Ignorant of Things: The perfect multi-button input resistor ladder
How To Connect Multiple Buttons with MCU Using One Line - Electronics-Lab.com
Multiple Buttons on single Interrupt - Programming Questions - Arduino Forum
Multiple Push Buttons on One Arduino Input - The DIY Life
Analog Keypad or Multiple Buttons on A single Arduino Pins - Introductory Tutorials - Arduino Forum
multiple switches -analog pin - LEDs and Multiplexing - Arduino Forum
Connecting a Push Button to an Arduino Uno with Two Wires
how to multiple buttons one function and 1 digital input - Project Guidance - Arduino Forum
GitHub - dxinteractive/AnalogMultiButton: Arduino library to capture multiple button presses through a single analog pin, as well as onPress and onRelease "events" and button press times.
SIK Experiment Guide for Arduino - V3.2 - learn.sparkfun.com
How to use up to 10 push button switch with 1 Arduino input pin ANPB-V1 - YouTube
Control 10 output pins using 10 push button switch with 1 Arduino input pin ANPB-V2 - Robojax
Multiple button inputs using Arduino analog pin « RAYSHOBBY.NET