Arduino Project 1

Introduction:
It's time to put what we've learned together into a (basic) project. Here's what we've worked on so far:

• Connecting the Arduino to a computer
• The Arduino IDE and uploading sketches
• Using jumper wires with a solderless breadboard
• Safely powering LEDs with Arduino
• Using pins on Arduino as digital outputs and digital inputs
• Using a momentary push button switch to indicate a logic state
• Various Arduino commands and syntax, including

• defining and assigning variables
• pinMode()
• digitalWrite()
• digitalRead()
• if()
• else()
• delay() 

At this point, you don't need to be an expert on all of the above-mentioned topics, but you should at least have a basic recollection of what we did and how they work. Go back and revisit our previous activities if necessary before continuing with this project.

Click through the break to begin this project:

First, the Rules... ...
In this project, you may:

• Talk with other groups about what they are doing
• Look at other groups' circuits
• Research online to see example code
• Copy and paste parts of code from outside sources.
• Use / repurpose code we've previously used in this class for our activities
• Ask for help from outside sources

You may not:

• Touch another group's circuits (or ask another group to touch your circuits)
• Physically type code into another group's computer (or ask another group to type code into your computer)
• Copy and past code directly from a classmate

Eventually, we will all be working on different projects, so we can ease up a bit on the rules about not touching others' stuff, but for now, we need to make sure everyone is help accountable for their own learning.

The Project:

Your goal is to design a specialized "flashlight" that has the following properties:

• Arduino-controlled
• Features 2 LEDs (that are each protected with an appropriate resistor)
• A single push-button switch that controls the light as follows:

• Initially, the flashlight is off (both LEDs are off)
• On the first press of the button, one LED lights
• On the second press of the button, the first LED turns off and the second LED lights
• On the third press of the button, both LEDs turn on 

• On the fourth press of the button, the flashlight turns off again

• The switch should not need to be continuously pressed--the presses simply toggle the flashlight through its four modes: off, LED 1, LED 2, both LEDs, off, etc. 

Hints to Get Started:

• Start by connecting the +5 V pin to a "power" (red) rail on your breadboard and the GND pin to a "ground" (blue or black) rail.
• In addition to +5 V and GND, you will need to use three additional pins: two as outputs to turn the LEDs on or off, and one for an input to monitor the state of your button.
• You might want to use the last sketch we worked on (the one with the two serial output states) to get started.

When you're finished:

https://learn.adafruit.com/adafruit-arduino-lesson-10-making-sounds