switch debouncing circuit - SERP Analysis

https://www.picotech.com/library/articles/blog/what-is-switch-bounce-how-to-implement-debounce

https://www.digikey.com/en/articles/how-to-implement-hardware-debounce-for-switches-and-relays

https://www.geeksforgeeks.org/digital-logic/switch-debounce-in-digital-circuits/

https://www.ti.com/lit/pdf/scea094

https://circuitdigest.com/electronic-circuits/what-is-switch-bouncing-and-how-to-prevent-it-using-debounce-circuit

https://www.eng.utah.edu/~cs5780/debouncing.pdf

https://www.youtube.com/watch%3Fv%3D1IhNIHKPq1w

https://mayaposch.wordpress.com/2018/06/26/designing-an-rc-debounce-circuit/

https://learn.adafruit.com/make-it-switch/debouncing