原标题：STSTEVAL-STLKT01V1 SensorTile开发方案

　　ST公司的STEVAL-STLKT01V1 SensorTile开发套件支持和扩展SensorTile传感器模块(13.5mm x 13.5mm),它包括MEMS加速度计,陀螺仪,磁力计,压力传感器和MEMS麦克风.开发板采用低功耗80 MHz STM32L476JGY微控制器来检测和低功耗蓝牙连接到集线器,以开发可穿戴设备,游戏附件,智能手机和物联网(IoT)设备.本文介绍了STEVAL-STLKT01V1主要特性和功能框图,以及套件中的STLCS01V1 SensorTile板,STLCR01V1 SensorTile板和STLCX01V1 SensorTile板主要特性,电路图和材料清单.

　　The STEVAL-STLKT01V1 is a comprehensive development kit designed to support and expand the capabilities of the SensorTile and comes with a set of cradle boards enabling hardware scalability. The development kit simplifies prototyping, evaluation and development of innovative solutions. It is complemented with software, firmware libraries and tools, including a dedicated App.

　　The SensorTile is a tiny, square-shaped IoT module that packs powerful processing capabilities leveraging an 80 MHz STM32L476JGY microcontroller and Bluetooth low energy connectivity based on BlueNRG network processor as well as a wide spectrum of motion and environmental MEMS sensors, including a digital microphone.

　　SensorTile can fit snugly in your IoT hub or sensor network node and become the core of your solution.

　　STEVAL-STLKT01V1主要特性:

　　 FCC (ID: S9NSTILE01) and IC (IC: 8976C-STILE01) certified

　　 Included in the development kit package:

　　 SensorTile module

　　 SensorTile expansion Cradle board equipped with audio DAC, USB port, STM32 Nucleo, Arduino UNO R3 and SWD connector

　　 SensorTile Cradle with battery charger, humidity and temperature sensor, SD memory card slot, USB port and breakaway SWD connector

　　 100 mAh Li-Ion battery

　　 Plastic box for housing the SensorTile cradle and the battery

　　 SWD programming cable

　　 Software libraries and tools

　　 STSW-STLKT01: SensorTile firmware package that supports sensors raw data streaming via USB, data logging on SDCard, audio acquisition and audio streaming. It includes low level drivers for all the on-board devices

　　 BLUEMICROSYSTEM1 and BLUEMICROSYSTEM2: STM32Cube expansion software package, supporting different algorithms tailored to the on-board sensors

　　 FP-SNS-ALLMEMS1 and FP-SNS-MOTENV1: STM32 ODE functional packs

　　 ST BlueMS: iOS and Android demo Apps

　　 BlueST-SDK: iOS and Android Software Development Kit

　　 Compatible with STM32 ecosystem through STM32Cube support

　　图1.STEVAL-STLKT01V1开发套件外形图

　　STEVAL-STLKT01V1开发套件核心系统主要特性:

　　LSM6DSM 3D accelerometer + 3D gyroscope

　　LSM303AGR 3D Magnetometer + 3D accelerometer

　　LPS22HB pressure sensor/barometer

　　MP34DT04 digital MEMS microphone

　　STM32L476 microcontroller

　　BlueNRG-MS network processor with integrated 2.4GHz radio

　　STEVAL-STLKT01V1开发套件包括:

　　1.STLCS01V1 SensorTile板

　　图2.STLCS01V1 SensorTile板外形图

　　STLCS01V1 SensorTile板主要特性:

　　 Very compact module for motion, audio and environmental sensing and Bluetooth low energy connectivity with a complete set of firmware examples

　　 Supported by the BLUEMICROSYSTEM1 and BLUEMICROSYSTEM2 software expansion package for STM32Cube and the STM32 ODE functional pack FP-SNS-ALLMEMS1

　　 Mobile connectivity via the ST BlueMS app, available for iOS and Android

　　 Main components:

　　 STM32L476 – 32-bit ultra-low-power MCU with CortexM4F

　　 LSM6DSM – iNEMO inertial module: 3D accelerometer and 3D gyroscope

　　 LSM303AGR – Ultra-compact high-performance eCompass module: ultra-low power 3D accelerometer and 3D magnetometer

　　 LPS22HB – MEMS nano pressure sensor: 260-1260 hPa absolute digital output barometer

　　 MP34DT04 – 64dB SNR Digital MEMS Microphone

　　 BlueNRG-MS – Bluetooth low energy network processor

　　 BALF-NRG-01D3 – 50 Ω balun with integrated harmonic filter

　　 LD39115J18R – 150 mA low quiescent current low noise LDO 1.8 V

　　 2 V-5.5 V power supply range

　　 External interfaces: UART, SPI, SAI (Serial Audio Interface), I²C, DFSDM, USB OTG, ADC, GPIOs

　　 Pluggable or solderable interface

　　 SWD interface for debugging and programming capability

　　2.STLCR01V1 SensorTile板

　　图3.STLCR01V1 SensorTile板外形图

　　STLCR01V1 SensorTile板主要特性:

　　 Sensortile Cradle board with SensorTile footprint (solderable)

　　 STBC08PMR – 800 mA standalone linear Li-Ion battery charger

　　 HTS221 – capacitive digital sensor for relative humidity and temperature

　　 LDK120M-R – 200 mA low quiescent current very low noise LDO

　　 STC3115 – Fuel gauge IC

　　 USBLC6-2P6 – very low capacitance ESD protection

　　 USB type A to Mini-B USB connector for power supply and communication

　　 microSD card socket

　　 SWD connector for programming and debugging

　　3.STLCX01V1 SensorTile板

　　图4.STLCX01V1 SensorTile板外形图

　　STLCX01V1 SensorTile板主要特性:

　　 Sensortile Cradle expansion board with SensorTile plug connector

　　 Compatible with STM32 Nucleo boards through Arduino UNO R3 connector

　　 LDK120M-R – 200 mA low quiescent current very low noise LDO

　　 ST2378ETTR – 8-bit dual supply 1.71 V to 5.5 V level translator

　　 USBLC6-2P6 – very low capacitance ESD protection

　　 16-Bit, low-power stereo audio DAC

　　 Micro-USB connector for power supply and communication

　　 Reset button

　　 SWD connector for programming and debugging

　　图5.STEVAL-STLKT01V1开发套件功能框图

　　STEVAL-STLKT01V1开发套件材料清单: