Super efficient Moving Average Filter: detailed explanation and implementation in STM32

A short description how to implement a moving average filter within a microcontroller .
The board I am using (NUCLEO-L476RG):
https://www.st.com/en/evaluation-tool...

Accelerometer (ADXL335):
https://www.analog.com/en/products/ad...

ADC configuration:
STM32 ADC easy implementation

Timeline graph:
STM32CubeIde: plotting data using SWV.

Timer update interrupt:
STM32 HAL: Timer Update Interrupt

Please check the website to get more detailed insights about programming STM32 microcontrollers:
https://www.steppeschool.com/courses/...

0:00 Introduction
0:35 Explanation of the algorithm
5:15 Algorithm implementation
7:56 Debugging and demonstration