Real-Time Software Implementation of Analog Filters - Phil's Lab #20
Modelling analog filters, discretization, and implementation of the digitally-equivalent filters on a real-time, embedded system (STM32). Includes theory, DSP, firmware, and results.
Chapters:
- 00:00Introduction
- 00:38JLCPCB and LittleBrain PCB
- 01:37Overview
- 02:48Digital Filtering Advantages
- 03:13Going From Analog to Digital
- 03:39Modelling Analog Filters
- 04:17Example: RC Low-Pass Filter
- 05:12Discretising the Filter
- 05:54Backward Euler Method
- 06:27RC Low-Pass Filter Difference Equation
- 07:45Practical Tips (-3dB, Sampling Period)
- 08:54Filter Header File
- 09:50Filter Source File
- 12:03Main Source File Modifications
- 13:40Implementation Demo
