Arduino UNO Pinout: PINS Defining
Arduino Uno - 5V to input pin - General Electronics - Arduino Forum
Can you use Arduino Digital I/O pins as GND and +5v? - Project Guidance - Arduino Forum
Arduino INPUT_PULLUP Explained (pinMode) - The Robotics Back-End
digitalRead() always HIGH - Sensors - Arduino Forum
Arduino pinMode() Function & INPUT_PULLUP Explained
Arduino Push Button - Complete Tutorial - The Robotics Back-End
Arduino UNO Rev3 with Long Pins | Arduino Documentation
L1: Using buttons - Physical Computing
Tutorial 17: Using a Button with Arduino - Programming Electronics Academy
Multiple Push Buttons on One Arduino Input | The DIY Life
Arduino returns HIGH on digitalRead after the input is disconnected - Project Guidance - Arduino Forum
How to Use Analog Pin as Digital Pins in Arduino
5V To GND when button pushed? - General Electronics - Arduino Forum
Android Basics and User Interfaces
Lab: Digital Input and Output with an Arduino – ITP Physical Computing
Intro to Arduino: Digital Input and Output (I/O) – NightShade Electronics
The Basics of Arduino: Reading Switch States
L2: Blinking an LED - Physical Computing
Arduino pin | Mastering Arduino
Arduino Digital Gpio Of Arduino | Arduino
electronics - Can you use an input pin instead of ground in Arduino circuitry? - Arduino Stack Exchange
AnalogRead inconsistency when powered with USB vs 5V/VIN - Classic Nano - Arduino Forum
