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Getting Set Up

Why Microcontrollers Need Compiled Code

Installing the Arduino IDE

Tracking your time with Hackatime

The Shape of a Program

Setup and Loop

Variables and Pin Numbers

Checking your understanding of sketch structure

Controlling Pins

pinMode — Declaring Direction

digitalWrite and Your First Blink

digitalRead and Checking a Button

Checking your understanding of pin modes

Checking your understanding of delay

Review

Session 3 Interactive Review

Session 3 of 8. Writing C++ for a microcontroller — installing the Arduino IDE, the shape of a sketch, and using pinMode, digitalWrite and digitalRead to control real hardware.

Your breadboard circuit currently responds to your finger. This session puts a microcontroller in
charge instead.

Session 3 — Coding in C++

<div class="simple-box-wrapper"> <div class="simple-box"> <div class="column"> <h3>Description</h3> <div class="ck-horizontal-line"><hr></div> <p>I'm a paragraph. Click to start writing that will inform, inspire, or encourage your community. We know you have so many things to share with the world. Happy editing!</p> </div> </div> </div>