<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe
                class="youtube-player"
                src="https://www.youtube.com/embed/IuKfJN27w_g?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en&autohide=2&wmode=transparent"
                allowfullscreen="true"
                style="border: 0px; display: block; margin: 0px; width: 740px; height: 416.418px;"
                sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"
                data-ratio="0.5627272727272727" data-width="1100" data-height="619"></iframe></span>
    </div>
    <div class="blog-content">
Measuring and burning PCB tracks. 
    </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/eric-bogatin-368860/">Eric's Linked In</a></li>
            <li class="links-list-item"><a href="https://youtu.be/LQ20GBonRmA">PCB Simulation vs. Real Board - DC Currents and Voltage drop</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

How Much Current Will Destroy a PCB Track? | Track resistance measurements

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe
                class="youtube-player"
                src="https://www.youtube.com/embed/UpFd6ubqTLI?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en&autohide=2&wmode=transparent"
                allowfullscreen="true"
                style="border: 0px; display: block; margin: 0px; width: 740px; height: 416.418px;"
                sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"
                data-ratio="0.5627272727272727" data-width="1100" data-height="619"></iframe></span>
    </div>
    <div class="blog-content">
Op-amps explained: how they work and what are their important parameters. 
    </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">00:29</span><span class="chapters-text">Why to use operational amplifier</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:21</span><span class="chapters-text">Ideal op amp</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:00</span><span class="chapters-text">How inverting op amp works</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:13</span><span class="chapters-text">How non-inverting op amp works</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:25</span><span class="chapters-text">Op amp working as a buffer</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:42</span><span class="chapters-text">Op amp working as a current reference</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:09</span><span class="chapters-text">Input offset voltage</span></li>
            <li class="chapters-list-item"><span class="chapters-time">28:15</span><span class="chapters-text">Input offset voltage simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:50</span><span class="chapters-text">Input offset voltage measurement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:04</span><span class="chapters-text">Input bias current</span></li>
            <li class="chapters-list-item"><span class="chapters-time">37:20</span><span class="chapters-text">Input bias current measurement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">41:00</span><span class="chapters-text">Op-amp Bandwidth</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:59</span><span class="chapters-text">Op-amp Bandwidth measurement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">48:50</span><span class="chapters-text">Op-amp Bandwidth simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:23</span><span class="chapters-text">Operational amplifier slew rate</span></li>
            <li class="chapters-list-item"><span class="chapters-time">51:28</span><span class="chapters-text">Slew rate simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">53:07</span><span class="chapters-text">Slew rate measurement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">55:48</span><span class="chapters-text">Slew rate impact to sinusoidal output</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:00:28</span><span class="chapters-text">Op amp noise</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:07:38</span><span class="chapters-text">Op amp noise measurement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:10:57</span><span class="chapters-text">Op amp noise simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:15:36</span><span class="chapters-text">Input and output voltage swing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:16:45</span><span class="chapters-text">Common mode range</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:19:14</span><span class="chapters-text">Common mode range simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:20:04</span><span class="chapters-text">Common mode range measurement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:22:31</span><span class="chapters-text">Op amp output range</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:28:17</span><span class="chapters-text">Op-amp stability</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:29:59</span><span class="chapters-text">Op-amp stability simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:32:20</span><span class="chapters-text">Op-amp stability measurement</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:38:51</span><span class="chapters-text">pH Electrometer solution - practical example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:46:19</span><span class="chapters-text">Measuring pH</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/arthur-kay-a5201929/">Arthur´s LinkedIn</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/zach-olson-vt/">Zach´s LinkedIn</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Everything Important About OP AMP (Operational amplifier)

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe
                class="youtube-player"
                src="https://www.youtube.com/embed/pdzQ-kgLbFw?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en&autohide=2&wmode=transparent"
                allowfullscreen="true"
                style="border: 0px; display: block; margin: 0px; width: 740px; height: 416.418px;"
                sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"
                data-ratio="0.5627272727272727" data-width="1100" data-height="619"></iframe></span>
    </div>
    <div class="blog-content">
This video includes explanation of battery charging and safety schematic circuits. 
    </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">01:33</span><span class="chapters-text">Types of cells and batteries</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:43</span><span class="chapters-text">CID and PTC battery protection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:44</span><span class="chapters-text">Prismatic cells</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:37</span><span class="chapters-text">Pouch cells</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:02</span><span class="chapters-text">Lithium Ion (Li-Ion)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:28</span><span class="chapters-text">Peak charge and nominal voltage, end of discharge voltage</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:30</span><span class="chapters-text">Thermal runaway</span></li>
            <li class="chapters-list-item"><span class="chapters-time">22:32</span><span class="chapters-text">Lithium Iron Phosphate (LiFePO4)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:15</span><span class="chapters-text">Nickel Metal Hydride (NIHM)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">29:23</span><span class="chapters-text">How cells are connected together</span></li>
            <li class="chapters-list-item"><span class="chapters-time">32:31</span><span class="chapters-text">Battery testing standards</span></li>
            <li class="chapters-list-item"><span class="chapters-time">36:38</span><span class="chapters-text">Battery safety circuit - Safety features</span></li>
            <li class="chapters-list-item"><span class="chapters-time">44:28</span><span class="chapters-text">Battery safety schematic circuit explained</span></li>
            <li class="chapters-list-item"><span class="chapters-time">55:31</span><span class="chapters-text">Safety circuit integrated in batteries, shipping and transport</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:04</span><span class="chapters-text">Battery charging schematic circuit explained</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:21:01</span><span class="chapters-text">Battery charging schematic circuit example 2</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:27:23</span><span class="chapters-text">About Alex</span></li>
            </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.linkedin.com/in/alex-norman-eetengineer/">Alex´ LinkedIn</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/@eetengineer">Alex´s Youtube</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Powering Up Your Board From a Battery? You need to know this ...

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe
                class="youtube-player"
                src="https://www.youtube.com/embed/dRKSs3wms4U?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en&autohide=2&wmode=transparent"
                allowfullscreen="true"
                style="border: 0px; display: block; margin: 0px; width: 740px; height: 416.418px;"
                sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"
                data-ratio="0.5627272727272727" data-width="1100" data-height="619"></iframe></span>
    </div>
    <div class="blog-content">
        Basic board firmware bring-up of the ´new´ LittleBrain++ PCB featuring an STM32F4 microcontroller, sensors, and USB. How to write simple test firmware (I2C, USB), set-up STM32CubeIDE, and transfer data from a schematic to software. 
    </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">00:35</span><span class="chapters-text">First Steps</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:40</span><span class="chapters-text">Tag-Connect SWD Programming Header/Connector</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:16</span><span class="chapters-text">Hardware Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:59</span><span class="chapters-text">STM32CubeIDE Basics</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:59</span><span class="chapters-text">Pinout</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:14</span><span class="chapters-text">Clock Configuration</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:15</span><span class="chapters-text">Programming and GPIO (LED) Test</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:08</span><span class="chapters-text">I2C #1 (Inertial Measurement Unit)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:58</span><span class="chapters-text">I2C #2 (Pressure Sensor)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:11</span><span class="chapters-text">USB (Virtual COM Port)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:14</span><span class="chapters-text">Outro</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/">Tag-Connect</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>

STM32 Board Bring-Up (Firmware and Test) - Phil's Lab #54

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe
                class="youtube-player"
                src="https://www.youtube.com/embed/yHn-XOcvJOY?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en&autohide=2&wmode=transparent"
                allowfullscreen="true"
                style="border: 0px; display: block; margin: 0px; width: 740px; height: 416.418px;"
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                data-ratio="0.5627272727272727" data-width="1100" data-height="619"></iframe></span>
    </div>
    <div class="blog-content">
        So, do you only connect one hole or all of them? Do you connect them directly to ground or … ? Taken from my longer interview with Keith Armstrong.
    </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">Intro</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">02:00</span><span class="chapters-text">What are cavities</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">08:43</span><span class="chapters-text">Bonding options</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:00</span><span class="chapters-text">Mounting holes without screws</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">12:40</span><span class="chapters-text">Filters</span>
            </li>
        </ul>
    </div> 
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://fedevel.com/courses/essential-pcb-design-layout-techniques-for-emc">Essential PCB design/layout techniques for good EMC</a></li>
            <li class="links-list-item"><a href="https://youtu.be/gHF5JyJF-N4">Full interview with Keith</a></li>
        </ul>
    </div>   
</div>


Do you connect PCB mounting holes correctly? | Keith Armstrong | #Highlights

<div class="entry-content">
    <figure class="wp-block-audio"><audio src="https://welldoneblogfedevel.files.wordpress.com/2021/05/is-kicad-ready-to-replace-paid-pcb-design-software-with-wayne-stambaugh.mp3"></audio></figure>
    <div class="blog-content">
        Is KiCad going to be always free? Is it now good enough to design any board? Who decides what new features will be implemented and where the project goes? Thank you Wayne for a great call. <br><br>
        
        <i>Note: This podcast is an audio track from our YouTube video published here: <a href="https://youtu.be/6qcsJfoqbL4" >https://youtu.be/6qcsJfoqbL4</a></i><br><br>

        Follow this podcast on:
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                Follow this podcast on
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How Much Current Will Destroy a PCB Track? | Track resistance measurements

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