<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/VBmuJfcMeFk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        This video will help you to start simulating your electronic circuits. Explained by Eric Bogatin
    </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">03:50</span><span class="chapters-text">Circuit simulator vs. Field solver</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:30</span><span class="chapters-text">Which simulator to learn</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:17</span><span class="chapters-text">Downloading Qucs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:30</span><span class="chapters-text">Starting a new simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:43</span><span class="chapters-text">Time domain simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:19</span><span class="chapters-text">Simulating impedance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">29:30</span><span class="chapters-text">Using parameters</span></li>
            <li class="chapters-list-item"><span class="chapters-time">32:00</span><span class="chapters-text">AC simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:37</span><span class="chapters-text">Explaining the results of simulations</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:40</span><span class="chapters-text">Simulating PCB tracks</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:18</span><span class="chapters-text">Simulating transmission line</span></li>
            <li class="chapters-list-item"><span class="chapters-time">55:48</span><span class="chapters-text">DesignCon</span></li>
    </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>

How to Start with Electronic Circuit Simulation for Free | 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/vnSX34YLjCo" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
About power supplies on motherboards and all related control and logic subsystems. Explained by Istvan Nagy
    </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">Types of power supplies</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:32</span><span class="chapters-text">Testing power supplies</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:36</span><span class="chapters-text">About power supply layout and voltage sense</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:23</span><span class="chapters-text">Output voltage</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:57</span><span class="chapters-text">Voltage regulator features</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:56</span><span class="chapters-text">CPLD</span></li>
            <li class="chapters-list-item"><span class="chapters-time">39:59</span><span class="chapters-text">Motherboard power subsystem example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:06</span><span class="chapters-text">Power sequencing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:30</span><span class="chapters-text">System management</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:03</span><span class="chapters-text">Sequencer chip</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:00:44</span><span class="chapters-text">FPGA</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:02:40</span><span class="chapters-text">Initialization sequence</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:08:01</span><span class="chapters-text">CPLD schematic page example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:10:24</span><span class="chapters-text">Power domains</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:18:44</span><span class="chapters-text">x86 Power stages</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:24:39</span><span class="chapters-text">Thermal protection and management</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:29:46</span><span class="chapters-text">Istvan's book</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.amazon.com/Complex-Digital-Hardware-Design-Istvan/dp/1032702087">Istvan´s Book</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

How Computer Motherboard Power Supplies Work

<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-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">03:15</span><span class="chapters-text">Starting with Kickstarter</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:00</span><span class="chapters-text">Kickstarter vs. Indiegogo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:49</span><span class="chapters-text">Calculating price for HW products</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:36</span><span class="chapters-text">Starting Kickstarter vs. Project status</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:11</span><span class="chapters-text">Preparing marketing materials</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:42</span><span class="chapters-text">Getting help with promotion</span></li>
            <li class="chapters-list-item"><span class="chapters-time">33:21</span><span class="chapters-text">Shipping thousands of products</span></li>
            <li class="chapters-list-item"><span class="chapters-time">37:34</span><span class="chapters-text">Goal amount</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:46</span><span class="chapters-text">Find people</span></li>
            <li class="chapters-list-item"><span class="chapters-time">46:02</span><span class="chapters-text">Board vs. Product</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:07</span><span class="chapters-text">Cost</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:51</span><span class="chapters-text">Do it because you enjoy it</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:20</span><span class="chapters-text">About Ken's company</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:57</span><span class="chapters-text">How to reach out to media</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:12:04</span><span class="chapters-text">Component sourcing </span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:15:45</span><span class="chapters-text">"Just" a board example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:18:02</span><span class="chapters-text">Product example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:23:14</span><span class="chapters-text">Community</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:27:28</span><span class="chapters-text">Advice</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:29:21</span><span class="chapters-text">... only lost 60k, but ...</span></li>
    </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/qMUzLU636s8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Guide on how to connect, check, program, and debug your custom STM32-based hardware via SWD and the ST-Link debugger utilizing STM32CubeIDE.
    </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">00:28</span><span class="chapters-text">ST-Link</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:08</span><span class="chapters-text">Hardware Connections</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:11</span><span class="chapters-text">ST-Link Utility (Checking that we can connect to STM32 MCU)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:37</span><span class="chapters-text">STM32CubeIDE (Programming and debugging software package)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:22</span><span class="chapters-text">Enabling SWD</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:04</span><span class="chapters-text">Setting up an external high-speed crystal (HSE)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:10</span><span class="chapters-text">Additional peripheral selection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:50</span><span class="chapters-text">LED blinking test code</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:44</span><span class="chapters-text">Building code and checking for compiler errors</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:02</span><span class="chapters-text">Debug configuration, debugging, and flashing via ST-Link</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:26</span><span class="chapters-text">Running, pausing, and setting breakpoints</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:20</span><span class="chapters-text">Hardware running code</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.st.com/en/development-tools/st-link-v2.html">ST-Link/V2 Debugger</a></li>
            <li class="links-list-item"><a href="https://www.olimex.com/Products/ARM/JTAG/ARM-JTAG-20-10/">20-pin to 10-pin 1.27mm Adapter</a></li>
            <li class="links-list-item"><a href="https://www.st.com/en/development-tools/stm32cubeide.html">STM32CubeIDE</a></li>
            <li class="links-list-item"><a href="https://www.st.com/en/development-tools/stsw-link004.html">ST-Link Utility</a></li>

            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

STM32 + SWD + ST-Link + CubeIDE | Debugging on Custom Hardware Tutorial - Phil's Lab #4

<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/14_jh3nLSsU" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Overview of STM32, RF, and USB hardware design, schematic creation, and PCB layout and routing in KiCad using a real-world example project.<br><br>

Various tips on controlled impedance routing, differential pairs, USB, and RF layout.

Correction in schematic: NRF24 IREF pin needs to be pulled low to GND via a 10k resistor (not to 3V3 as shown in the video!). Fix has been pushed to GitHub.
    </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">System overview, component selection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:15</span><span class="chapters-text">STM32 pin-out and peripheral selection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:10</span><span class="chapters-text">Schematic sectioning</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:48</span><span class="chapters-text">Power supply (power via USB, filtering, USB decoupling caps)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:45</span><span class="chapters-text">STM32 microcontroller (USB connections and terminations, SPI, LEDs, decoupling)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:55</span><span class="chapters-text">SWD (Serial Wire Debug) connector</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:45</span><span class="chapters-text">USB connector and ESD protection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:11</span><span class="chapters-text">NRF24 RF transceiver</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:40</span><span class="chapters-text">Extern crystal (load capacitor calculation)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:57</span><span class="chapters-text">RF antenna matching circuit</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:31</span><span class="chapters-text">Component selection and sizing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:24</span><span class="chapters-text">Rough layout and sectioning (USB, power, microcontroller, and RF)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:37</span><span class="chapters-text">Component placement order (most 'critical' components first)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">21:30</span><span class="chapters-text">USB ESD protection placement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">21:42</span><span class="chapters-text">RF layout</span></li>
            <li class="chapters-list-item"><span class="chapters-time">22:16</span><span class="chapters-text">Determining board outline (size and rounded edges)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">22:42</span><span class="chapters-text">Fine-tuning the layout</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:24</span><span class="chapters-text">Layer stack-up (4 layer board)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:16</span><span class="chapters-text">Sectioning (USB, power, microcontroller, and RF), track widths, and clearance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">25:17</span><span class="chapters-text">Power and ground via connections to copper pours</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:00</span><span class="chapters-text">Ground and power planes</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:43</span><span class="chapters-text">Power supply routing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:26</span><span class="chapters-text">STM32 routing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">28:15</span><span class="chapters-text">Crystal routing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">29:40</span><span class="chapters-text">RF and USB routing (trace impedance, differential routing, ground pours)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">36:53</span><span class="chapters-text">RF guard ring</span></li>
            <li class="chapters-list-item"><span class="chapters-time">38:45</span><span class="chapters-text">Clearance between traces</span></li>
            <li class="chapters-list-item"><span class="chapters-time">39:25</span><span class="chapters-text">Via-in-pad</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:05</span><span class="chapters-text">Labelling and logo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:40</span><span class="chapters-text">Marking 'pin 1' locations</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:53</span><span class="chapters-text">Marking diode polarity</span></li>
            <li class="chapters-list-item"><span class="chapters-time">41:42</span><span class="chapters-text">Checking your work</span></li>
            <li class="chapters-list-item"><span class="chapters-time">42:00</span><span class="chapters-text">Gerber and drill file export</span></li>
            <li class="chapters-list-item"><span class="chapters-time">42:25</span><span class="chapters-text">Footprint positions file (for assembly)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">42:49</span><span class="chapters-text">Bill of materials (BOM)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:10</span><span class="chapters-text">Gerber file check (via GerbView)</span></li>
        </ul>
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://github.com/pms67/STRF-Kicad">Github - Design files</a></li>

            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

KiCad STM32 + RF + USB Hardware Design - Phil's Lab #5

<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/HG-5Wr7zSX8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        This video explains what you may want to be careful about when you are comparing footprint with a real component.
    </div>
</div>


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