Connecting a Push Button to an Arduino Uno with Two Wires
Using a push button (switch) to control an LED – CodeMahal
5imple Circuits: How to use a push button - YouTube
Snap-in momentary push button switch with a blue LED ring 3-9V - MyElectronics
SIK Experiment Guide for Arduino - V3.2 - learn.sparkfun.com
Wiring for Push Button Use - 4QD - Electric Motor Control
5Pcs 12V 24V 12mm Waterproof ON Off Latching Push Button Switch with Wiring Harness and Led Indicator Light, Pre-Wired SPDT Self-Locking 4 Pin Marine Metal Switch for Boats Cars Truck (Blue): Amazon.com: