STEVAL-WESU1

NRND
Design Win

Wearable sensor unit reference design for fast time to market

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Product overview

Description

STEVAL-WESU1 is a reference design developed and optimized to help designers implement the latest technologies in wearable and portable applications.

The small form factor of the hardware allows it to be enclosed in a watch strap, so the user can experience a real activity monitoring system and immediately begin appreciating the sensor data acquisition, as well as all of the embedded hardware and firmware features, also thanks to the ST WeSU app available free of charge from Apple Store™ and Google Play™ stores. The Apps are based on BlueST SDK, available on GitHub.

Advanced users can also further reduce the hardware form factor; please refer to STEVAL-WESU1 user manual for more details.

The STEVAL-WESU1 firmware package is built on the STM32Cube software technology so it can easily be augmented with further algorithms. It runs on STM32L151VEY6 and includes the drivers to manage three sensors (LSM6DS3, LIS3MDL and LPS25HB), the Bluetooth low energy network processor (BlueNRG-MS) and the battery management ICs (STC3115 and STNS01).

The firmware is freely available on www.st.com.

  • All features

    • Compact solution for wearable, motion sensing applications with a complete set of firmware examples
    • iOS and Android apps available
    • Main components:
      • STM32L151VEY6 – 32-bit ultra-low-power MCU
      • LSM6DS3 – 3D accelerometer + 3D gyroscope
      • LIS3MDL – 3-axis magnetometer
      • LPS25HB – MEMS pressure sensor
      • BlueNRG-MS – BLE network processor
      • BALF-NRG-01D3 - 50 Ω balun with integrated harmonic filter
      • STNS01 – Li-Ion linear battery charger
      • STC3115 – Fuel gauge IC
    • 100 mAh Li-Ion battery included, UN38.3 tested and certified
    • Micro USB connector for recharging
    • SWD connector for debugging and programming capability
    • Watch strap with plastic housing included
    • Fully tested and certified by FCC (FCC ID: S9N-WESU1) and IC (IC: 8976C-WESU1)
    • RoHS compliant

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-WESU1
NRND
CARD Industrial Ecopack2 -

STEVAL-WESU1

Package:

CARD

Material Declaration**:

Marketing Status

NRND

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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STEVAL-WESU1 NRND

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Part Number:

STEVAL-WESU1

Supplier:

ST

Core Product:

STM32L151VEY6; BLUENRG-MSQTR; LPS25HB; LSM6DS3; LIS3MDL; STC3115; BALF-NRG-01D3

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors