Understanding delay for I/O: Using Arduino functions vs. coding the MCU
How To Use Arduino's Analog and Digital Input/Output (I/O) - Projects
Understanding HIGH and LOW Arduino Pin States :: Open Source Hardware Group Arduino Tutorials - YouTube
If (pin == HIGH) {Do something) not working - Sensors - Arduino Forum
Connecting Arduino to Processing - SparkFun Learn
Can you use Arduino Digital I/O pins as GND and +5v? - Project Guidance - Arduino Forum
electronics - How to check if all pins are connected on my board to make sure Arduino sends the correct pattern number on my tool - Arduino Stack Exchange
Button issues with LED's - LEDs and Multiplexing - Arduino Forum
Any idea why my relay (pin 2 is switching on when set to LOW and off when set to HIGH?) it is not the if statement as I have taken the HIGH
Arduino programming | Tufts ME 193: MPP
Blinking Faster | Arduino Lesson 1. Blink | Adafruit Learning System
if ( digitalRead(. . .) == HIGH ) not triggering? - Programming Questions - Arduino Forum
Arduino Push Button - Complete Tutorial - The Robotics Back-End
Creating Your First Sketch | Create Your First Arduino Program | InformIT
Tutorial 07: digitalRead() and Serial Port Communication - Programming Electronics Academy
Android Basics and User Interfaces
Output voltage? - General Electronics - Arduino Forum
The Basics of Arduino: Reading Switch States
Pin Change Interrupts - Difference in PORT Read & DigitalRead - Programming Questions - Arduino Forum
How to use pinMode Arduino Command - The Engineering Projects
Arduino Digital Gpio Of Arduino | Arduino
Arduino Uno Pins - A Complete Practical Guide - The Robotics Back-End
if(digitalRead(pin) == HIGH)" not working - Programming Questions - Arduino Forum
The Basics of Arduino: Reading Switch States
