Arduino workshop for beginners
Arduino Day 2014
Kenny Rasschaert, Inuits 
Arduino =
open hardware + open software
Hardware
Photo: Tom Igoe 
A detailed view of an Arduino board
Photo: Arduino SA 
Some are bigger
Photo: Arduino SA
Some are smaller
Photo: Arduino SA
Arduino + breadboard
Photo: Flickr user Abuakel
Arduino + shields
Photo: John Boxall
Software
Photo: W.Rebel, via Wikimedia Commons
Arduino IDE
Screenshot: Wikipedia contributor Lemio
Command line - Ino
Digital output
LED
Photo: Flickr user Albir
Digital output
on a different LED
Image made with Fritzing
Color codes for resistors
Photo: tinkerlog.com
Analog output
PWM
Image: Arduino SA
Analog input
Potentiometer
Photo: Roy Mohan Shearer 
Analog input
Potentiometer
Image made with Fritzing
Digital input
Push button
Photo: Flickr user Arduinolabs
Digital input
Push button
Image made with Fritzing
Digital input
Push button
Image made with Fritzing
Digital input
Push button
Image made with Fritzing
Digital input
"Floating" input
Photo: Horia Varlan 
Digital input
Push button with pull-down resistor
Image made with Fritzing
Digital input
Push button with pull-up resistor
Image made with Fritzing
Digital input
Push button with the internal pull-up resistor
Image made with Fritzing
Digital input
Contact bounce
Image: "Super Rad!", via Wikimedia Commons 