https://docs.batstem.com/en/tags/pushbutton/Recent content in Pushbutton on BatSTEM AcademyHugoenThu, 16 Jul 2026 00:00:00 +0000https://docs.batstem.com/en/docs/l7-the-pushbutton/Wed, 02 Apr 2025 00:00:00 +0000https://docs.batstem.com/en/docs/l7-the-pushbutton/<h1 id="the-pushbutton">The pushbutton<a class="td-heading-self-link" href="#the-pushbutton" aria-label="Heading self-link"></a></h1> <h2 id="what-you-will-learn-in-this-lesson">What you will learn in this lesson<a class="td-heading-self-link" href="#what-you-will-learn-in-this-lesson" aria-label="Heading self-link"></a></h2> <p>In this lesson, we will cover:</p> <ul> <li>What a pushbutton is and how it works.</li> <li>The difference between input and output devices.</li> <li>Making decisions in our programs: the &ldquo;if&hellip;do&hellip;else&rdquo; block.</li> <li>Reading the state of a pushbutton from our program to control an LED.</li> </ul> <h2 id="prerequisites">Prerequisites<a class="td-heading-self-link" href="#prerequisites" aria-label="Heading self-link"></a></h2> <p>To follow this lesson, you should be familiar with the basic LED circuit covered in <a href="../l1-internal-led/"><em>Lesson 1: My first project</em></a>, <a href="../l2-the-led-diode/"><em>Lesson 2: The LED diode</em></a> and <a href="../l3-the-led-diode-2/"><em>Lesson 3: The LED diode (2)</em></a>.</p>https://docs.batstem.com/en/docs/l8-the-pushbutton-2/Wed, 02 Apr 2025 00:00:00 +0000https://docs.batstem.com/en/docs/l8-the-pushbutton-2/<h1 id="the-pushbutton-2">The pushbutton (2)<a class="td-heading-self-link" href="#the-pushbutton-2" aria-label="Heading self-link"></a></h1> <h2 id="what-you-will-learn-in-this-lesson">What you will learn in this lesson<a class="td-heading-self-link" href="#what-you-will-learn-in-this-lesson" aria-label="Heading self-link"></a></h2> <p>In this lesson, we will cover:</p> <ul> <li>What an interrupt is.</li> <li>The difference between polling in the main loop and reacting to an event.</li> <li>Making a pushbutton execute blocks when its state changes.</li> <li>Using simple interrupts to control an LED.</li> <li>Optionally, using variables to count button presses.</li> </ul> <h2 id="prerequisites">Prerequisites<a class="td-heading-self-link" href="#prerequisites" aria-label="Heading self-link"></a></h2> <p>To follow this lesson, you should have completed <a href="../l1-internal-led/"><em>Lesson 1: My first project</em></a>, <a href="../l2-the-led-diode/"><em>Lesson 2: The LED diode</em></a>, <a href="../l3-the-led-diode-2/"><em>Lesson 3: The LED diode (2)</em></a> and <a href="../l7-the-pushbutton/"><em>Lesson 7: The pushbutton</em></a>.</p>https://docs.batstem.com/en/docs/p3-interactive-traffic-light/Thu, 16 Jul 2026 00:00:00 +0000https://docs.batstem.com/en/docs/p3-interactive-traffic-light/<h1 id="interactive-traffic-light">Interactive traffic light<a class="td-heading-self-link" href="#interactive-traffic-light" aria-label="Heading self-link"></a></h1> <h2 id="what-you-will-review-in-this-project">What you will review in this project<a class="td-heading-self-link" href="#what-you-will-review-in-this-project" aria-label="Heading self-link"></a></h2> <p>In this project, we will combine what we have learned in the three previous lessons:</p> <ul> <li>Configuring a pushbutton and reading its state.</li> <li>Events and interrupts when pressing and releasing a button.</li> <li>Using a timer to execute a periodic task.</li> <li>Using variables to remember the current state.</li> </ul> <h2 id="prerequisites">Prerequisites<a class="td-heading-self-link" href="#prerequisites" aria-label="Heading self-link"></a></h2> <p>This project puts into practice the concepts learned in <a href="../l7-the-pushbutton/"><em>L7: The pushbutton</em></a>, <a href="../l8-the-pushbutton-2/"><em>L8: The pushbutton (2)</em></a> and <a href="../l9-the-timer/"><em>L9: The timer</em></a>.</p>