Chapter 2 Hello Blinky World
Ingredients
- 1 Arduino Uno (Revision 3)
- 1 Arduino USB cable
- 1 LED
- Your computer
If you’ve never made an Arduino do blinky things, you are so lucky! You get to experience that excitement for the first time.
Traditionally, when people begin learning something new about computers, their first project is to make the computer say, “hello world.” Among blinky makers, our “hello world” is making an LED flash on and off. So that’s what we’ll do now.
Concepts: Using Your Arduino
In this chapter, we’ll write some instructions in Arduino code and then send them over to the Arduino.
You’ll also learn a little bit about light-emitting diodes, or LEDs, which are fun little lights with a quirk you need to learn about.
This ...
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