GitHub - popcornell/Arduino-Multiplierless-EMA-filter: This repo contains a class that implements a Multiplierless Exponential Mobile Average/Infinite Impulse Response IIR filter
GitHub - tttapa/Filters: An Arduino finite impulse response and infinite impulse response filter library.
![How to calculate a first order IIR filter in 5 minutes - Monocilindro Blog: Motorcycles and Electronics How to calculate a first order IIR filter in 5 minutes - Monocilindro Blog: Motorcycles and Electronics](https://www.monocilindro.com/wp-content/uploads/2017/04/first_order_IIR_filter.png)
How to calculate a first order IIR filter in 5 minutes - Monocilindro Blog: Motorcycles and Electronics
![infinite impulse response - IIR filter with circular buffer - Arduino - Signal Processing Stack Exchange infinite impulse response - IIR filter with circular buffer - Arduino - Signal Processing Stack Exchange](https://i.stack.imgur.com/DeTr2.png)