<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="blog-content">
        I would like to share some statistics about hardware development. The results can be applied to your projects too.<br><br>

        Picture: Time needed for my latest Hardware development project (in percentage)</i>
    </div>

    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/0d55f-time_needed_for_hardware_development1.jpg" alt="time_needed_for_hardware_development" />
    </div>

    <div class="blog-content-text">
        <b>Facts from the project</b>
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text">Schematic design (95h)
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">72h drawing the schematic</span></li>
                    <li class="content-list-item"><span class="content-text">23h schematic checking</span></li>
                </ul>
            </span></li>
            <li class="content-list-item"><span class="content-text">PCB design (215h)
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">15h placement</span></li>
                    <li class="content-list-item"><span class="content-text">50h connecting nets (excluding DDR3)</span></li>
                    <li class="content-list-item"><span class="content-text">95h DDR3 design (routing (35h), length matching (50h), checking(10h))</span></li>
                    <li class="content-list-item"><span class="content-text">20h Improving layout</span></li>
                    <li class="content-list-item"><span class="content-text">35h Assembly drawings, stackup, 3D modeling, …</span></li>
                </ul>
            </span></li>
            <li class="content-list-item"><span class="content-text">The work around components – ordering information, availability, footprints, … (50h)</span></li>
        </ul>
    </div>

    <div class="blog-content-text">
        All the information was taken from my work summary sheet. The work summary document is generated from ProjectAndTask.com which I use to track down my time.<br><br>

        What’s your experience? Do you agree with these numbers?
    </div>

   
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://assets.fedevel.com/blog/downloads/work_summary_for_schematic_design_and_pcb_layout.pdf">Work summary sheet</a></li>
            <li class="links-list-item"><a href="http://www.projectandtask.com/">ProjectAndTask.com</a></li>
        </ul>
    </div>  
</div>

How long Schematic design and PCB layout take – Check here

<div class="entry-content">
    <div class="blog-content">
        In case you need generate 3D pdf ( <a href="http://www.voipac.com/downloads/imx/53/doc/iMX53_SODIMM_3D.pdf">like this iMX53 SODIMM 3D pdf</a> where you can click and see the board from every angle), use for example <a href="http://help.adobe.com/en_US/Acrobat/9.0/3D/WS58a04a822e3e50102bd615109794195ff-7c13.w.html">Adobe 3D Reviewer</a>. How? Export your PCB from Altium Designer into STEP file and open it in the Adobe software. Then File -> Export will save it into 3D PDF file. Disadvantage – Adobe 3d Reviewer is not FREE.
    </div>


    <div class="blog-content-text">
        In case you need to print some screenshots/pictures of your 3D board into pdf, follow these steps in your Altium Designer:
        <ol class="content-list">
            <li class="content-list-item"><span class="content-text">Set the 3D view you like in your PCB editor.</span></li>
            <li class="content-list-item"><span class="content-text">Go to Job file -> <i>Add New Documentation -> PCB 3D prints</i>.</span></li>
            <li class="content-list-item"><span class="content-text">Then Right click -> <i>Configure -> Custom -> Take Current Camera Position</i>. Ok.</span></li>
            <li class="content-list-item"><span class="content-text">Print / Publish into PDF.</span></li>
        </ol>
    </div>
   
    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/ad4f1-3d-print.jpg" alt="3d print" />
    </div>

    <div class="blog-content">
        See also my post – <a href="https://fedevel.com/blog/altium-designer-3d-model-of-your-pcb-its-reallyeasy/">Altium Designer – 3D model of your PCB – it’s really easy</a>
    </div>

   
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.voipac.com/downloads/imx/53/doc/iMX53_SODIMM_3D.pdf">like this iMX53 SODIMM 3D pdf</a></li>
            <li class="links-list-item"><a href="http://help.adobe.com/en_US/Acrobat/9.0/3D/WS58a04a822e3e50102bd615109794195ff-7c13.w.html">Adobe 3D Reviewer</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/blog/altium-designer-3d-model-of-your-pcb-its-reallyeasy/">Altium Designer – 3D model of your PCB – it’s really easy</a></li>
        </ul>
    </div>  
</div>

Altium Designer – Print 3D pictures into PDF

<div class="entry-content">
    <div class="blog-content">
        PCB manufacturer normally provides information about PCB stackup and track geometry.<br><br>

        In case you need to calculate single ended or differential pair impedance on your PCB, try following links:<br><br>

        I use <b>Microstrip & Stripline calculator</b> developed by Jean Nicolle. <a href="https://assets.fedevel.com/blog/downloads/Zcalc.zip" >Download the file here</a>
    </div>

    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/452b5-impedance_calculator1.jpg" alt="impedance_calculator1" />
    </div>

    <div class="blog-content-text">
        or directly from Jean’s website at <a href="http://www.jnicolle.com/?page=LVDS" >http://www.jnicolle.com/?page=LVDS</a><br><br>

        or try this <b>Online PCB impedance calculator</b> at <a href="http://www.skottanselektronik.com/" >http://www.skottanselektronik.com/</a>
    </div>
   
    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/45ada-impedance_calculator2.jpg" alt="impedance_calculator2" />
    </div>

    <div class="blog-content-text">
        This link also has a <b>track maximum current calculator, crosstalk calculator</b> and <b>thermal via calculator.</b><br><br>

        One of the bests is this FREE <b>Saturn PCB Design Toolkit:</b> <a href="http://www.saturnpcb.com/pcb_toolkit.htm" >http://www.saturnpcb.com/pcb_toolkit.htm</a>
    </div>

    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/5f0cf-saturn-pcb.png" alt="saturn pcb" />
    </div>

   
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://assets.fedevel.com/blog/downloads/Zcalc.zip" >Microstrip & Stripline calculator download</a></li>
            <li class="links-list-item"><a href="http://www.jnicolle.com/?page=LVDS" >Jean’s website</a></li>
            <li class="links-list-item"><a href="http://www.skottanselektronik.com/" >Online PCB impedance calculator</a></li>
            <li class="links-list-item"><a href="http://www.saturnpcb.com/pcb_toolkit.htm">FREE Saturn PCB Design Toolkit</a></li>
        </ul>
    </div>  
</div>

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PCB impedance calculator – Single ended / Differential pair

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