<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="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/Rfsq0EwJ5Xs" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        How to check pin connections of a chip and what to be careful about.
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://designhelp.fedevel.com/forum/test/pcb-layout/10466-hdmi-connection">Original project can be downloaded from here</a></li>
        </ul>
    </div>    
</div>


How to Draw Schematic & Tips to Improve Schematic – Checking Pin Connections (Part 2)

<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/qJd_BMDNfrk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        How to redirect high speed interfaces, about decoupling the chips and connectors, about cables and connector pinout
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://designhelp.fedevel.com/forum/test/pcb-layout/10466-hdmi-connection">Original project can be downloaded from here</a></li>
        </ul>
    </div>    
</div>


| KNOWLEDGE BASE

A rich source of expert knowledge

How to Draw Schematic & Tips to Improve Schematic – Being careful (Part 3)

Newest Posts

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 )

Community membership

BUSINESS ADDRESS