<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/fFI33f4TejM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Ken Burns has published 7 hardware projects on Kickstarter. He explains how it works.
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://tinycircuits.com/">Ken's company TinyCircuits</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Can You Make Money on Kickstarter HW Projects?

<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/2oA4X3OTz0M" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Interesting experiments and examples to help you to understand ground layout in PCB. Explained by Hans Rosenberg
    </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">00:19</span><span class="chapters-text">Currents flow under track</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:10</span><span class="chapters-text">What happen when you are making a board</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:37</span><span class="chapters-text">Where currents flow</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:01</span><span class="chapters-text">Experiment: Cut under track</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:51</span><span class="chapters-text">Floating copper fill</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:15</span><span class="chapters-text">Grounded copper fill</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:04</span><span class="chapters-text">Experiment: Filter</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:05</span><span class="chapters-text">2 Layer vs. 4 Layer</span></li>
            <li class="chapters-list-item"><span class="chapters-time">44:00</span><span class="chapters-text">3 rules to prevent ground problems</span></li>
            <li class="chapters-list-item"><span class="chapters-time">46:05</span><span class="chapters-text">Example: Ground plane</span></li>
            <li class="chapters-list-item"><span class="chapters-time">49:52</span><span class="chapters-text">Example: 1 VIA per GND pin</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:46</span><span class="chapters-text">Example: Gap in GND plane</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:02:00</span><span class="chapters-text">Example: FPGA board redesign</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:05:16</span><span class="chapters-text">Star grounding</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:07:39</span><span class="chapters-text">Multiple ground planes</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:14:30</span><span class="chapters-text">Example: Digital and Analog on one board</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:16:40</span><span class="chapters-text">About Hans</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.youtube.com/@HansRosenberg74">Hans´ YouTube</a></li>
            <li class="links-list-item"><a href="https://www.hans-rosenberg.com/">Hans´ website</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Examples of BAD Ground in PCB Layout And How to Fix It

<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/X-qubBLJDD8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
What will happen if you don't have enough GND pins on your connector?
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.colorado.edu/faculty/bogatin/">About Eric</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Do You Design Connector Pinout Correctly? | Eric Bogatin

<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/FqT_Ofd54fo" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        How to determine and calculate appropriate component values for a switching regulator (buck converter in this example). Including sizing of input/output capacitors, inductor, rectifier diode, and feedback network.
    </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">Introduction</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:51</span><span class="chapters-text">Buck Converter Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:32</span><span class="chapters-text">Requirements Specification</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:16</span><span class="chapters-text">Distributor Part Search</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:54</span><span class="chapters-text">Maximum Switching Current</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:52</span><span class="chapters-text">Inductor Selection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:08</span><span class="chapters-text">Effect of Switcher Parametsr on Inductor Size</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:54</span><span class="chapters-text">Diode Selection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:36</span><span class="chapters-text">Input/Output Capacitor Selection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:58</span><span class="chapters-text">Feedback Network</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:18</span><span class="chapters-text">Effect of Feedback Network Tolerance on Output Voltage</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:00</span><span class="chapters-text">Schematic Implementation</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.youtube.com/watch?v=AmfLhT5SntE&ab_channel=Phil%E2%80%99sLab">Switching regulator layout video</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=gq-0ZpcGm8E&ab_channel=OptimumDesignAssociates">Switching power supply PCB layout seminar</a></li>


            <li class="links-list-item"><a href="https://fedevel.com/courses/mixed-signal-hardware-design-with-kicad">Mixed-signal Hardware Design course</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

Switching Regulator Component Selection & Sizing - Phil's Lab #71

<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/yQIBS5xwvVQ" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Watch this animation to understand better how a signal is lost when travelling through a VIA.
    </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">01:14</span><span class="chapters-text">Example 1: Single ended, no stitching VIA</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">06:08</span><span class="chapters-text">Example 2: Single ended, 1 stitching VIA</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:17</span><span class="chapters-text">Example 3: Single ended, 2 and 6 stitching VIAs</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">12:43</span><span class="chapters-text">VIA Analyzer – How far we can place stitching VIAs and how many we need</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">16:50</span><span class="chapters-text">Post layout analyzes</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">21:14</span><span class="chapters-text">Changing VIA impedance</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">32:45</span><span class="chapters-text">Example 4: Differential pair, no stitching VIA</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">36:10</span><span class="chapters-text">Example 5: Differential pair, 2 stitching VIAs</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">48:18</span><span class="chapters-text">1x VIA + 1x stitching VIA return current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">55:20</span><span class="chapters-text">About the software we were using + Prices</span>
            </li>
        </ul>
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/vrt3lL5gEb0">Unexpected Currents On The Other Side Of GND Plane</a></li>
            <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 website</a></li>
        </ul>
    </div>   
</div>


NOT in the Copper! 3D Animation of a Signal Through a VIA | Yuriy Shlepnev

<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/VlCYI2U-qyM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        How to flash firmware via USB to STM32 devices via DFU (device firmware upgrade) and STM32 Cube Programmer. This way you do not need an ST-Link or similar programmer to flash firmware - however, you cannot set breakpoints, debug, and so on. <br>
        Note: this is only supported on certain STM32 microcontrollers (check the datasheet!).
    </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">Introduction</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:43</span><span class="chapters-text">JLCPCB and Git Repo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:08</span><span class="chapters-text">STM32 DFU Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:58</span><span class="chapters-text">Test Firmware</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:38</span><span class="chapters-text">Generating Binaries</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:19</span><span class="chapters-text">STM32CubeProgrammer and Flashing (BOOT0=1)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:37</span><span class="chapters-text">Run Mode (BOOT0=0)</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.tag-connect.com/product/tc2030-idc-nl">Tag-Connect SWD Probe</a></li>


            <li class="links-list-item"><a href="https://fedevel.com/courses/mixed-signal-hardware-design-with-kicad">Mixed-signal Hardware Design course</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

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