https://docs.batstem.com/en/tags/serial-port/Recent content in Serial Port on BatSTEM AcademyHugoenThu, 16 Jul 2026 00:00:00 +0000https://docs.batstem.com/en/docs/l6-the-serial-port/Wed, 02 Apr 2025 00:00:00 +0000https://docs.batstem.com/en/docs/l6-the-serial-port/<h1 id="the-serial-port">The serial port<a class="td-heading-self-link" href="#the-serial-port" 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 serial communication port is.</li> <li>How to use it to send information to the development board and receive information from it.</li> <li>How to use it to monitor and debug our programs.</li> <li>Using variables.</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 already 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>, <a href="../l4-variable-intensity-led/"><em>Lesson 4: Variable-brightness LED</em></a> and <a href="../l5-the-rgb-led/"><em>Lesson 5: The RGB LED</em></a>. In this lesson, we will not add a new electronic component: we will learn to communicate with the board from the computer.</p>https://docs.batstem.com/en/docs/p2-serial-controlled-led/Thu, 16 Jul 2026 00:00:00 +0000https://docs.batstem.com/en/docs/p2-serial-controlled-led/<h1 id="control-the-rgb-led-from-your-computer">Control the RGB LED from your computer<a class="td-heading-self-link" href="#control-the-rgb-led-from-your-computer" 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 previous lessons:</p> <ul> <li>Controlling the red, green and blue channels of an RGB LED.</li> <li>Receiving and sending text through the COM port.</li> <li>Using a variable to store a message.</li> <li>Using conditions to decide what to do based on the command received.</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="../l4-variable-intensity-led/"><em>L4: Variable-brightness LED</em></a>, <a href="../l5-the-rgb-led/"><em>L5: The RGB LED</em></a>, <a href="../l6-the-serial-port/"><em>L6: The serial port</em></a> and <a href="../l7-the-pushbutton/"><em>L7: The pushbutton</em></a>.</p>