Development kit provides reference design for wireless sensor nodes in industrial IoT applications


STWINKT1B SensorTile kit from STMicroelectronics incorporates motion, environmental and acoustic sensors to give a realistic application environment for rapid development.

The STWINKT1B SensorTile kit from STMicroelectronics is a reference design platform for a wireless sensor node. It can be used in the prototyping and testing of designs for industrial IoT applications such as condition-based monitoring and predictive maintenance.


The STWINKT1B SensorTile kit features a core system board with a range of embedded industrial-grade sensors and an STM32L4R9 microcontroller, which is based on an Arm® Cortex®-M4 processor. The MCU performs vibration analysis on the data provided by the kit’s IIS3DWB three-axis digital vibration sensor and by an ISM330DHCX sensor, an inertial measurement unit consisting of a three-axis accelerometer and three-axis gyroscope, backed by a machine learning core.


The other sensors included on the system board are:

  • IIS2DH low-power, high-performance MEMS motion sensor
  • IIS2MDC low-power three-axis magnetometer
  • LPS22HH digital absolute pressure sensor
  • HTS221 relative humidity and temperature sensor
  • STTS751 low-voltage digital local temperature sensor
  • IMP34DT05 industrial-grade digital MEMS microphone
  • IMP23ABSU analog MEMS microphone with frequency response up to 80 kHz

The development kit is complemented by a rich set of software packages and optimized firmware libraries, as well as a dashboard application running in the cloud. An on-board module provides Bluetooth® Low Energy connectivity. An STEVAL-STWINWFV1 expansion board enables connection to Wi-Fi® networks. Wired connectivity is also supported via an on-board RS-485 transceiver and USB On-The-Go interface.


The core system board includes an STMod+ connector for compatible daughterboards associated with the STM32 family, such as the LTE Cell pack.


  • Micro-SD card slot for stand-alone data logging
  • Option to implement authentication and brand protection with STSAFE-A110
  • 480 mAh lithium battery
  • STLINK-V3MINI debugger


  • Predictive maintenance
  • Condition monitoring
  • Asset tracking
  • Smart logistics
  • Wearable devices
  • Consumer electronics

Development Kit


The STWINKT1B is a development kit and reference design which simplifies the prototyping and testing of industrial IoT applications such as condition monitoring and predictive maintenance. The board enables the designer to evaluate the performance of a range of STMicroelectronics motion and environmental sensors and microphones, and is backed by a rich set of software packages and optimized firmware libraries, as well as a cloud dashboard application.

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