UM1502

System introduction

Doc ID 022625 Rev 1

5/23

1

System introduction

1.1

Main features

The main features of the STEVAL-MKI111V1 demonstration board are:

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Input voltage range: 5-12 V DC or direct 3.3 V DC power supply

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LPS001WP MEMS pressure sensor, 300-1100 mbar absolute digital output barometer

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20-pin, 8-bit STM8S103F2 MCU as main controller

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Output signal interfaces available:

–

I²C interface

–

PWM modulation (43-38 Hz)

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Onboard or external MEMS control (by selector)

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“Zero” button to reset the pressure offset

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RUN LED, OFS LED, and 5-step indicator bar

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Standard in-circuit programming connector (SWIM, single wire interface module)

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RoHS compliant.

1.2

Target applications

As a water level detection demonstration board, the STEVAL-MKI111V1 is mainly targeted

at the home appliance market for applications including:

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Domestic or industrial washing machines

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General purpose water level systems

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Respiratory equipment.

1.3

Safety and operating instructions

1.3.1

General terms

Warning:

This demonstration board must be used in a suitable

laboratory environment only, by qualified personnel who are

familiar with the installation, use, and maintenance of

electrical systems.

1.3.2

Intended use

The STEVAL-MKI111V1 demonstration board is designed for demonstration purposes only,

and must not be used in domestic or industrial installations. The technical data, as well as

the information concerning the power supply and working conditions, must be taken from

the documentation included in the kit and strictly observed.