44 stories tagged electronics, newest first.
85 points by surprisetalk | 20 comments
Blog post by lcamtuf announcing his electronics book The Secret Life of Circuits is now available on Amazon and other retailers, with a plea for reader reviews.
115 points by ofrzeta | 42 comments
GitHub repository for Konnect, a native KiCad 10 plugin in Rust exposing 217 PCB design tools to Claude or other LLMs for AI-assisted design.
34 points by adamnemecek | 12 comments
A browser-based simulator of THE ANALOG THING analog computer, with a patch panel of integrators, summers, inverters and an oscilloscope view.
44 points by zdw | 9 comments
A Big Mess o' Wires blog post reporting the results of a hardware failure analysis of the Floppy Emu disk emulator for classic Apple computers.
367 points by blutack | 24 comments
A mitxela project write-up describing a FLIP fluid simulation running on a flipdot electromechanical display, built as an installation for EMF2026.
101 points by Luc | 5 comments
A Substack essay by lcamtuf arguing that modern computers owe more to the invention of electronically controlled working memory than to Charles Babbage.
407 points by iopapa | 218 comments
EEBench blog post on whether AI models can design circuit boards, describing a benchmark for evaluating the quality of circuits generated by models working in KiCad.
345 points by surprisetalk | 45 comments
lcamtuf's Substack post describing building an improved voltmeter clock, an update to a 2019 project, with emphasis on its wooden enclosure.
436 points by rossant | 93 comments
Landing page for Diode, a browser-based tool to build, program, and simulate electronic hardware circuits.
398 points by classichasclass | 207 comments
GitHub repository for LT6502, an open-source 6502-based homebrew laptop design with case files, schematics, and software.
710 points by abnercoimbre | 620 comments
John Graham-Cumming's blog post tearing down a discarded disposable vape found in a park and describing the surprising electronics inside.
367 points by zdw | 106 comments
A blog post on lcamtuf's Substack explaining the diode and the practical circuit applications of this often-overlooked electronic component.
371 points by shrx | 106 comments
Product page for ./watch, a quartz watch whose design exposes electronic components and draws inspiration from command-line interfaces and computer hardware.
909 points by mihau | 151 comments
A blog post by blinry listing fifty things they explored and did with a software defined radio across the electromagnetic spectrum.
1317 points by BogdanTheGeek | 442 comments
A blog post by Bogdan Ionescu describing how he repurposed the microcontroller from a disposable vape to host a website.
611 points by dmazin | 246 comments
Blog post by Bogdan Ionescu describing how he repurposed the microcontroller from a disposable vape to host a website.
324 points by cpldcpu | 75 comments
Blog post on Tim's Blog (cpldcpu) about bundling three candles so their flames oscillate at about 9.9Hz and using that oscillation as a clock signal.
416 points by jgrahamc | 270 comments
SparkFun blog post explaining that the common 9-pin serial connector is properly called DE9, not DB9, and the history of D-sub naming.
385 points by todsacerdoti | 42 comments
Allison Parrish's in-depth explainer on how Game Boy cartridges work, covering the bus, memory map, and MBCs, alongside her open RP2040-based bootleg cartridge design.
321 points by LorenDB | 105 comments
Blog post by Oleg Kutkov explaining how to modify a Starlink Mini terminal so it runs without its built-in WiFi router.
489 points by ahlCVA | 118 comments
Mitxela project page documenting the development of the Precision Clock Mk IV, a seven-segment LED clock, with video, shop, and kit instruction links.
342 points by teleforce | 87 comments
Book page for Simon Monk's 'Teach Yourself Electricity and Electronics, Seventh Edition' with links to code and purchase options.
379 points by jcartw | 62 comments
Ben Eater's project page documenting how to build a programmable 8-bit computer on breadboards from simple logic gates, with videos, parts lists, and schematics.
388 points by rapawel | 199 comments
A Substack article by lcamtuf giving an accessible explanation of the physics of conductors, insulators, and electric charges for hobby electronics learners.
![Screenshot of rtestardi.github.io: Flea-Scope: $18 Source Available USB Oscilloscope, Logic Analyzer and More [pdf]](https://hn.urlbox.com/shots/renders/2025/2/16/36f4a49c-8e12-4c51-b6f9-e5a57260a18d.jpg)
339 points by burgerone | 100 comments
PDF document describing Flea-Scope, an $18 source-available USB oscilloscope and logic analyzer.
![Screenshot of youtube.com: Have you ever seen soldering this close? [video]](https://hn.urlbox.com/shots/renders/2024/9/19/d79bbfb4-2eaf-43a8-a861-6a021236aea1.jpg)
545 points by zdw | 105 comments
YouTube video by Robert Feranec showing extreme close-up footage of soldering electronic components.
317 points by rcarmo | 64 comments
GitHub repository describing how to turn an Apple Watch into an ammeter for measuring DC currents, with a 3D-printable coil holder frame and images.
363 points by _Microft | 122 comments
An lcamtuf Substack article explaining DC-DC voltage conversion methods, including resistor dividers, linear regulators, buck converters, and charge pumps.
364 points by steveridout | 42 comments
Blog post by Giliam de Carpentier describing the Carpentopod, a wireless walking wooden coffee table built from software-optimized leg mechanisms.
547 points by nothacking_ | 88 comments
A blog post examining the inner workings of the cheap RCWL-0516 microwave radar motion sensor module that sells for about a dollar.
331 points by DHaldane | 164 comments
JITX blog post testing frontier LLMs (GPT-4o, Claude 3 Opus, Gemini 1.5) on circuit board design tasks to see where they help and where they fail.
361 points by akkartik | 60 comments
Chris Fenton's blog post describing his build of a 1/25-scale replica of the Cray C90 supercomputer made into a wristwatch.
430 points by mtm | 142 comments
Digilent blog post explaining why resistors, capacitors and other components come in values like 47k and 22µF, based on preferred number E-series.
361 points by todsacerdoti | 60 comments
Uros Popovic's blog post offering an end-to-end beginner guide to building your first USB device that a computer recognizes.
613 points by todsacerdoti | 101 comments
A blog post by lcamtuf giving a brief introduction to antennas, superheterodyne receivers, and signal modulation schemes for hobbyists.
551 points by nrabulinski | 78 comments
Mitxela project write-up and video on building stud earrings covered with a matrix of tiny 0201 LEDs.
573 points by Timot05 | 277 comments
Show HN post by atopile's founders introducing an open-source language and compiler for describing printed circuit boards with code.
369 points by teleforce | 96 comments
Official website for The Art of Electronics, the electronics textbook by Horowitz and Hill, with book info, reviews, updates, and supplementary chapters.
385 points by kungfudoi | 131 comments
Bunnie Huang's blog post announcing an updated, crowdfunded edition of The Essential Guide to Electronics in Shenzhen, now maintained by Naomi Wu.
1475 points by ttesmer | 166 comments
A mitxela.com project page describing the POV Candle, a tiny persistence-of-vision volumetric LED display, with a video demo.
383 points by WallyFunk | 147 comments
Homepage of LibrePCB, a free, cross-platform EDA application for designing schematics and printed circuit boards with a semantic library concept.
332 points by Sandman | 63 comments
A WordPress site offering practice-based lessons for learning electronics, organized into parts with schematics and breadboard builds.
![Screenshot of youtube.com: Towards a “PCB Drone” – Making a PCB Motor which reaches 30k RPM [video]](https://hn.urlbox.com/shots/renders/2023/6/25/6c7043df-3dfe-4ff4-b1fb-2759f310c231.jpg)
333 points by reaperman | 60 comments
YouTube video by Carl Bugeja showing his efforts to make his tiny PCB motor stronger and faster, reaching 30,000 RPM.
550 points by stacktrust | 232 comments
A blog post guide describing how to set up an electronics lab bench, with photos of shelving, component storage and equipment.