<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/gHC7uZBigmQ" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
I asked AI to write software for my board. This is what happened ...
    </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">00:52</span><span class="chapters-text">Uploading board info to AI</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:02</span><span class="chapters-text">Generating test code</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:35</span><span class="chapters-text">Generating the basic CLOCK code</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:06</span><span class="chapters-text">Generating code for Timer feature</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:49</span><span class="chapters-text">Generating code for Stopwatch feature</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:16</span><span class="chapters-text">Testing the finished code</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:24</span><span class="chapters-text">Problems when creating the code</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:11</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>

Can AI Read Schematic And Write Software For Your Boards?

<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/-luLIJqURlY" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
I challenged a software engineer to design his very first PCB. What happened?
    </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">00:50</span><span class="chapters-text">Arduino compatibility</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:28</span><span class="chapters-text">Switch</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:16</span><span class="chapters-text">Text</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:06</span><span class="chapters-text">LEDs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:52</span><span class="chapters-text">Board name and version</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:16</span><span class="chapters-text">Spread the tracks</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:24</span><span class="chapters-text">Connector names</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:00</span><span class="chapters-text">Horizontal / Vertical routing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:07</span><span class="chapters-text">Net Color</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:10</span><span class="chapters-text">Track width</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:09</span><span class="chapters-text">2 Layer vs 4 layer PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">25:22</span><span class="chapters-text">VIAs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:10</span><span class="chapters-text">Placement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:55</span><span class="chapters-text">VIAs on power and GND</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:47</span><span class="chapters-text">Power regulators</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:40</span><span class="chapters-text">Stitching capacitors and VIAs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">38:09</span><span class="chapters-text">Through hole pins and thermal relief</span></li>
            <li class="chapters-list-item"><span class="chapters-time">41:30</span><span class="chapters-text">USB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:37</span><span class="chapters-text">Clearance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:36</span><span class="chapters-text">Critical signals</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:15</span><span class="chapters-text">Make it look nice</span></li>
            <li class="chapters-list-item"><span class="chapters-time">56:10</span><span class="chapters-text">Reference designators</span></li>
            <li class="chapters-list-item"><span class="chapters-time">57:11</span><span class="chapters-text">DRC checks</span></li>
            <li class="chapters-list-item"><span class="chapters-time">59:25</span><span class="chapters-text">Does it work?</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>

Do you also make these mistakes in PCB Layout?

<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/YzBtfN1LQtM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span></div><div class="blog-content"> I challenged a software engineer to design his very first PCB. What happened?</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">The challenge</span></li><li class="chapters-list-item"><span class="chapters-time">01:01</span><span class="chapters-text">Schematic page</span></li><li class="chapters-list-item"><span class="chapters-time">03:46</span><span class="chapters-text">STM32</span></li><li class="chapters-list-item"><span class="chapters-time">10:18</span><span class="chapters-text">Power</span></li><li class="chapters-list-item"><span class="chapters-time">21:50</span><span class="chapters-text">Power LED</span></li><li class="chapters-list-item"><span class="chapters-time">23:29</span><span class="chapters-text">Boot and Reset</span></li><li class="chapters-list-item"><span class="chapters-time">27:47</span><span class="chapters-text">Crystal</span></li><li class="chapters-list-item"><span class="chapters-time">30:58</span><span class="chapters-text">USB</span></li><li class="chapters-list-item"><span class="chapters-time">33:59</span><span class="chapters-text">Arduino headers and User LED</span></li><li class="chapters-list-item"><span class="chapters-time">36:49</span><span class="chapters-text">SWI and UART connectors</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>

Is this really how beginners design boards??? | Schematic Review

<div class="entry-content">

    <div class="blog-content">
        Here is the PCB stackup what I normally start with + requirements for minimum VIA, track, clearance and impedances.
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text"><b>12 Layers:</b>
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">L1 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L2 – GND</span></li>
                    <li class="content-list-item"><span class="content-text">L3 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L4 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L5 – GND</span></li>
                    <li class="content-list-item"><span class="content-text">L6 – Powers</span></li>
                    <li class="content-list-item"><span class="content-text">L7 – Powers</span></li>
                    <li class="content-list-item"><span class="content-text">L8 – GND</span></li>
                    <li class="content-list-item"><span class="content-text">L9 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L10 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L11 – GND</span></li>
                    <li class="content-list-item"><span class="content-text">L12 – Signal</span></li>
                </ul>       
            </span></li>
            <li class="content-list-item"><span class="content-text"><b>Required impedances</b>
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">Single ended: 50 OHMs (all signal layers)</span></li>
                    <li class="content-list-item"><span class="content-text">Differential: 70, 90 and 100 OHMs (all signal layers)</span></li>
                </ul>       
            </span></li>
            <li class="content-list-item"><span class="content-text"><b>Other requirements</b>
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">Minimum through-hole VIA: 0.45mm (pad) / 0.2mm (drill)</span></li>
                    <li class="content-list-item"><span class="content-text">Minimum track / clearance: 0.1 mm / 0.1 mm (more expensive PCB: 0.075mm / 0.075mm)</span></li>
                </ul>       
            </span></li>
            <li class="content-list-item"><span class="content-text"><b>If uVIAs are used</b>
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">uVIA: 0.25mm (pad) / 0.1mm (laser drilled hole)</span></li>
                    <li class="content-list-item"><span class="content-text">buried VIA: 0.45mm (pad) / 0.2mm (drill)</span></li>
                </ul>       
            </span></li>
        </ul>
     </div>

    <div class="blog-content-text">
        I also found useful information about HDI stackups in this Mentor document: <a href="http://www.mentor.com/pcb/resources/overview/hdi-layer-stackups-for-large-dense-pcbs-723df14d-88f7-4e34-b47f-178d8c69ba1b" >HDI Layer Stackups for Large Dense PCBs</a><br><br>

        HDI PCB technology comparison (picture from the Mentor document)
    </div>

    
    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/3ef7e-stackup_example.jpg" alt="stackup_example" />
    </div>

    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.mentor.com/pcb/resources/overview/hdi-layer-stackups-for-large-dense-pcbs-723df14d-88f7-4e34-b47f-178d8c69ba1b" >HDI Layer Stackups for Large Dense PCBs</a></li>
        </ul>
    </div>  
</div>

PCB stackup example – minimum track, clearance, VIA …

<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/yjFuTdVEd7Q" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Short tutorial which describes how to start using Cadence Allegro. Explains basic commands and how to:
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text">highlight / de-highlight net</span></li>
            <li class="content-list-item"><span class="content-text">switch between layers</span></li>
            <li class="content-list-item"><span class="content-text">get information about a component</span></li>
            <li class="content-list-item"><span class="content-text">measure</span></li>
            <li class="content-list-item"><span class="content-text">move objects</span></li>
            <li class="content-list-item"><span class="content-text">delete</span></li>
            <li class="content-list-item"><span class="content-text">route</span></li>
            <li class="content-list-item"><span class="content-text">slide tracks …</span></li>
        </ul>
    </div>
</div>


How to start with Cadence Allegro – Very simple tutorial

<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/gL1oSBMsLn8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        This video shows how to modify polygon pour edges in Altium Designer.
    </div>
</div>


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