<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="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/sKOUOU-hVEs" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
This video will help you to understand eye diagrams. Thank you very much Tim Wang Lee
    </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">00:17</span><span class="chapters-text">How eye diagram is created and why it´s useful</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:35</span><span class="chapters-text">How reflections influence eye diagram shape</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:17</span><span class="chapters-text">Simulating reflections and checking eye diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:19</span><span class="chapters-text">How crosstalk influences eye diagram shape</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:36</span><span class="chapters-text">Simulating crosstalk and checking eye diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:09</span><span class="chapters-text">How loss influences eye diagram shape</span></li>
            <li class="chapters-list-item"><span class="chapters-time">41:13</span><span class="chapters-text">Simulating loss and checking eye diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:32</span><span class="chapters-text">Equalization explained</span></li>
            <li class="chapters-list-item"><span class="chapters-time">57:53</span><span class="chapters-text">CTLE Equalization</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:49</span><span class="chapters-text">FFE Equalization</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:02:19</span><span class="chapters-text">DFE Equalization</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.keysight.com/find/ads-si-workshop">Learn more about Signal Integrity with ADS</a></li>
            <li class="links-list-item"><a href="https://www.keysight.com/us/en/products/software/pathwave-design-software.html">Get a head start with Electronic Design Automation</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/timwanglee/">Connect with Tim</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

What does an eye diagram show? Here is how you recognize problems - reflections, crosstalk and loss

<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/Rr9NBtrA4t4" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Watch how differential pair signals are travelling through a PCB. Thank you very much Yuriy Shlepnev 
    </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">00:33</span><span class="chapters-text">Differential pairs routed on top / bottom, THIN PCB, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:56</span><span class="chapters-text">3W, Top / Bottom</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:17</span><span class="chapters-text">THICK PCB, Top / Bottom</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:49</span><span class="chapters-text">No GND plane</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:01</span><span class="chapters-text">Differential pairs inside of PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:30</span><span class="chapters-text">3D animation, top/bottom, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">48:51</span><span class="chapters-text">3D animation, top/bottom, 3W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">57:12</span><span class="chapters-text">3D animation, inside of PCB, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:40</span><span class="chapters-text">3D animation, inside of PCB, 3W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:21</span><span class="chapters-text">Crosstalk examples</span></li>
    </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/yuriy-shlepnev-7b39136/">Yuriy's LinkedIn</a></li>
            <li class="links-list-item"><a href="https://www.simberian.com/">Yuriy's company</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Watch Differential Pair Fields and Currents in 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/pKD4kBWA5cw" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        An inspiring story about how Sam designed and built his own smartwatch from scratch. You can do it too … design your own dreams.
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item">
                <span class="chapters-time">04:49</span><span class="chapters-text">Schematic</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">05:38</span><span class="chapters-text">Charger</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">08:02</span><span class="chapters-text">Vibration Motor</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">08:50</span><span class="chapters-text">Display</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">14:20</span><span class="chapters-text">Components</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">45:17</span><span class="chapters-text">Antenna</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">48:06</span><span class="chapters-text">How Do You Know that the Antenna is Fine</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">49:44</span><span class="chapters-text">Acceleromater</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">50:26</span><span class="chapters-text">Accelerometer</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">1:05:42</span><span class="chapters-text">Apple Notification Center Service</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">1:06:04</span><span class="chapters-text">Notification Point</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.instagram.com/samsonmarch">Sam´s instagram</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/samson-march/">Sam´s LinkedIn</a></li>
            <li class="links-list-item"><a href="https://twitter.com/Samson_March">Sam´s Twitter</a></li>
            <li class="links-list-item"><a href="https://github.com/S-March/smarchWatch_PUBLIC/">Github</a></li>
        </ul>
    </div>    
    <div class="blog-content-links">
        <div>
            Links from the video:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://imgur.com/gallery/FSBwD3g">Original post</a></li>
            <li class="links-list-item"><a href="https://www.infineon.com/dgdl/Infineon-PSoC_4_4200_BLE_Family_Datasheet_Programmable_System-on-Chip-DataSheet-v01_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0ee5f2a26ddd&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-files&redirId=File_4_0_721">PSOC 4</a></li>
            <li class="links-list-item"><a href="https://www.renesas.com/eu/en/products/wireless-connectivity/bluetooth-low-energy/da14682-smartbond-bluetooth-low-energy-50-soc-enhanced-security-and-flash">DIALOG website</a></li>
            <li class="links-list-item"><a href="https://www.amazon.com/AMELIN-Lightness-240x240-round-display/dp/B079HV5MVP">Display on AMAZON</a></li>
            <li class="links-list-item"><a href="https://images-na.ssl-images-amazon.com/images/I/91wbMasrSfL.pdf">Display Datasheet</a></li>
            <li class="links-list-item"><a href="https://newhavendisplay.com/content/datasheets/ST7789V.pdf">Display Driver datasheet (ST7789V)</a></li>
            <li class="links-list-item"><a href="https://www.amazon.com/Monoprice-Calibration-Assembled-Preloaded-Printable/dp/B07CJQ3D6L">Mini Delta 3D Printer</a></li>
            <li class="links-list-item"><a href="https://www.autodesk.com/products/fusion-360/personal">Fusion 360</a></li>
            <li class="links-list-item"><a href="https://www.esslinger.com/watch-crystals/">Glass</a></li>
            <li class="links-list-item"><a href="https://www.pcbway.com/multi-layer-laminated-structure.html">PCB Way stackups</a></li>
            <li class="links-list-item"><a href="https://www.amazon.com/SMTHouse-Infrared-Soldering-Machine-Automatic/dp/B0152FTXN2">Reflow oven T962</a></li>
            <li class="links-list-item"><a href="https://www.digikey.com/en/products/detail/segger-microcontroller-systems/8.08.91-J-LINK-EDU-MINI/7387472">JTAG EDU</a></li>
            <li class="links-list-item"><a href="https://youtu.be/tizClSFVHnQ">My Bluetooth project video</a></li>
            <li class="links-list-item"><a href="https://www.reddit.com/r/DIY/comments/bivyok/i_made_a_smartwatch_from_scratch/">Original Reddit post</a></li>
            <li class="links-list-item"><a href="https://consent.yahoo.com/v2/collectConsent?sessionId=3_cc-session_ade03cc2-c84b-4382-8d22-c723d2b212f7">Original Engadget article</a></li>
        </ul>
    </div>    
</div>


Open Source Smartwatch – Samson March

<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/i2BxPHTeHC4" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        In this video, you will create and setup your own Altium Database Library using Altium + ODBC + MySQL server on Amazon AWS.
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://learn.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist?view=msvc-170">If you are getting an error when installing ODBC driver, try to install MS Visual C++ Redistributable, it worked for me</a></li>
        </ul>
    </div>   
</div>


How to create & setup Altium Database Library – Step by Step

<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/lu_khBnc6VE" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Cool software which shows Board and Layout information on top of a real board.
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.inspectar.com/">Company</a></li>
            <li class="links-list-item"><a href="https://designhelp.fedevel.com/forum/test/other-aa/11614-augmented-reality-circuit-board-visualizer">Forum</a></li>
        </ul>
    </div>   
</div>


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

What does an eye diagram show? Here is how you recognize problems - reflections, crosstalk and loss

Watch Differential Pair Fields and Currents in PCB

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