<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/zivJImIyFLI" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
This video helps you to decide which one to use. Thank you very much Frida Gail Rojas Contreras
    </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">00:24</span><span class="chapters-text">About Frida</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:47</span><span class="chapters-text">Wireless protocols overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:24</span><span class="chapters-text">Bluetooth generations and BLE</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:46</span><span class="chapters-text">Speed</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:56</span><span class="chapters-text">Range</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:25</span><span class="chapters-text">Power consumption</span></li>
            <li class="chapters-list-item"><span class="chapters-time">25:52</span><span class="chapters-text">Modulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:22</span><span class="chapters-text">Channel access</span></li>
            <li class="chapters-list-item"><span class="chapters-time">36:14</span><span class="chapters-text">Latency</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:50</span><span class="chapters-text">Maximum connections</span></li>
            <li class="chapters-list-item"><span class="chapters-time">44:11</span><span class="chapters-text">Security</span></li>
            <li class="chapters-list-item"><span class="chapters-time">47:24</span><span class="chapters-text">Current standards and Primary use cases</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:47</span><span class="chapters-text">Modem communication</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:27</span><span class="chapters-text">Firmware architecture layers</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:02:38</span><span class="chapters-text">Key wireless protocol features</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:04:11</span><span class="chapters-text">Processing memory requirements</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:21</span><span class="chapters-text">Development integration considerations</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:10:33</span><span class="chapters-text">Wireless integration failure modes</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:19:21</span><span class="chapters-text">Real-world case studies</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:23:29</span><span class="chapters-text">How to prevent wireless integration failures</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:26:35</span><span class="chapters-text">How to choose a wireless protocol</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:35:26</span><span class="chapters-text">Final thoughts</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:38:30</span><span class="chapters-text">Outro</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/gailroco/">Frida's LinkedIn</a></li>
            <li class="links-list-item"><a href="https://docs.google.com/forms/d/e/1FAIpQLSf1XeGQZQfP1SK2IIJJ2RDUrI0G2zy0QehDHxjHA2EUdNwUlQ/viewform">FEDEVEL Community Membership</a></li>
            
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
            <li class="links-list-item"><a href="https://discord.com/invite/8a8dUcHmrx">Ask questions on our FEDEVEL Discord</a></li>
        </ul>
    </div>  
</div>

Comparing Bluetooth vs. WiFi vs. Cellular - Speed, Distance, Power ...

<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/2QXDinW_yKM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Walking through a company in China that solders components on PCBs. Recorded in SenRuiDa.
    </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">00:41</span><span class="chapters-text">Solder paste and stencils</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:39</span><span class="chapters-text">Pick and Place machines</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:14</span><span class="chapters-text">Oven - Reflow soldering</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:16</span><span class="chapters-text">AOI - Automated optical inspection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:56</span><span class="chapters-text">X-Ray machine</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:53</span><span class="chapters-text">Through hole components soldering</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:18</span><span class="chapters-text">Wave soldering</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:55</span><span class="chapters-text">Removing individual boards from panel</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:35</span><span class="chapters-text">Conformal coating</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:00</span><span class="chapters-text">Board testing</span></li>
    </div>


    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://senruidapcba.com/">SenRuiDa</a></li>            
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Factory Tour in China - How Boards Are Made | SenRuiDa PCBA

<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/CTPb7etzOmA" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
The essential information about FCC and CE explained. Thank you very much Clemens Mayer.
    </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">01:28</span><span class="chapters-text">Why is this topic important?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:05</span><span class="chapters-text">Overview of the video</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:29</span><span class="chapters-text">What the FCC considers a module</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:37</span><span class="chapters-text">Difference between FCC and CE</span></li>
            <li class="chapters-list-item"><span class="chapters-time">22:50</span><span class="chapters-text">Where to find compliance documents and standards</span></li>
            <li class="chapters-list-item"><span class="chapters-time">28:11</span><span class="chapters-text">How to know which certification your product needs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">33:46</span><span class="chapters-text">Lab report vs. Declaration of conformity</span></li>
            <li class="chapters-list-item"><span class="chapters-time">38:30</span><span class="chapters-text">Sub-assemblies</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:10</span><span class="chapters-text">Steps to EU compliance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:27</span><span class="chapters-text">Self-certification</span></li>
            <li class="chapters-list-item"><span class="chapters-time">47:04</span><span class="chapters-text">Misuse of CE marking</span></li>
            <li class="chapters-list-item"><span class="chapters-time">51:07</span><span class="chapters-text">Costs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">52:02</span><span class="chapters-text">How to obtain CE marking</span></li>
            <li class="chapters-list-item"><span class="chapters-time">57:07</span><span class="chapters-text">Pre-compliance testing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:00:56</span><span class="chapters-text">When does a module make sense?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:07:24</span><span class="chapters-text">Compliance is more than RED and EMC</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:14:15</span><span class="chapters-text">Own pre-compliance setup</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:17:03</span><span class="chapters-text">Example: Arduino compatible Devkit with ESP32</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:30:03</span><span class="chapters-text">Example: Bluetooth connected action camera</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:34:46</span><span class="chapters-text">Example: Long range Wifi Door Alarm</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:37:30</span><span class="chapters-text">Example: Dancing Robot Kit</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:45:21</span><span class="chapters-text">How to figure it out for your product</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:49:04</span><span class="chapters-text">Who can help with certification</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:56:03</span><span class="chapters-text">How Smander can help</span></li>
            <li class="chapters-list-item"><span class="chapters-time">2:00:49</span><span class="chapters-text">Outro</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/mayermakes/">Clemens´ LinkedIn</a></li>
            <li class="links-list-item"><a href="https://smander.com/">Clemens´ company</a></li>
            <li class="links-list-item"><a href="https://early.smander.com/individual-consultation-session/">Consultation</a></li>
            <li class="links-list-item"><a href="https://europa.eu/youreurope/business/product-requirements/labels-markings/ce-marking/">CE marking</a></li>
            <li class="links-list-item"><a href="https://docs.google.com/forms/d/e/1FAIpQLSf1XeGQZQfP1SK2IIJJ2RDUrI0G2zy0QehDHxjHA2EUdNwUlQ/viewform">FEDEVEL Community Membership</a></li>
            
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
            <li class="links-list-item"><a href="https://discord.com/invite/8a8dUcHmrx">Ask questions on our FEDEVEL Discord</a></li>
        </ul>
    </div>  
</div>

Everyone designing PCB boards needs to watch this - Certification ( FCC & CE )

<div class="entry-content">

    <div class="blog-content">
        DDR, DDR2 and DDR3 memory reference layouts can be found on <a href="http://www.jedec.org/standards-documents/technology-focus-areas/memory-module-design-file-registrations">JEDEC website</a>. They provide schematics and PCB brd files (requires registration). It’s very useful to see how JEDEC does the layout.
    </div>

    <div class="blog-content-text">
        For example see difference in address routing (yellow colour) for DDR2 (T-branch topology) and DDR3 (fly-by topology) :
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text"><b><a href="https://www.jedec.org/standards-documents/focus/memory-module-designs-dimms/DDR2/240-pin Unbuffered DIMMs">Design Files for DDR2 240-pin Unbuffered DIMMs</a></b>
        </ul>       
    </div>
    
    <div class="blog-content-text">
        <i>Picture: <a href="http://www.jedec.org/sites/default/files/docs/design/DDR2/PC2-6400_UDIMM_V12_RC_H0_20050803.zip">DDR2 2 Rank x16 example</a></i>
    </div>
    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/0dcbd-ddr2-layout-example.jpg" alt="DDR2 layout example" />
    </div>

    <div class="blog-content-text">
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text"><b><a href="http://www.jedec.org/standards-documents/focus/memory-module-designs-dimms/DDR3/240-pin Unbuffered DIMMs">Design Files for DDR3 240-pin Unbuffered DIMMs</a></b>
        </ul>       
    </div>
    
    <div class="blog-content-text">
        <i>Picture: <a href="http://www.jedec.org/sites/default/files/docs/design/DDR3/PC3_10600_UDIMM_V050_RC_F0_20070530.zip">DDR3 2 Rank x16 planar example</a></i>
    </div>
    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/ea62b-ddr3-layout-example.jpg" alt="DDR3 layout example" />
    </div>

    <div class="blog-content-text">
        You will need <a href="http://www.cadence.com/products/pcb/Pages/downloads.aspx">Allegro FREE Physical Viewer</a> (free, but requires registration) to open the brd files. In case you have never used Allegro before, you may want to watch <a href="https://fedevel.com/blog/very-simple-tutorial-how-to-start-with-cadence-allegro/">Very simple tutorial – How to start with Cadence Allegro</a>.
    </div>

    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.jedec.org/standards-documents/technology-focus-areas/memory-module-design-file-registrations">JEDEC website</a></li>
            <li class="links-list-item"><a href="http://www.jedec.org/standards-documents/focus/memory-module-designs-dimms/DDR3/240-pin Unbuffered DIMMs">Design Files for DDR3 240-pin Unbuffered DIMMs</a></li>
            <li class="links-list-item"><a href="http://www.jedec.org/sites/default/files/docs/design/DDR2/PC2-6400_UDIMM_V12_RC_H0_20050803.zip">DDR2 2 Rank x16 example</a></li>
            <li class="links-list-item"><a href="http://www.jedec.org/standards-documents/focus/memory-module-designs-dimms/DDR3/240-pin Unbuffered DIMMs">Design Files for DDR3 240-pin Unbuffered DIMMs</a></li>
            <li class="links-list-item"><a href="http://www.jedec.org/sites/default/files/docs/design/DDR3/PC3_10600_UDIMM_V050_RC_F0_20070530.zip">DDR3 2 Rank x16 planar example</a></li>
            <li class="links-list-item"><a href="http://www.cadence.com/products/pcb/Pages/downloads.aspx">Allegro FREE Physical Viewer</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/blog/very-simple-tutorial-how-to-start-with-cadence-allegro/">Very simple tutorial – How to start with Cadence Allegro</a></li>
        </ul>
    </div>  
</div>

DDR, DDR2 and DDR3 – PCB layout 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/UY85TcRfZO8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Do you use generic symbols in your schematic (for example one resistor for all different values)? Maybe you could watch this video.
    </div>
</div>


Altium Designer – Benefits of integrated library

<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/JS_VWGzVRbY" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        This video compares process of schematic checking between Orcad and Altium Designer.
    </div>
</div>


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Comparing Bluetooth vs. WiFi vs. Cellular - Speed, Distance, Power ...

Factory Tour in China - How Boards Are Made | SenRuiDa PCBA

Everyone designing PCB boards needs to watch this - Certification ( FCC & CE )

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