Arduino Workshop, 2nd Edition

4 Building Blocks

In this chapter you will

• Learn how to read schematic diagrams, the language of electronic circuits
• Be introduced to the capacitor
• Work with input pins
• Use arithmetic and test values
• Make decisions with if statements
• Learn the difference between analog and digital
• Measure analog voltage sources at different levels of precision
• Be introduced to variable resistors, piezoelectric buzzers, and temperature sensors
• Consolidate your knowledge by creating traffic lights, a battery tester, and a thermometer

The information in this chapter will help you understand an Arduino’s potential. We’ll continue to learn about electronics, including how to read schematic diagrams (the “road maps” of electronic circuits). We’ll also explore ...