<div class="entry-content">
 <div class="jetpack-video-wrapper"><iframe src="https://www.youtube.com/embed/nMwamrZE_rc" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe>
 </div>
 <div class="blog-content">
 In this tutorial you will design and build your own keyboard. You will also learn all the essentials to design and build any electronics. Enjoy!
 </div>

 <div class="blog-content-chapters">
 <div>
 Chapters:
 </div>
 <ul class="chapters-list">
 <li class="chapters-list-item">00:00What is this tutorial about</li>
 <li class="chapters-list-item">00:39Mounting holes</li>
 <li class="chapters-list-item">02:12USB-C connector</li>
 <li class="chapters-list-item">03:50Drawing board shape</li>
 <li class="chapters-list-item">06:27Rotary encoders</li>
 <li class="chapters-list-item">07:11Buttons</li>
 <li class="chapters-list-item">09:22Sockets</li>
 <li class="chapters-list-item">10:40LEDs under buttons</li>
 <li class="chapters-list-item">12:44Metal plate holders</li>
 <li class="chapters-list-item">13:49RP2040</li>
 <li class="chapters-list-item">14:48USER and Power LEDs</li>
 <li class="chapters-list-item">17:44Debug header</li>
 <li class="chapters-list-item">18:01Set Net and Layer colors</li>
 <li class="chapters-list-item">19:29Decoupling capacitors around MCU</li>
 <li class="chapters-list-item">24:15USB resistors</li>
 <li class="chapters-list-item">25:00Crystal circuit</li>
 <li class="chapters-list-item">27:00Series termination resistors</li>
 <li class="chapters-list-item">28:30Filters</li>
 <li class="chapters-list-item">30:40Flash</li>
 <li class="chapters-list-item">31:27Reset button + schematic update</li>
 <li class="chapters-list-item">34:06Boot button and circuit update</li>
 <li class="chapters-list-item">35:53Components around USB-C connector</li>
 <li class="chapters-list-item">38:09Power for LEDs</li>
 <li class="chapters-list-item">38:46Voltage regulator</li>
 <li class="chapters-list-item">39:52LED resistors</li>
 <li class="chapters-list-item">41:08Level translator</li>
 <li class="chapters-list-item">41:59Diodes</li>
 <li class="chapters-list-item">44:37Components around encoders</li>
 <li class="chapters-list-item">49:26Decoupling capacitors for LEDs</li>
 <li class="chapters-list-item">51:46Double check position of components</li>
 <li class="chapters-list-item">53:27Placement finished</li>
 <li class="chapters-list-item">54:14Thank you for watching</li>
 </div>
 
 <div class="blog-content-links">
 <div>
 Links:
 </div>
 <ul class="links-list">
 <li class="links-list-item"><a href="https://oshwlab.com/robertferanec/custom-keyboard">Finished project (EasyEDA)</a></li>
 <li class="links-list-item"><a href="https://github.com/FEDEVEL/custom-keyboard">Github (HW + 3D + SW)</a></li>
 <li class="links-list-item"><a href="https://www.thingiverse.com/thing:6784228">Thingiverse (3D)</a></li>
 <li class="links-list-item"><a href="https://www.youtube.com/playlist?list=PLXvLToQzgzdftro2qK5In8p6ExsDFdpzw">Link to the complete playlist</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
 </ul>
 </div> 
</div>

Tutorial - Custom DIY Keyboard Design and Build | Part 3: PCB - Component Placement

<div class="entry-content">
 <div class="jetpack-video-wrapper"><iframe src="https://www.youtube.com/embed/rMoTqSC9wrY" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe>
 </div>
 <div class="blog-content">
In this tutorial you will design and build your own keyboard. You will also learn all the essentials to design and build any electronics. Enjoy!
 </div>


 <div class="blog-content-chapters">
 <div>
 Chapters:
 </div>
 <ul class="chapters-list">
 <li class="chapters-list-item">00:00What is this tutorial about</li>
 <li class="chapters-list-item">00:16Adding socket for switch</li>
 <li class="chapters-list-item">09:23Adding switch</li>
 <li class="chapters-list-item">19:21Adding diode</li>
 <li class="chapters-list-item">20:48Connecting keyboard matrix</li>
 <li class="chapters-list-item">35:05Adding rotary encoder</li>
 <li class="chapters-list-item">42:21Connecting encoder</li>
 <li class="chapters-list-item">44:26Adding 10nF capacitor</li>
 <li class="chapters-list-item">56:39Adding and connecting LEDs</li>
 <li class="chapters-list-item">1:03:46Adding buffer</li>
 <li class="chapters-list-item">1:08:03Connecting LED power and adding 0.1R</li>
 <li class="chapters-list-item">1:10:28Adding RGB LED</li>
 <li class="chapters-list-item">1:18:53Adding mounting holes</li>
 <li class="chapters-list-item">1:24:37Adding stand off</li>
 <li class="chapters-list-item">1:36:54Annotate schematic</li>
 <li class="chapters-list-item">1:41:03Importing schematic to PCB</li>
 <li class="chapters-list-item">1:42:21Thank you for watching</li>
 </div>

 
 <div class="blog-content-links">
 <div>
 Links:
 </div>
 <ul class="links-list">
 <li class="links-list-item"><a href="https://github.com/FEDEVEL/custom-keyboard">Github (HW + 3D + SW)</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
 </ul>
 </div> 
</div>

Tutorial - Custom DIY Keyboard Design and Build | Part 2: Keyboard Schematic

<div class="entry-content">
 <div class="jetpack-video-wrapper"><iframe src="https://www.youtube.com/embed/N4cLFE0FF2U" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe>
 </div>
 <div class="blog-content">
 In this tutorial you will design and build your own keyboard. You will also learn all the essentials to design and build any electronics. Enjoy!
 </div>

 <div class="blog-content-chapters">
 <div>
 Chapters:
 </div>
 <ul class="chapters-list">
 <li class="chapters-list-item">00:00What is this tutorial about</li>
 <li class="chapters-list-item">03:34Starting a new project</li>
 <li class="chapters-list-item">08:42Adding RP2040</li>
 <li class="chapters-list-item">14:43Adding 100nF</li>
 <li class="chapters-list-item">20:12Adding 2.2uF</li>
 <li class="chapters-list-item">23:14Adding 200R</li>
 <li class="chapters-list-item">25:43Adding 27R</li>
 <li class="chapters-list-item">27:40Adding USB-C connector</li>
 <li class="chapters-list-item">31:25Adding ESD protection</li>
 <li class="chapters-list-item">34:03Adding 1uF</li>
 <li class="chapters-list-item">36:10Connecting USB CC pins</li>
 <li class="chapters-list-item">36:46Adding 5.1k</li>
 <li class="chapters-list-item">38:21Voltage regulator 5V to 3V3</li>
 <li class="chapters-list-item">42:27Adding 47uF</li>
 <li class="chapters-list-item">45:49Crystal ABM8-272-T3</li>
 <li class="chapters-list-item">47:22Adding 1k</li>
 <li class="chapters-list-item">48:32Adding 15pF</li>
 <li class="chapters-list-item">49:48Adding 1M</li>
 <li class="chapters-list-item">52:52Flash W25Q128JVS</li>
 <li class="chapters-list-item">58:20Boot Select Button</li>
 <li class="chapters-list-item">1:01:09Adding 100k</li>
 <li class="chapters-list-item">1:03:10Reset Button</li>
 <li class="chapters-list-item">1:04:28Adding 10k</li>
 <li class="chapters-list-item">1:08:23Adding 1x3 Header</li>
 <li class="chapters-list-item">1:11:50User LED</li>
 <li class="chapters-list-item">1:15:06Power LED</li>
 <li class="chapters-list-item">1:16:38Thank you for watching</li>
 </div>
 
 <div class="blog-content-links">
 <div>
 Links:
 </div>
 <ul class="links-list">
 <li class="links-list-item"><a href="https://oshwlab.com/robertferanec/custom-keyboard">Finished project (EasyEDA)</a></li>
 <li class="links-list-item"><a href="https://github.com/FEDEVEL/custom-keyboard">Github (HW + 3D + SW)</a></li>
 <li class="links-list-item"><a href="https://www.thingiverse.com/thing:6784228">Thingiverse (3D)</a></li>
 <li class="links-list-item"><a href="https://www.youtube.com/playlist?list=PLXvLToQzgzdftro2qK5In8p6ExsDFdpzw">Link to the complete playlist</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
 </ul>
 </div> 
</div>

Tutorial - Custom DIY Keyboard Design and Build: Schematic + PCB + Case | Part 1 - RP2040

<div class="entry-content">
 <div class="jetpack-video-wrapper"><iframe src="https://www.youtube.com/embed/EF7SxgcDfCo" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe>
 </div>
 <div class="blog-content">
 The best animation to explain crosstalk I have ever seen! Thank you Eric.
 </div>
 <div class="blog-content-chapters">
 <div>
 Chapters:
 </div>
 <ul class="chapters-list">
 <li class="chapters-list-item">
 00:01Have You Ever Had Problems with Crosstalk
 </li>
 <li class="chapters-list-item">
 04:58How Do You Get Crosstalk through Electric Fields
 </li>
 <li class="chapters-list-item">
 05:17How Do You Get Current through a Capacitor
 </li>
 <li class="chapters-list-item">
 06:52Changing Electric Field
 </li>
 <li class="chapters-list-item">
 07:31Displacement Current
 </li>
 <li class="chapters-list-item">
 10:33Reference Plane
 </li>
 <li class="chapters-list-item">
 11:38What About Two Layer Pcb
 </li>
 <li class="chapters-list-item">
 14:42Electrically Long Interconnect
 </li>
 <li class="chapters-list-item">
 19:18Flash Animation
 </li>
 <li class="chapters-list-item">
 19:48Capacity Coupled Current
 </li>
 <li class="chapters-list-item">
 22:43The Coupling Region
 </li>
 <li class="chapters-list-item">
 26:19Inductive Coupling
 </li>
 <li class="chapters-list-item">
 27:46The Direction of the Induced Current Loop
 </li>
 <li class="chapters-list-item">
 30:32Inductively Coupled Current
 </li>
 <li class="chapters-list-item">
 46:34Ratio the Foreign Crosstalk Coefficient
 </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/eric-bogatin-368860/">Eric Bogatin</a></li>
 </ul>
 </div> 
</div>

What Every PCB Designer Should Know – Crosstalk Explained (with Eric Bogatin)

<div class="entry-content">
 <div class="jetpack-video-wrapper"><iframe src="https://www.youtube.com/embed/ukfsupePkOM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe>
 </div>
 <div class="blog-content">
 Do you know why PCB Manufacturer may use tin to protect tracks and VIAs when your PCB is manufactured? Do you know how exactly PCB VIA plating is done?
 </div>
 <div class="blog-content-chapters">
 <div>
 Chapters:
 </div>
 <ul class="chapters-list">
 <li class="chapters-list-item">
 00:03Intro
 </li>
 <li class="chapters-list-item">
 02:36How a Pcb Is Manufactured
 </li>
 <li class="chapters-list-item">
 04:25Remove the Drill Smear
 </li>
 <li class="chapters-list-item">
 06:00Electro Plating
 </li>
 <li class="chapters-list-item">
 06:46Electro Less Plating
 </li>
 <li class="chapters-list-item">
 07:01Electroless Plating
 </li>
 <li class="chapters-list-item">
 08:04How Do You Get Copper To Stick to Fiberglass
 </li>
 <li class="chapters-list-item">
 09:31Micro Etch
 </li>
 <li class="chapters-list-item">
 12:14Silver Has a Higher Redox Potential than Tin
 </li>
 <li class="chapters-list-item">
 15:43Accelerator Bath
 </li>
 <li class="chapters-list-item">
 19:14Board after Electroless Plating
 </li>
 <li class="chapters-list-item">
 20:27Electron Lighting and Electroplating
 </li>
 <li class="chapters-list-item">
 23:43Electroplating
 </li>
 <li class="chapters-list-item">
 28:40Protect the Copper inside the via Barrels during Etching
 </li>
 <li class="chapters-list-item">
 29:57Copper Plating
 </li>
 <li class="chapters-list-item">
 30:41Electroplating Tin
 </li>
 <li class="chapters-list-item">
 33:18Bad Plating
 </li>
 <li class="chapters-list-item">
 36:29Chemicals That Are Added to the Electroless Bath
 </li>
 <li class="chapters-list-item">
 42:33The Electroplating
 </li>
 <li class="chapters-list-item">
 46:35Bare Bones Pcbs
 </li>
 <li class="chapters-list-item">
 59:46Electroplated Gold
 </li>
 <li class="chapters-list-item">
 1:03:20Microvias Edge Plating and Castellated Holes
 </li>
 <li class="chapters-list-item">
 1:09:24Edge Plating
 </li>
 <li class="chapters-list-item">
 1:15:24Can You Do Plating at Home
 </li>
 <li class="chapters-list-item">
 1:16:54Equipment
 </li>
 </ul>
 </div> 
 <div class="blog-content-links">
 <div>
 Links:
 </div>
 <ul class="links-list">
 <li class="links-list-item"><a href="https://www.kaileyshara.com/">Kailey Shara</a></li>
 <li class="links-list-item"><a href="https://www.linkedin.com/in/kaileyshara/">Kailey Shara LinkedIn</a></li>
 <li class="links-list-item"><a href="https://www.4pcb.com/media/presentation-how-to-build-pcb.pdf">Advanced Circuits PDF</a></li>
 <li class="links-list-item"><a href="https://www.youtube.com/watch?v=sIV0icM_Ujo&ab_channel=Eurocircuits">Eurocircuits - how to make a 4-layer PCB (full version)</a></li>
 </ul>
 </div> 
</div>

How Does Copper Get Inside of a VIA Hole in Your PCB – Do you know this? (with Kailey Shara)

<div class="entry-content">
 <div class="jetpack-video-wrapper"><iframe src="https://www.youtube.com/embed/eFByKdIhlL4" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe>
 </div>
 <div class="blog-content">
 What is the most important thing for you when selecting chips for your boards?
 </div>
</div>

| KNOWLEDGE BASE

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What to consider when selecting chips for your new board (MCU, CPU, Ethernet, Audio, …)

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Tutorial - Custom DIY Keyboard Design and Build | Part 3: PCB - Component Placement

Tutorial - Custom DIY Keyboard Design and Build | Part 2: Keyboard Schematic

Tutorial - Custom DIY Keyboard Design and Build: Schematic + PCB + Case | Part 1 - RP2040

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