<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/Lqc1jmbSxnE" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Why is the thickness of PCB layers important? Explained.
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

How to choose PCB?

<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/OG2Ci_xr0pM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
If you would like to watch a full step-by-step tutorial about how to design your own custom keyboard, let me know in comments. Thx for watching.
    </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">Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:20</span><span class="chapters-text">Keyboard parts</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:54</span><span class="chapters-text">Keyboard PCB design</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:35</span><span class="chapters-text">Small version</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:53</span><span class="chapters-text">Keyboard case</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:11</span><span class="chapters-text">Switches and encoders</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:10</span><span class="chapters-text">Keycaps</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:56</span><span class="chapters-text">Firmware QMK</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:52</span><span class="chapters-text">VIA app to set shortcuts</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:28</span><span class="chapters-text">Finished keyboard</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

I Built This Custom Keyboard from Scratch

<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/m3Ny3j5nH0U" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Close look at BGA soldering, chip soldering, hand soldering and more
    </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">00:09</span><span class="chapters-text">Soldering BGA</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:18</span><span class="chapters-text">Soldering TSSOP</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:05</span><span class="chapters-text">Soldering QFN</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:02</span><span class="chapters-text">Hand soldering</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:35</span><span class="chapters-text">Multilayer PCB under a microscope</span></li>
    </div>

    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.keyence.eu/yt-kib-vhx-0924">Microscope Keyence VHX-7000N</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Have you ever seen soldering THIS close?

<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/_0ys155xv1Q" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        How to design and implement an audio soft-clipping overdrive/distortion algorithm on a custom STM32-based digital signal processing system.
    </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">00:29</span><span class="chapters-text">TikiDrive Hardware</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:55</span><span class="chapters-text">Overdrive Pedals & Amps</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:41</span><span class="chapters-text">Analogue Overdrive</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:18</span><span class="chapters-text">Symmetrical Soft-Clipping Model</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:05</span><span class="chapters-text">Time-Domain Behaviour</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:31</span><span class="chapters-text">Frequency-Domain Behaviour</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:46</span><span class="chapters-text">Aliasing Distortion</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:43</span><span class="chapters-text">Anti-Aliasing Filter</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:21</span><span class="chapters-text">Anti-Aliasing Filter Design</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:58</span><span class="chapters-text">Example Overdrive Block Diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:49</span><span class="chapters-text">Pre-Requisite Videos</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:35</span><span class="chapters-text">TikiDrive PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:28</span><span class="chapters-text">Software Implementation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:04</span><span class="chapters-text">Test Set-Up</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:38</span><span class="chapters-text">Aliasing Demo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:21</span><span class="chapters-text">Time- & Frequency-Domain Test</span></li>
            <li class="chapters-list-item"><span class="chapters-time">28:44</span><span class="chapters-text">Guitar Demo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">32:28</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.youtube.com/watch?v=VDhmVrbSpqA&ab_channel=Phil%E2%80%99sLab">STM32 DSP Introduction</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=zlGSxZGwj-E&ab_channel=Phil%E2%80%99sLab">STM32 I2S/ADC/DMA</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=uNNNj9AZisM&ab_channel=Phil%E2%80%99sLab">FIR Filters</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=QRMe02kzVkA&ab_channel=Phil%E2%80%99sLab">IIR Filters</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=4o-_gUht_Xc&ab_channel=Phil%E2%80%99sLab">Audio EQ</a></li>
            
            <li class="links-list-item"><a href="https://fedevel.com/courses/advanced-digital-hardware-design">Advanced Digital Hardware Design course</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>

DSP Overdrive Algorithm in Software (STM32) - Phil's Lab #117

<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/xAuBqK4QsCc" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Passive RC low-pass filter basics, theory, real-world tests and demos, practical considerations, and examples both in the time- and frequency-domain.
    </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">02:19</span><span class="chapters-text">Basics</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:00</span><span class="chapters-text">Time-Domain Analysis</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:48</span><span class="chapters-text">Test Set-Up</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:14</span><span class="chapters-text">Time-Domain Demo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:41</span><span class="chapters-text">Frequency-Domain Analysis</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:56</span><span class="chapters-text">Bode Plots</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:53</span><span class="chapters-text">Frequency-Domain Demo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">22:29</span><span class="chapters-text">Source & Load Effects</span></li>
            <li class="chapters-list-item"><span class="chapters-time">25:41</span><span class="chapters-text">Loading Demo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:59</span><span class="chapters-text">Cascading Stages</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:53</span><span class="chapters-text">Component Non-Idealities</span></li>
            <li class="chapters-list-item"><span class="chapters-time">32:08</span><span class="chapters-text">Non-Idealities Demo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">34:21</span><span class="chapters-text">Further Practical Considerations</span></li>
            <li class="chapters-list-item"><span class="chapters-time">39:53</span><span class="chapters-text">Practical Examples</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:29</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.youtube.com/watch?v=kUruN6WBgSw&ab_channel=Phil%E2%80%99sLab">Capacitor Basics</a></li>
            <li class="links-list-item"><a href="https://www.st.com/resource/en/application_note/an2834-how-to-get-the-best-adc-accuracy-in-stm32-microcontrollers-stmicroelectronics.pdf">ST App Note</a></li>
            <li class="links-list-item"><a href="https://www.analog.com/en/analog-dialogue/articles/front-end-amp-and-rc-filter-design.html">SAR ADC</a></li>
            
            <li class="links-list-item"><a href="https://fedevel.com/courses/advanced-digital-hardware-design">Advanced Digital Hardware Design course</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>

RC Low-Pass Filters Deep-Dive - Phil's Lab #118

<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/avH-iordHFU" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        A short tutorial about how PCBs (Printed Circuit Boards) are created.
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
            <li class="links-list-item"><a href="https://youtu.be/S_p0YV-JlfU">How to Make Custom ESP32 Board in 3 Hours | Full Tutorial</a></li>
        </ul>
    </div>  
</div>

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