<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/icRzEZF3eZo" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Discussion with Eric Bogatin about why return currents flow under tracks … and more …
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item">
                <span class="chapters-time">06:15</span><span class="chapters-text">The Fourt Most Important Principles of Signal Integrity</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">08:17</span><span class="chapters-text">Microstrip Transmission Line</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:14</span><span class="chapters-text">Secret to Understanding Return Current Is Displacement Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:20</span><span class="chapters-text">Displacement Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">21:10</span><span class="chapters-text">Current Density</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">22:13</span><span class="chapters-text">Lateral Extent of the Return Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">32:55</span><span class="chapters-text">Configrations of Cross Sections</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">38:39</span><span class="chapters-text">Return Current Distribution</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">44:10</span><span class="chapters-text">Ground Bounce</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/eric-bogatin-368860/">Eric Bogatin</a></li>
            <li class="links-list-item"><a href="https://www.bethesignal.com/bogatin/">Eric´s classes</a></li>
            <li class="links-list-item"><a href="https://www.altium.com/summit/">AltiumLive</a></li>
        </ul>
    </div>   
</div>


What Every PCB Designer Should Know – Return Current Path (with Eric Bogatin)

<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/M9nZS03r58U" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Tutorial on how to design a custom 10W solid-state power amplifier for audio (guitar, in particular). Explanation and derivation of a three-stage, analogue power amplifier using a single DC supply (+24V). Includes schematics of long-tailed pair, class A amplifier and biasing stage, and output stage.
    </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">Guitar Solo (Steel Panther - If You Really Really Love Me)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:47</span><span class="chapters-text">Amplifer Block Diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:58</span><span class="chapters-text">Full Power Amplifier Schematic and Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:36</span><span class="chapters-text">Long-Tailed Pair (Differencing Amplifier)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:31</span><span class="chapters-text">Class A Amplifier and Biasing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:24</span><span class="chapters-text">Output Stage</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:54</span><span class="chapters-text">KiCad Layout (Overview)</span></li>
        </ul>
    </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 courses</a></li>
        </ul>
    </div>  
</div>

Solid-State Power Amplifier Design for Guitar - Phil's Lab #12

<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/hZSOhVdzqZk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        How to fix the noise on power pin by measuring PDN impedance.
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/5Ca0Eah7eKI">Part 1: PCB Layout & Decoupling - Explained why it's so complicated</a></li>
            <li class="links-list-item"><a href="https://youtu.be/Tt8X6_maj6c">Part 2: PCB Layout & Decoupling - Understanding Impedance</a></li>
            <li class="links-list-item"><a href="https://youtu.be/hZSOhVdzqZk">Part 3: PCB Layout & Decoupling - Measuring and Fixing</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/florian-h%C3%A4mmerle-a8304152/">Florian Hämmerle</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/steven-sandler-022a7210/">Steven Sandler</a></li>
            <li class="links-list-item"><a href="https://www.omicron-lab.com/products/vector-network-analysis/bode-100/">Bode 100</a></li>
            <li class="links-list-item"><a href="https://www.picotest.com/products_PDN_Probe.html">Picotest</a></li>
        </ul>
    </div>   
</div>


| KNOWLEDGE BASE

A rich source of expert knowledge

PCB Layout & Decoupling – Measuring and Fixing (Part 3)

Newest Posts

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?

Categories

BUSINESS ADDRESS