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  • KiCad Quick Tutorial: Creating Component Footprints with the help of a Wizard

    shabaz
    shabaz
    Table of Contents Introduction Getting Started Create a Footprint Library and select 'Create Footprint' Footprint Generator Wizard Deleting Items Check Pads Numbering Direction Draw Silkscreen and Courtyard Outlines Keepout Rule Areas Footp...
    • 30 Jun 2025
  • KiCad Quick Tutorial: Creating Component Symbols

    shabaz
    shabaz
    Table of Contents Getting Started Create a Symbol Library and New Symbol Create Pins, Slow method and Fast method Rearrange Pins Check your Work Drawing a Box and Symbol Properties Consider Symbol Usability Check my Work Video Summary Ever ...
    • 28 Jun 2025
  • Raspberry Pi RP2350 based PCB design

    embeddedguy
    embeddedguy
    Sometimes back, I was designing a PCB based on RP2350 and now I received the finished PCB. So this post is about the experience that I would like to share about my PCB design. Firstly, the original plan of creating this PCB was to create RP2350 based...
    • 19 Jun 2025
  • Creating a Flexible PCB!

    shabaz
    shabaz
    Recently, I've decided to give flexible PCBs a go, using the prototype service available from typical PCB manufacturers. I had my reasons, in particular, it's a great time-saver, because I don't enjoy creating custom cables for off-board...
    • 17 May 2025
  • Flexible Electronics Soldering Challenges: Conductive Epoxy to The Rescue

    Flexible Electronics Soldering Challenges: Conductive Epoxy to The Rescue

    abeltran
    abeltran
    The recent years have witnessed a tremendous transformation in electronics, from rigid forms to flexible, soft, and stretchable forms. These technological advancements will allow future electronics to be light and adaptive to the human body. In the q...
    • 6 Feb 2025
  • KiCAD 8: RX23E-B kit - LCD schematic (and using a bus)

    Jan Cumps
    Jan Cumps
    I'm building a PCB for Renesas' RX23E-B microcontroller. In this post: the LCD pins. I'm also using a KiCAD bus for the first time since V4. It changed a lot. The crossed-out resistors are "do not populate". These LCD signals use the same pin a...
    • 8 Nov 2024
  • KiCAD 8: RX23E-B kit - serial comms schematic

    Jan Cumps
    Jan Cumps
    I'm building a PCB for Renesas' RX23E-B microcontroller. In this post: the UART / serial communications design I've taken over the design of the Renesas Solution Starter Kit for RX23E-B, without the FTDI serial-to-USB.  I'm not sure...
    • 2 Nov 2024
  • KiCAD 8: RX23E-B kit - clock, debug and reset schematic

    Jan Cumps
    Jan Cumps
    I'm building a PCB for Renesas' RX23E-B microcontroller. In this post, I experiment with breaking the microcontroller schematic symbol into functional units. And I created some custom symbols and footprints. Schematics I'm interested to hear what yo...
    • 28 Oct 2024
  • KiCAD 8: create symbol for Rohm complementary MOSFET pair US6M2

    Jan Cumps
    Jan Cumps
    Rohm's US6M2 is an IC with 2 complementary MOSFETs on a single chip. With gate-source protection diodes. I'm using them in a design, but KiCAD doesn't have a symbol for this IC. It has a number of complementary MOSFET ...
    • 14 Sep 2024
  • Flux for soldering Zinc or Aluminum wires

    SweRavn
    SweRavn
    Hi all, I have been struggling hard to find reasonable and comprehensible information on how to solder aluminum or zinc wire to a PCB. There are many texts online but all of the just say something in line with "make sure to use a flux that is su...
    • 5 Aug 2024
  • Repairing & Avoiding Electronic Faults

    Repairing & Avoiding Electronic Faults with Thermal Paste

    abeltran
    abeltran
    Thermal grease, also known as thermal paste or thermal compound, is a substance used to improve the thermal conductivity between two surfaces, typically between a microprocessor and a heat sink. The purpose of thermal grease is to fill in the microsc...
    • 14 Feb 2024
  • Preventing PCB Misprints with Optimized Stencil Cleaning Process

    Preventing PCB Misprints with Optimized Stencil Cleaning Process

    abeltran
    abeltran
    The consumer demand for compact, miniaturized, and smart electronic devices is making electronics manufacturers use the smallest available packaging footprints. As a result, Printed Circuit Board Assemblies (PCBAs) have become denser and more sophist...
    • 19 Dec 2023
  • Cleaning “No-Clean” Flux??

    Cleaning “No-Clean” Flux??

    abeltran
    abeltran
    No-clean flux is a type of soldering flux used in electronics assembly that leaves behind minimal-to-no residue after the soldering process. Flux is a material applied to surfaces before soldering to facilitate the formation of strong and reliable so...
    • 8 Dec 2023
  • PCBA Cleaning Before Conformal Coating

    PCBA Cleaning Before Conformal Coating: Increase Reliability & Functional Life!

    abeltran
    abeltran
    In the electronic industry, the manufacture of printed circuit-board assemblies (PCBAs) has been greatly simplified by the adoption of “no-clean” fluxes during the soldering process. This “no-clean” solder paste intends to e...
    • 15 Nov 2023
  • Experimentation with the UL 94V-0 designation of printed circuit boards

    wolfgangfriedrich
    wolfgangfriedrich
    Disclaimer: This post is rated VS (very sad); continue reading at your own risk. Extreme temperature testing is nothing a hobbyist is normally even thinking about. The 94V-0 flammability rating that is printed on most production PCBs basically states...
    • 1 Oct 2023
  • Bad Soldering Practice: Why you need to remove solder flux from your PCB?

    Bad Soldering Practice: Why you need to remove solder flux from your PCB?

    akshayvn
    akshayvn
    Do you work with Printed Circuit Boards? Do you often use Soldering tools for a rework on the PCB with SMD components? Are you wondering why the faulty part replacement, after a rework, did not work for you even after correct troubleshooting of failure? Then head on to this blog post to understand what went wrong when you did your part of rework.
    • 16 Mar 2023
  • Compact USB-to-Banana Adapter -- my take on dougw's design

    Compact USB-to-Banana Adapter -- my take on dougw's design

    baldengineer
    baldengineer
    Previously, dougw shared a bench power supply video where he used an adapter he made. It had 4mm banana plugs and a USB port on it. The idea was that he could connect USB devices to a bench power supply. I loved the idea and he did a g...
    • 28 Feb 2023
  • The SteamDeck is very hackable - but it could be better.

    cstanton
    cstanton
    I've picked up Valve Software's Steam Deck. This (Arch) Linux based, hand-held personal computer is set at a reasonable price, can act as though it's a portable games console (often compared with the Nintendo Switch) and yet also behave like a desk...
    • 6 Feb 2023
  • DC switching board

    neuromodulator
    neuromodulator
    As owner of some DC test equipment and as a big fan of automated tests, I've needed more than once to be able to route the instrument channels to multiple paths. Doing this by hand is of course not convenient, so I looked for better ways to do it. On...
    • 2 Feb 2023
  • Create a custom footprint in KiCad 7 - 2b: create the footprint for an SMA coax connector with the editor - copper pour, solder mask clearance, holes, pads

    Create a custom footprint in KiCad 7 - 2b: create the footprint for an SMA coax connector with the editor - copper pour, solder mask clearance, holes, pads

    Jan Cumps
    Jan Cumps
    Part 2b of the exercise to create a custom footprint for the Amphenol /  SV Microwave SF2921-61506-1S   SMA coaxial connector. In the previous post created the initial footprint boundaries. Now: the rest. C...
    • 21 Jan 2023
  • Create a custom footprint in KiCad 7 - 2a: create the footprint for an SMA coax connector with the editor - initial outline

    Create a custom footprint in KiCad 7 - 2a: create the footprint for an SMA coax connector with the editor - initial outline

    Jan Cumps
    Jan Cumps
    Part 2 of the exercise to create a custom footprint for the Amphenol /  SV Microwave SF2921-61506-1S   SMA coaxial connector. The previous post checked the possible layout. In this one, I'm drawing it in the footprin...
    • 21 Jan 2023
  • Create a custom footprint in KiCad 7 - 1: collect info and component details

    Create a custom footprint in KiCad 7 - 1: collect info and component details

    Jan Cumps
    Jan Cumps
    I'm going to draw my first footprint in the KiCad 7 Footprint editor. I have experience with previous versions. To try out version 7, I'm going to make one for the Amphenol /  SV Microwave SF2921-61506-1S   SMA...
    • 21 Jan 2023
  • Use a LibraryLoader Footprint in KiCad 7

    Use a LibraryLoader Footprint in KiCad 7

    Jan Cumps
    Jan Cumps
    LibraryLoader is a utility from Supplyframe/Samacsys, that allows you to find component footprints online and convert them to the EDA you use. I installed it today and used it to load an Amphenol /  SV Microwave SF2921-61506-...
    • 20 Jan 2023
  • Engineers Develop Technique to Print Circuits on Curved Surfaces

    Engineers Develop Technique to Print Circuits on Curved Surfaces

    Catwell
    Catwell
    The new technique is known as MIMIC and allows engineers to print circuits on everything from latex gloves to contact lenses. (Image credit: NC State) Engineers at NC State have developed a novel technique to print flexible circuits on curved and co...
    • 12 Jan 2023
  • USB to Banana Plug Adapter

    dougw
    dougw
    This blog is to make available the USB to Banana Plug adapter design in case anyone else wants to build one. This adapter converts a standard 2 pin banana jack to a USB connector and a 0.1" pitch header. This allows bench power supplies to&...
    • 16 Nov 2022
>
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