<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/rMoTqSC9wrY" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
In this tutorial you will design and build your own keyboard. You will also learn all the essentials to design and build any electronics. Enjoy!
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://github.com/FEDEVEL/custom-keyboard">Github (HW + 3D + SW)</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Tutorial - Custom DIY Keyboard Design and Build | Part 2: Keyboard Schematic

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/N4cLFE0FF2U" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        In this tutorial you will design and build your own keyboard. You will also learn all the essentials to design and build any electronics. Enjoy!
    </div>

    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">What is this tutorial about</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:34</span><span class="chapters-text">Starting a new project</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:42</span><span class="chapters-text">Adding RP2040</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:43</span><span class="chapters-text">Adding 100nF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:12</span><span class="chapters-text">Adding 2.2uF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:14</span><span class="chapters-text">Adding 200R</span></li>
            <li class="chapters-list-item"><span class="chapters-time">25:43</span><span class="chapters-text">Adding 27R</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:40</span><span class="chapters-text">Adding USB-C connector</span></li>
            <li class="chapters-list-item"><span class="chapters-time">31:25</span><span class="chapters-text">Adding ESD protection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">34:03</span><span class="chapters-text">Adding 1uF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">36:10</span><span class="chapters-text">Connecting USB CC pins</span></li>
            <li class="chapters-list-item"><span class="chapters-time">36:46</span><span class="chapters-text">Adding 5.1k</span></li>
            <li class="chapters-list-item"><span class="chapters-time">38:21</span><span class="chapters-text">Voltage regulator 5V to 3V3</span></li>
            <li class="chapters-list-item"><span class="chapters-time">42:27</span><span class="chapters-text">Adding 47uF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:49</span><span class="chapters-text">Crystal ABM8-272-T3</span></li>
            <li class="chapters-list-item"><span class="chapters-time">47:22</span><span class="chapters-text">Adding 1k</span></li>
            <li class="chapters-list-item"><span class="chapters-time">48:32</span><span class="chapters-text">Adding 15pF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">49:48</span><span class="chapters-text">Adding 1M</span></li>
            <li class="chapters-list-item"><span class="chapters-time">52:52</span><span class="chapters-text">Flash W25Q128JVS</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:20</span><span class="chapters-text">Boot Select Button</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:01:09</span><span class="chapters-text">Adding 100k</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:03:10</span><span class="chapters-text">Reset Button</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:04:28</span><span class="chapters-text">Adding 10k</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:08:23</span><span class="chapters-text">Adding 1x3 Header</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:11:50</span><span class="chapters-text">User LED</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:15:06</span><span class="chapters-text">Power LED</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:16:38</span><span class="chapters-text">Thank you for watching</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://oshwlab.com/robertferanec/custom-keyboard">Finished project (EasyEDA)</a></li>
            <li class="links-list-item"><a href="https://github.com/FEDEVEL/custom-keyboard">Github (HW + 3D + SW)</a></li>
            <li class="links-list-item"><a href="https://www.thingiverse.com/thing:6784228">Thingiverse (3D)</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/playlist?list=PLXvLToQzgzdftro2qK5In8p6ExsDFdpzw">Link to the complete playlist</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Tutorial - Custom DIY Keyboard Design and Build: Schematic + PCB + Case | Part 1 - RP2040

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/Lqc1jmbSxnE" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Why is the thickness of PCB layers important? Explained.
    </div>

    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">What is this video about</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:36</span><span class="chapters-text">What is PCB stackup</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:08</span><span class="chapters-text">Is stackup important?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:37</span><span class="chapters-text">Layer thickness vs. crosstalk</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:37</span><span class="chapters-text">Layer thickness vs. track width</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:11</span><span class="chapters-text">Layer count and order</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:44</span><span class="chapters-text">Conclusion</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

How to choose PCB?

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/M63o4Zzhptc" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Real-time digital processing (DSP) of audio data using an STM32 microcontroller in C on custom audio-processing hardware. Second video in series, covering notch filter basics, software implementation with variable filter parameters, and a live demo with an electric guitar.
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">Introduction</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:48</span><span class="chapters-text">Previous Video and PCB Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:21</span><span class="chapters-text">Hardware Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:48</span><span class="chapters-text">Notch Filter Theory Recap</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:59</span><span class="chapters-text">Code Overview (STM32CubeIDE)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:30</span><span class="chapters-text">Notch Filter Header</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:42</span><span class="chapters-text">Notch Filter Source</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:10</span><span class="chapters-text">main.c</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:44</span><span class="chapters-text">Variable Filter Parameters</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:39</span><span class="chapters-text">Test Set-Up Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:40</span><span class="chapters-text">Live Filter Analysis (Frequency- and Time-Domain)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:39</span><span class="chapters-text">Live Guitar Demo</span></li>
        </ul>
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.youtube.com/playlist?list=PLXSyc11qLa1ZCn0JCnaaXOWN6Z46rK9jd">DSP Playlist</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/playlist?list=PLXSyc11qLa1a4Tqbz228dPZfMrs-KRpzA">STM32 Firmware Playlist</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=ysS4bIXFAsU&ab_channel=Phil%E2%80%99sLab">Notch Filters - Theory and Software Implementation - Phil´s Lab #39</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=VDhmVrbSpqA&ab_channel=Phil%E2%80%99sLab">Digital Audio Processing with STM32 #1 - Introduction and Filters - Phil´s Lab #46</a></li>
            <li class="links-list-item"><a href="https://digilent.com/shop/analog-discovery-pro-3000-series-portable-high-resolution-mixed-signal-oscilloscopes/">Digilent ADP3450</a></li>

            <li class="links-list-item"><a href="https://fedevel.com/courses/mixed-signal-hardware-design-with-kicad">Mixed-signal Hardware Design course</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

Notch Filters - Digital Audio Processing with STM32 #2 - Phil's Lab #49

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/PqFtSpAXB9Q" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        After this tutorial you will know how to start designing your own boards in Altium Designer 2022 . For everyone who would like to learn Altium and also for everyone who has never ever designed any boards, but would like to learn how to do it. Enjoy!
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">Introduction</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:29</span><span class="chapters-text">What you will learn</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:35</span><span class="chapters-text">** Starting a new project **</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:32</span><span class="chapters-text">Creating a component in Altium - Header</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:45</span><span class="chapters-text">Drawing a schematic symbol in Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:43</span><span class="chapters-text">Creating resistor schematic symbol</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:20</span><span class="chapters-text">How to import schematic symbol to Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:30</span><span class="chapters-text">Creating LED schematic symbol</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:51</span><span class="chapters-text">** Drawing schematic in Altium **</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:50</span><span class="chapters-text">Creating footprints in Altium - Resistor footprint</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:47</span><span class="chapters-text">Adding 3D model to footprint</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:24</span><span class="chapters-text">Adding Assembly Drawing layer</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:10</span><span class="chapters-text">Creating footprint for LED</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:54</span><span class="chapters-text">Creating Header footprint</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:10</span><span class="chapters-text">How to download and import footprint to Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">47:53</span><span class="chapters-text">Adding footprint to schematic symbol</span></li>
            <li class="chapters-list-item"><span class="chapters-time">49:57</span><span class="chapters-text">Annotating schematic in Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:47</span><span class="chapters-text">Check if there are no errors in schematic</span></li>
            <li class="chapters-list-item"><span class="chapters-time">51:01</span><span class="chapters-text">Disable rooms during PCB udpate</span></li>
            <li class="chapters-list-item"><span class="chapters-time">51:30</span><span class="chapters-text">Importing Schematic into PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">51:51</span><span class="chapters-text">** Starting PCB **</span></li>
            <li class="chapters-list-item"><span class="chapters-time">52:41</span><span class="chapters-text">Changing board shape</span></li>
            <li class="chapters-list-item"><span class="chapters-time">53:45</span><span class="chapters-text">Setup PCB Stackup in Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:11</span><span class="chapters-text">Setting up Rules in Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">55:21</span><span class="chapters-text">Placing components into PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">56:22</span><span class="chapters-text">Routing PCB in Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:00:26</span><span class="chapters-text">Editing Schematic and importing the changes into existing PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:03:34</span><span class="chapters-text">Improving Overlay / Silkscreen layer</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:04:45</span><span class="chapters-text">Adding Board Outline layer</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:05:33</span><span class="chapters-text">Assembly drawing layers in PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:36</span><span class="chapters-text">Editing footprint and importing changes into existing PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:08:23</span><span class="chapters-text">3D model of our board</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:08:52</span><span class="chapters-text">Checking and fixing errors / violations on PCB in Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:11:54</span><span class="chapters-text">** Generating outputs for manufacturing **</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:12:28</span><span class="chapters-text">Printing schematic into PDF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:13:41</span><span class="chapters-text">Generating 3D PDF of our board</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:14:45</span><span class="chapters-text">Exporting 3D model ( STEP file ) of our board</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:17:22</span><span class="chapters-text">Printing specific PCB layers into PDF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:19:11</span><span class="chapters-text">Printing to PDF in scale 1:1 from Altium</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:20:42</span><span class="chapters-text">Printing Assembly Drawing layers into PDF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:22:36</span><span class="chapters-text">Generating Pick and Place file</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:23:34</span><span class="chapters-text">Generating Gerber files</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:26:01</span><span class="chapters-text">Generating NC Drill files</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:27:20</span><span class="chapters-text">Generating BOM ( Bill of Material )</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:33:16</span><span class="chapters-text">Download finished project</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:33:40</span><span class="chapters-text">Online courses to learn about electronics</span></li>
        </ul>
    </div> 
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://github.com/FEDEVEL/youtube-altium-quick-tutorial">
                Download the finished project here</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">Learn much more in our online courses</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses/learn-altium-essentials-second-edition">In case you need a more detailed tutorial, this can help you</a></li>
        </ul>
    </div>   
</div>


Altium Designer 22 Tutorial – Quick & Easy | Step by Step

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/H2eQc4DxK30" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Almost everyone knows, that high speed currents flow under the tracks, but why is it important?
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">Intro</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:11</span><span class="chapters-text">What is it all about</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:49</span><span class="chapters-text">What does it mean</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:26</span><span class="chapters-text">Ground plane</span></li>
        </ul>
    </div> 
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/kc9NW2u-vUI">
                Watch the full presentation here</a></li>
            <li class="links-list-item"><a href="https://youtu.be/nPx2iqmVAHY">How GND VIAs Improve Your PCB Layout</a></li>
            <li class="links-list-item"><a href="https://youtu.be/4nEd1jTTIUQ">Does Return Current Flow Under Signals? Watch these examples ...</a></li>
        </ul>
    </div>   
</div>


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Tutorial - Custom DIY Keyboard Design and Build | Part 2: Keyboard Schematic

Tutorial - Custom DIY Keyboard Design and Build: Schematic + PCB + Case | Part 1 - RP2040

How to choose PCB?

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