Fixing my counter's bouncy button

A long tale of the trials and tribulations of debouncing my pushbutton!
-- Links
Debounce Your Noisy Buttons: hackaday.com/2...
Texas Instruments Hex Schmitt-Trigger Inverters Data Sheet: www.ti.com/lit...
Wolfram|Alpha: www.wolframalp...
Ultimate Guide to Switch Debounce Series: www.eejournal....
Ultimate Guide to Switch Debounce Part 9 (in case the search link above fails): www.eejournal....
-- Stuff
Logic Probe: amzn.to/3SfDRz4
7 Segment Display: amzn.to/3viAu1l
TTL ICs: amzn.to/40WH75c
Breadboard kit: amzn.to/3MYwfho
Power supply: amzn.to/3uAYxIE
Multimeter: amzn.to/49PUg45
Antistatic mat: amzn.to/49RhcQi
My Wife's Books: amzn.to/47yt9Ji
(Maybe you and/or someone you know will like them!)