AN4515

Introduction
Overview
Processing analog sensor data with digital filtering can be a resource-intensive job for a Microcontroller Unit (MCU). This application note presents multiple digital filter algorithms, compares their properties, and provides code examples that are good starting points for application-specific filtering.
1 Relevant Devices
2 Median Filter
3 Infinite Impulse Response (IIR) Filters
4 Fast Fourier Transform (FFT)
5 Kalman Filter
6 Conclusion
7 Get Code Examples from GitHub
8 Revision History
Microchip Information

8 Revision History


Doc. Rev.	Date	Comments
A	04/2022	Initial document release

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