<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/X-qubBLJDD8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
What will happen if you don't have enough GND pins on your connector?
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.colorado.edu/faculty/bogatin/">About Eric</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Do You Design Connector Pinout Correctly? | 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/bpns0GSR_zI" 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">00:52</span><span class="chapters-text">Generating and checking gerber files</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:16</span><span class="chapters-text">Generating BOM (Bill of Material)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:58</span><span class="chapters-text">Generating Pick and Place file</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:51</span><span class="chapters-text">Ordering PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:12</span><span class="chapters-text">Ordering PCB Assembly</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:13</span><span class="chapters-text">Ordering 3D printing - EasyEDA box</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:05</span><span class="chapters-text">Downloading a different variant of box</span></li>
            <li class="chapters-list-item"><span class="chapters-time">22:20</span><span class="chapters-text">Ordering 3D printing - Knobs and Plate</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:12</span><span class="chapters-text">Ordering CNC - Plate</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:38</span><span class="chapters-text">Ordering 3D printing - Frame and Rings</span></li>
            <li class="chapters-list-item"><span class="chapters-time">29:54</span><span class="chapters-text">Ordering 3D printing - Top and bottom (1 color)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">31:36</span><span class="chapters-text">Ordering multicolor 3D printing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">34:01</span><span class="chapters-text">Paying for PCB and Assembly</span></li>
            <li class="chapters-list-item"><span class="chapters-time">34:40</span><span class="chapters-text">Submitting order for 3D printing and CNC</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:46</span><span class="chapters-text">After ordering: Check placement, Confirm 3D printing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">39:03</span><span class="chapters-text">Ordering the missing components</span></li>
            <li class="chapters-list-item"><span class="chapters-time">47:05</span><span class="chapters-text">How to build the keyboard together</span></li>
            <li class="chapters-list-item"><span class="chapters-time">49:50</span><span class="chapters-text">Pay for 3D printing and CNC</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:37</span><span class="chapters-text">Save the current version of project</span></li>
            <li class="chapters-list-item"><span class="chapters-time">51:08</span><span class="chapters-text">Where to download everything</span></li>
            <li class="chapters-list-item"><span class="chapters-time">53:08</span><span class="chapters-text">Uploading firmware and configuring keyboard</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:27</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 | Part 7: Manufacturing

<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/4v2gWze6xi4" 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">00:17</span><span class="chapters-text">Creating the box</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:38</span><span class="chapters-text">Opening for keys</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:55</span><span class="chapters-text">Openings around encoder</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:33</span><span class="chapters-text">Openings for LEDs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:30</span><span class="chapters-text">Opening for USB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:10</span><span class="chapters-text">Adding pillars for screws - TOP</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:01</span><span class="chapters-text">Adding pillars for screws - BOTTOM</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:38</span><span class="chapters-text">Adding support to prevent PCB bending</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:03</span><span class="chapters-text">Exporting and 3D printing the case</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:39</span><span class="chapters-text">Adding a hole for button</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:53</span><span class="chapters-text">Adjusting screw pillars</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:06</span><span class="chapters-text">Generate 3D stl files</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:22</span><span class="chapters-text">Printing PCB on paper</span></li>
            <li class="chapters-list-item"><span class="chapters-time">29:40</span><span class="chapters-text">Adding License to schematic</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:17</span><span class="chapters-text">Adding links and list of items to build the keyboard</span></li>
            <li class="chapters-list-item"><span class="chapters-time">31:48</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 | Part 6: Case / Box design

<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/5Ca0Eah7eKI" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Change the way how you look at powers on your board.
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item">
                <span class="chapters-time">08:11</span><span class="chapters-text">Pdn Impedance Graph</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">09:29</span><span class="chapters-text">Ac Analysis</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">11:28</span><span class="chapters-text">Component Models</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">17:16</span><span class="chapters-text">Pdn Impedance</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">28:44</span><span class="chapters-text">Critical Frequency</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">39:53</span><span class="chapters-text">Circuit Element Equivalents</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">44:45</span><span class="chapters-text">The Impedance of an Inductor</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">46:05</span><span class="chapters-text">Impedance versus Frequency for an Inductor</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">46:47</span><span class="chapters-text">Impedance of an Ideal Capacitor</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/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/?originalSubdomain=at">Florian Hämmerle</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/eric-bogatin-368860/">Eric Bogatin</a></li>
        </ul>
    </div>   
</div>


PCB Layout & Decoupling – Explained why it’s so complicated (Part 1)

<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/4nEd1jTTIUQ" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        I always wanted to see if for higher frequencies currents really flow under signals. And, here it is …
    </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-current-return-path">Download Altium & Simulation files</a></li>
        </ul>
    </div>   
</div>


Does Return Current Flow Under Signals? Watch these examples …

<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/Tt8X6_maj6c" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        When capacitor is an inductor …
    </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.wikihow.com/Calculate-Impedance">Calculating Impedance Webpage</a></li>
            <li class="links-list-item"><a href="https://youtu.be/YLGrugmDvc0">Series Resonance in RLC Circuit</a></li>
        </ul>
    </div>   
</div>


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PCB Layout & Decoupling – Understanding Impedance (Part 2)

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Do You Design Connector Pinout Correctly? | Eric Bogatin

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