Industrial sensor evaluation kit for temperature and vibration monitoring

18-07-2022 | Mouser Electronics | Design & Manufacture

STMicroelectronics STEVAL-PROTEUS1 Industrial Sensor Evaluation Kit, available now from Mouser, is designed for temperature and vibration monitoring. It is based on a 2.4GHz multiprotocol wireless SoC to manage machine or facility condition monitoring for industrial applications. The evaluation board facilitates the prototyping, evaluation, and development of wireless industrial sensor nodes to allow predictive maintenance. It is supplied with a LiPo battery and a plastic case. All components are mounted solely on the top side of the PCB to provide easy mounting on other equipment. The included complete software and the firmware libraries with time and frequency domain vibration analysis facilitate software customisation and can reliably improve the time-to-market.

The main board incorporates the STM32WB5MMG ultra-low-power and small form factor wireless radio module. This module is FCC and IC certified (FCC ID: YCP-STM32WB5M001 and IC: 8976A-STM32WB5M01). The module is based on the STM32WB55VGY wireless SoC, compliant with the BLE SIG specification v5.2, ZigBee 3.0, and IEEE 802.15.4-2011. The powerful Arm-based Cortex-M4 with FPU and large memory permits running the embedded algorithm at the node level. The multiprotocol support provides the development of applications with various types of connectivity, utilising unique hardware. Furthermore, the main board incorporates the STSAFE-A110 secure element that supplies authentication and secure data management services to a local or remote host.

The IIS3DWB high bandwidth (up to 6kHz) accelerometer, the IIS2DLPC ultra-low power, and the ISM330DHCX inertial module (accelerometer and gyroscope) with MLC make the hardware excellent for customised vibration monitoring development. The STTS22H high accuracy temperature sensor has been incorporated into the board, far from the heat noise sources (the power management and the microcontroller), to deliver more precise temperature measurement. Its exposed pad sensor feature enables the temperature sensor to be in contact with the surface target equipment. On-board external memory is connected through QSPI to the STM32WB5MMG module for data buffering and event storage.

The device is LiPo rechargeable battery-powered. It can also be powered through USB (5V at 500mA) or a primary battery (not included in the kit). The power management provides the ST1PS02 400mA step-down converter for low-power applications and the STBC02 for battery charging. An application example firmware with dedicated algorithms is preloaded in the flash memory to simply demonstrate wireless vibration and temperature node monitoring.

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