Minecraft for Makers

A Arduino Crash Course

If you’ve heard of Arduinos but want to learn more, you’ve come to the right place! Arduinos are microcontrollers, tiny computers that listen to sensors, power lights, and control motors, following a series of programmed instructions. They’re dirt easy to use and cost hardly anything by technology standards.

Check out the Arduino UNO in Figure A-1. It’s a circuit board about the size of a credit card with mysterious electronic components attached to it. Read on to learn more about this awesome tool.

Figure A-1: The UNO serves as the default Arduino.

Know Your UNO

The UNO isn’t the fastest, the newest, or the most powerful ...