<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">
    <figure class="wp-block-audio"><audio controls="" src="https://welldoneblogfedevel.files.wordpress.com/2021/03/how-to-design-boards-that-work-the-first-time.mp3"></audio></figure>
    <div class="blog-content">
        About how to design boards that you can sell to your customers as the very first version. <br><br>
        
        <i>Note: This podcast is an audio track from our YouTube video published here: <a href="https://youtu.be/h5SazzziazM" >https://youtu.be/h5SazzziazM</a></i><br><br>

        Follow this podcast on:
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text"><a href="https://open.spotify.com/show/2e9KQh41yMAevDZkCIh4gn" >Spotify</a></span></li>
            <li class="content-list-item"><span class="content-text"><a href="https://podcasts.apple.com/sk/podcast/welldone-blog-podcast/id1556039875" >Apple Podcast (iTunes)</a></span></li>
            <li class="content-list-item"><span class="content-text"><a href="https://podcasts.google.com/feed/aHR0cHM6Ly93ZWxsZG9uZWJsb2cuZmVkZXZlbC5jb20vY2F0ZWdvcnkvcG9kY2FzdC9mZWVkLw?sa=X&ved=0CAMQ4aUDahcKEwionaPQ2c3-AhUAAAAAHQAAAAAQVQ" >Google Podcast</a></span></li>
        </ul>

        <div class="blog-content-links">
            <div>
                Follow this podcast on
            </div>
            <ul class="links-list">
                <li class="links-list-item"><a href="https://open.spotify.com/show/2e9KQh41yMAevDZkCIh4gn" >Spotify</a></li>
                <li class="links-list-item"><a href="https://podcasts.apple.com/sk/podcast/welldone-blog-podcast/id1556039875" >Apple Podcast (iTunes)</a></li>
                <li class="links-list-item"><a href="https://podcasts.google.com/feed/aHR0cHM6Ly93ZWxsZG9uZWJsb2cuZmVkZXZlbC5jb20vY2F0ZWdvcnkvcG9kY2FzdC9mZWVkLw?sa=X&ved=0CAMQ4aUDahcKEwionaPQ2c3-AhUAAAAAHQAAAAAQVQ" >Google Podcast</a></li>
            </ul>
        </div>  
    </div>
</div>

[Podcast] How to design boards that work the first time

<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/HAaWwZ73ygM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Do you know how a PCB antenna works? Is it the same as what John is explaining in the video?
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:44</span><span class="chapters-text">Pcb Antenna</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:12</span><span class="chapters-text">Example of Pcb Antenna</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:42</span><span class="chapters-text">Monopole</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:01</span><span class="chapters-text">Radiation Patterns</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:28</span><span class="chapters-text">Receiving Antenna</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:17</span><span class="chapters-text">Near Field</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:43</span><span class="chapters-text">Input Impedance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:33</span><span class="chapters-text">50 Ohm Input on an Antenna Why 50 Ohms</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:12</span><span class="chapters-text">Return Loss</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:45</span><span class="chapters-text">Efficiency</span></li>
            <li class="chapters-list-item"><span class="chapters-time">21:19</span><span class="chapters-text">IPeak Peak Gain</span></li>
            <li class="chapters-list-item"><span class="chapters-time">22:45</span><span class="chapters-text">Electromagnetic Simulator</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:20</span><span class="chapters-text">Microwave Office</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:30</span><span class="chapters-text">Finite Elements</span></li>
            <li class="chapters-list-item"><span class="chapters-time">28:07</span><span class="chapters-text">Absorbing Boundary Condition</span></li>
            <li class="chapters-list-item"><span class="chapters-time">31:18</span><span class="chapters-text">Gain</span></li>
            <li class="chapters-list-item"><span class="chapters-time">33:09</span><span class="chapters-text">The Polarization of the Pattern</span></li>
            <li class="chapters-list-item"><span class="chapters-time">34:17</span><span class="chapters-text">Linear Polarization</span></li>
            <li class="chapters-list-item"><span class="chapters-time">36:59</span><span class="chapters-text">Fm Radio Is Polarized</span></li>
            <li class="chapters-list-item"><span class="chapters-time">39:14</span><span class="chapters-text">Gps Satellite</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:08</span><span class="chapters-text">Circular Polarization</span></li>
            <li class="chapters-list-item"><span class="chapters-time">52:19</span><span class="chapters-text">Smith Chart</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:02</span><span class="chapters-text">Polarization</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:11:20</span><span class="chapters-text">Reciprocity in Electromagnetics</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:15:37</span><span class="chapters-text">Directional Coupler</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:18:46</span><span class="chapters-text">Why Do We Need To Use So Many Vias in the Ground Planes</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.linkedin.com/in/john-dunn-emsimulation/">John Dunn LinkedIn</a></li>
            <li class="links-list-item"><a href="https://www.taoglas.com/datasheets/FW.24.NTY.M.pdf">Taoglas Monopole Antenna</a></li>
            <li class="links-list-item"><a href="https://www.cadence.com/en_US/home/tools/system-analysis/rf-microwave-design/awr-analyst-software.html">Cadence AWR Analyst Software</a></li>
            <li class="links-list-item"><a href="https://www.ti.com/lit/an/swru120d/swru120d.pdf?ts=1616584550828">TI 2.4-GHz Inverted F Antenna</a></li>
            <li class="links-list-item"><a href="https://www.infineon.com/dgdl/Infineon-AN91445_Antenna_Design_and_RF_Layout_Guidelines-ApplicationNotes-v09_00-EN.pdf?fileId=8ac78c8c7cdc391c017d073e054f6227&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-files&redirId=File_1_3_1152">Cypress AN91445 Antenna Design and RF Layout Guidelines</a></li>
        </ul>
    </div>   
</div>


How to Design Your PCB Antennas And How Antennas Work (Bluetooth Antenna Examples) – with John Dunn

<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/ELe1RNa-WC4" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        What do you think, is there a difference if you place PWR and GND planes close to the component layer vs. when you place the planes far away? I was very surprised …
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/XumNc480qYo">What is The Best VIA Placement for Decoupling Capacitors?</a></li>
            <li class="links-list-item"><a href="https://youtu.be/52fxuRGifLU">How to Decide on Your PCB Layer Ordering, Pouring and Stackup (with Rick Hartley)</a></li>
        </ul>
    </div>   
</div>


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Position of PWR and GND Planes in Your PCB Stackup Makes a Big Difference …

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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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