Tools, APP Software Used etc.

	KiCad 9.0
	Processing

Description

6-axis IMU sensor fusion using ICM-42670-P

This project implements sensor fusion for orientation estimation using a 6 axis IMU. A supporting animation is developed in Processing software to visualize the orientation estimate.

HARDWARE

The microcontroller used is Infineon XMC1302 series MCU with 16KB flash and 16 KB ram. The IMU sensor is ICM-42670-P. The module should be powered by an external power supply and a 3.3V regulator on the PCB powers the MCU and sensor.

MCU and IMU sensor communicate through I2C bus. The communication between MCU and PC is done through UART.

PCB is 2 layer and components are all on TOP layer only.

SOFTWARE

We implement the well known Mahony filter for orientation estimation. The algorithm runs at 500 Hz which is triggered by a timer interrupt.

The XMC1302 series MCU does not have any floating-point-unit (FPU) so algorithms are implemented using integer arithmetic only.

Animation to visualize orientation estimate is developed with Processing software.

Code

Github project for code

https://github.com/yoga-cycle/IMU-sensor-fusion-ICM42670P

Schematic and Layout

IMU.pdf

Download Gerbers Download BOM(Bill of materials)

Feb 16,2026

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6-axis IMU sensor fusion using ICM-42670-P

IMU sensor fusion algorithm for estimating orientation using quaternions.

Published: Feb 16,2026

Standard PCB

Download Gerber file 0

BOM(Bill of materials)

Centroid file

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File Last Updated: 2026/02/16 (GMT+8)

File update record

2026-02-1617:08:42

Centroid file is updated.

2026-02-1617:02:47

Parts List (BOM) is updated.

2026-02-1617:02:47

Gerber file is updated.

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