STMicroelectronics STEVAL-MKI106V1

Overview

STEVAL-MKI106V1 from STMicroelectronics is a DIL24 socket adapter board for the LSM303DLHC 3-axis accelerometer and 3-axis magnetometer MEMS sensor, providing full pin access, on-board decoupling (10 µF + 4.7 µF + 0.22 µF + 100 nF), and direct compatibility with STEVAL-MKI109V2/V3 evaluation motherboards for rapid prototyping in motion-sensing applications.

For engineers reviewing the STEVAL-MKI106V1 datasheet, STEVAL-MKI106V1 pinout, STEVAL-MKI106V1 application, or STEVAL-MKI106V1 equivalent, this adapter enables immediate sensor integration via standard DIL24 footprint, supports I²C communication (SDA/SCL), accommodates dual interrupt outputs (INT1/INT2), and delivers ready-to-use power conditioning for VDD and Vdd_IO rails.

Technical Context

The STEVAL-MKI106V1 implements a passive breakout interface between the LSM303DLHC's 14-pin LGA package and a 24-pin DIL socket, preserving all signal integrity paths including dedicated VDD, Vdd_IO, SDA, SCL, INT1, INT2, and SET/RES pins. It integrates four decoupling capacitors per power rail to meet the sensor's noise-sensitive analog and digital supply requirements.

No active components or level-shifting circuitry are present - the board operates as a direct mechanical and electrical extension of the LSM303DLHC, relying entirely on host motherboard resources (e.g., STEVAL-MKI109V2's STM32F303VC MCU) for I²C control, data acquisition, and GUI-driven configuration via Unico software.

Key Specifications

Availability

STEVAL-MKI106V1 is available at Aetrix Electronics and suitable for motion sensing development, industrial tilt compensation, consumer electronics orientation testing, and academic MEMS prototyping requiring stable component supply and documented evaluation infrastructure.

Supply support for STEVAL-MKI106V1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, delivering microcontrollers, sensors, power ICs, and analog devices for industrial, automotive, and consumer applications.

The STEVAL-MKI106V1 belongs to ST's MEMS evaluation board product line, designed specifically to accelerate time-to-prototype for its LSM303DLHC and related eCompass sensor families by eliminating layout and interface design overhead.

FAQ

Does STEVAL-MKI106V1 include the LSM303DLHC sensor?

No. The STEVAL-MKI106V1 is an adapter board only - it provides the socket, pin mapping, and decoupling network for the user-supplied LSM303DLHC device. The sensor must be installed separately into the DIL24 socket before use.

Can STEVAL-MKI106V1 operate standalone without a motherboard?

No. It lacks power regulation, MCU, or USB interface. Operation requires connection to a compatible host motherboard such as STEVAL-MKI109V2 or STEVAL-MKI109V3, which supplies power, I²C bus control, and PC communication capability.

What software tools support STEVAL-MKI106V1?

ST's Unico GUI is the primary tool - it communicates via the host motherboard's virtual COM port to configure registers, stream real-time accelerometer/magnetometer data, and visualize eCompass output. Custom firmware can also be developed using ST's X-CUBE-MEMS1 software expansion package.

Are jumpers or resistors required to configure I²C address or interrupt behavior?

No. The board has no user-configurable jumpers or address-setting resistors. I²C address and interrupt routing are determined solely by the LSM303DLHC's internal register settings and the host motherboard's firmware - the adapter presents all pins directly without modification.