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Multi sensor application (MuSA) board platform
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The STEVAL-MKI031V1 MuSA (multi sensor application board) platform is intended to demonstrate the performance and possible uses of MEMS devices.

The MuSA platform is based on an ST7 8-bit microcontroller, which manages the output signals from the MEMS accelerometer.

The platform comes with the LIS331DLH pre-installed on the board, but can support any digital-output accelerometer from ST in 3x3 or 3x5 mm packages connected to the microcontroller through an SPI interface, as well as the LIS344ALH analog-output accelerometer.

The MuSA platform features four buttons for navigating the menus. A mini-USB connector is available to exchange data with a PC, depending on the specific application, and also recharges the internal Li-ion battery. The battery is capable of providing power for approximately 7 hours of operation.

A USB interface is available for firmware upgrades (DFU), and for exchanging data with user-developed software running on a host PC.

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Data Brief

Key Features

  • Multi pole connector for platform expansion using sensor-specific modules
  • 4 buttons for menu navigation
  • 128 x 64 pixel, black and white LCD
  • Piezoelectric buzzer
  • MicroSD socket for data logging applications
  • RoHS compliant


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB1027: Multi sensor application (MuSA) board platform
1.1 132 KB

User Manual

Description Version Size
UM0955: STEVAL-MKI031V1 multi sensor application board (MuSA)
1.2 932 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
Gerber files
1.0 157 KB

Bill of Materials

Description Version Size
Bill of materials
1.1 11 KB

Schematic Pack

Description Version Size
Board schematics
1.0 39 KB

License Agreement

Description Version Size
Demo products licence agreement
1.0 22 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-MKI031V1ActiveST72F651AR6T1E; LIS344ALH; LIS331DLH; LIS302DLBuy Direct94.32Distributor reported inventory date: 2014-04-18
Distributor NameRegionStockMin. order
Newark Element14Order NowAMERICA20

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on 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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