<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/VGY1qFE-kC0" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
I come up with this a long time ago and keep using it all the time.
    </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>

Useful TIP: What Track Width To Use When Routing 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/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="blog-content">
        <ol class="content-list">
            <li class="content-list-item"><span class="content-text"><b>Specify the basics</b><br>
                For example: You want a cheap ARM processor, at least 300MHz with DDR3 interface</span></li>
            <li class="content-list-item"><span class="content-text"><b>Answer this question: Which is the most unusual peripheral I need?</b><br>
                For example: HDMI interface</span></li>
            <li class="content-list-item"><span class="content-text"><b>Go to a supplier website and do the search</b><br>
                For example: <a href="http://www.digikey.com">http://www.digikey.com</a> -> Product Index > Integrated Circuits (ICs) > Embedded – Microcontrollers</span></li>
            <li class="content-list-item"><span class="content-text"><b>Select the unusual peripheral:</b><br>
                Peripherals -> HDMI</span></li>
            <li class="content-list-item"><span class="content-text"><b>Order Ascending by price for 1000 pieces</b><br>
                <div class="blog-content-img-wrapper">
                    <a href="https://assets.fedevel.com/blog/2019/10/6a9f5-processor-selection.png" target="_blank"><img src="https://assets.fedevel.com/blog/2019/10/6a9f5-processor-selection.png" alt="Processor selection" /></a>
                </div>
                If you don’t have any special peripheral, search for:<br>
                Processor core: ARM<br>
                Speed: at least 300MHz<br>
                Industrial temperature: at least -40C</span></li>
            <li class="content-list-item"><span class="content-text"><b>Check datasheet & manufacturer website</b></span></li>
            <li class="content-list-item"><span class="content-text"><b>Select the processor most suitable for your application.</b></span></li>
        </ol>
    </div>

    <div class="blog-content">
        <h2 class="blog-content-heading">Be careful about</h2>
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text"><b>In stock checkbox</b> – this can eliminate the cheapest variants from the list, so the results will not be accurate. On the other site, be sure, you can buy the component you finally choose.</span></li>
            <li class="content-list-item"><span class="content-text"><b>Category selection</b> e.g. Processor / Microcontroller. Suppliers sometimes mix these chips together, look in both categories.</span></li>
            <li class="content-list-item"><span class="content-text"><b>Hardware development support</b> – be sure, the selected chip has free reference schematics with PCB and available development kits in reasonable price</span></li>
            <li class="content-list-item"><span class="content-text"><b>Software support</b> – be sure, the selected chip has a good software support with code examples. Additional software development can cause delays or increase cost significantly.</span></li>
            <li class="content-list-item"><span class="content-text"><b>Good documentation</b> is advantage.</span></li>
            <li class="content-list-item"><span class="content-text"><b>Community support</b> is plus.</span></li>
        </ul>
    </div>
</div>

How to select Processor / Microcontroller for your 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/8GpsPRjvUXk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        This video explains difference in layout between DDR3 (fly-by topology) and DDR2 (T-branch topology). This short video is a part of Advanced PCB Layout Course.
    </div> 
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.fedevel.com/welldoneblog/2011/02/ddr-ddr2-ddr3-pcb-layout-examples/">Download the layout examples</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses/advanced-pcb-layout-course">Advanced PCB Layout Course</a></li>
        </ul>
    </div> 
</div>


DDR2 & DDR3 layout difference

<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/y22Ia6gJDr8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        I had to remove one chip, so I took a short video about it. You may find it useful. Simple technique to remove a small chip with Exposed pad.
    </div> 
</div>


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Easy desoldering of 8-pin DFN with Exposed pad

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Useful TIP: What Track Width To Use When Routing PCB?

Can AI Read Schematic And Write Software For Your Boards?

Do you also make these mistakes in PCB Layout?

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