of the STEVAL-BCN002V1B Bluetooth LE enabled sensor node development kit

The STEVAL-BCN002V1B Bluetooth LE enabled sensor node development kit is extremely compact measuring just 25mm diameter making it easy for designers to integrate into wearables and other applications. The board is fitted with an array of sensors including the LSM6DSO: iNEMO 6DoF inertial module, LIS2MDL: 3-axis magnetometer, VL53L1X: long range Time-of-Flight sensor, MP34DT05TR-A: MEMS omnidirectional digital microphone, LPS22HH: ultra-compact piezo-resistive absolute pressure sensor and the HTS221: Relative humidity and temperature sensor. The onboard sensors allow versatile measurement and monitoring of a wide range of environmental conditions.

STMicroelectronics Board

The STEVAL-BCN002V1B Bluetooth LE enabled sensor node development kit features the STEVAL-BCN002V1B multi-sensor board based on BlueNRG-2 SoC Bluetooth Low Energy application processor. This sensor board has accelerometer, gyroscope, magnetometer, pressure, humidity, Time-of-Flight and microphone sensors, and is powered by a common CR2032 coin battery.

The sensor board communicates with a Bluetooth LE enabled smartphone running the ST BLE Sensor app, available on Google Play and iTunes stores, links below. The STEVAL-BCN002V1D adapter board can be used to program and debug the sensor board and the adapter board is powered via USB.

Google Play Apple App Store

The STEVAL-BCN002V1B Bluetooth LE enabled sensor node development kit is ideal for a wide range of applications including Internet of Things, Wearables, Smart Building, Home and City, Industry 4.0, Tracking Systems, Supply Chain/ Cold-Chain Management and Smart Agriculture (soil control, animal activity tracking, etc.).

Anglia are offering customers a FREE development kit of the STEVAL-BCN002V1B BlueNRG-Tile reference design from STMicroelectronics, please fill in the form below to register your interest now.

To register for a FREE development kit of the STEVAL-BCN002V1B BlueNRG-Tile reference design from STMicroelectronics, please fill in the form below

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FREE samples for UK and Ireland customers only, subject to availability.

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