Adafruit Blog
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- 01Witch’s Cauldron House – LED Tea Light Halloween Decoration #3DThursday #3DPrintingAllpa_112 shares: A witch’s cauldron-shaped house designed precisely for LED tea lights, so the windows and ‘poison’ illuminate for great atmospheric effect in the dark. Multi-part assembly — mostly no supports needed (recommended only for window/door frames). Multi-color printer not required, just plug or glue parts together. 11cm base, 8.5cm tall at 100% scale. Fits […]Pedro
- 02Modular LED Lighting System – Hexagons, Rectangles, Triangles + Tracks #3DThursday #3DPrintingContrapaul shares: A modular, customizable light system that supports hexagons, rectangles, triangles, and straight tracks. Designed to limit hardware needs and be fun to build. Feb 2026 update adds core pieces with channels to hide wires and a drop-in hanger. Dec 2025 update added small hexagon pieces with press-fit clips for wire retention. STEP files […]Pedro
- 03From the mail bag…From the mail bag! Adafruit is one of the brands I genuinely respect in this space. Building the Learning System as free, open, carefully written documentation, while manufacturing in NYC and championing open-source hardware, is a rare set of values to hold all at once. My capstone used Arduino-class hardware, so I know firsthand how […]Ben
- 04Articulated Skeleton Hand – Halloween Decor with Pumpkin Lantern #3DThursday #3DPrintingmingGY shares: A 3D-printed articulated skeleton hand paired with small accessories like pumpkin lanterns. Realistic joint detail and flexibly poseable. Print tolerances may cause joint looseness over time — restore damping with clear nail polish on joint heads. Great home decoration or holiday display. By MingGY download the files on: https://makerworld.com/en/models/1841827-articulated-skeleton-hand Every Thursday is #3dthursday […]Pedro
- 05SHOW and TELL 8/19/26 with @johnedgarpark #ShowandTell @adafruitThe biggest and longest running worldwide online Show and Tell LIVE! 8/19/2026 at 7:30pm Eastern. Video. Hosted this week by John ParkJohn Park
- 06The Python on Microcontrollers Newsletter: subscribe for freeThe Python for Microcontrollers Newsletter is the place for the latest news involving Python on hardware (microcontrollers AND single board computers like Raspberry Pi). This ad-free, spam-free weekly email is filled with CircuitPython, MicroPython, and Python information that you may have missed, all in one place! You get a summary of all the software, events, projects, and the latest hardware worldwide once a week, no […]Anne Barela
- 07Monitoring Blood Pressure in ICU with Wearable Sensors and AIJohns Hopkins University researchers have developed a system to continuously monitor blood pressure without the need for arterial lines. Familiar blood pressure cuffs that wrap around the arm aren’t invasive, but they only provide intermittent readings. The team created a system called MOSAIC based on two sensors—one placed on a patient’s chest, and the other […]Takara
- 08Arduino Spider-Man Web Shooter #WearableWednesdayBuilt from cardboard, an Arduino, a motion sensor and some clever crafting, Barquinics created this web-shooter. Not quite ready to swing from the rooftops, but they it does look super fun! see the guide on Instructables: In this project, we’ll build a wearable, motion-triggered web-shooter using an Arduino Nano and an accelerometer. Just make a […]Ben
- 09Live TfL bus arrivals + weather departure board on a Pimoroni Badger 2350 e-ink badgeA £30 badge on the wall by the door that tells you whether to run for the bus. Marcio Lopes has created a MicroPython app for the Pimoroni Badger 2350 e-ink badge that turns it into a tiny live departures board for a London bus stop, using Transport for London’s (TfL) open arrivals API, with […]Anne Barela
- 10Google Chrome web browser for 64-bit Arm Linux and tested on Pi 5Google Chrome web browser is now available for 64-bit Arm Linux, and CNX quickly tested it with Raspberry Pi OS on a Raspberry Pi 5 2GB SBC. The open-source Google Chromium web browser has been available for Arm Linux for years, but it lacks some features such as account sync, out-of-the-box DRM support, and automatic […]Anne Barela
- 11A true telnet BBS hosted on a Casio calculatorIan is seemingly doing the impossible: hosting a bulletin board service (BBS) on a Casio VX-4. About a eight weeks ago I had virtually no interest in calculators. Blank, dull, tedious-looking objects that remind me of long, arduous rainy afternoons in 1980’s/1990’s school maths classes. Fast forward to August 14th, 2026 and I now own […]Anne Barela
- 12Unearthing a 31 year old Easter egg in Ecco the DolphinThe Rings of Saturn blog examines the PC version of Ecco the Dolphin. This game is adapted from the 1993 Sega CD version of Ecco, which is an enhanced version of the 1992 Sega Genesis original. There’s a full-featured debug mode cheat for the console editions. Among other things, it lets you skip stages and […]Anne Barela
- 13RISC-V: They should have known betterDmitry Grinberg on Dmitry.GR is often asked to explain a distaste for RISC-V. A recent post lays it all out on the table. I am often asked to explain my distaste for RISC-V and I often find myself explaining it piecewise. The reactions are often of the form “you just do not understand the brilliance […]Anne Barela
- 14PicoCamera: An Arduino-compatible camera library for the RP2040 / RP2350PicoCamera is an Arduino-compatible camera library for the RP2040 / RP2350, featuring an esp32-camera aligned API and broad sensor support, such as OV2640 OV3660 and OV7670. The API aligned with esp32-camera (esp_ prefix becomes pico_), and is based on PIO + DMA capture. For sensor controls (sensor->set_vflip etc.), OV2640 is fairly complete (vflip/hmirror/brightness/contrast/saturation/white balance/exposure/effects/quality…); OV3660 […]Anne Barela
- 15Common Lisp for the Amiga (CL-Amiga)Manfred Bergmann has created CL-Amiga, or Clamiga for short. It is a Common Lisp implementation built for the Amiga family — classic AmigaOS 3 on 68k and MorphOS as a fully native PPC build, AROS and AmigaOS 4 may be to come — but it also runs on macOS and Linux. Common Lisp is one […]Anne Barela
- 16Cyber Trace PadCyber Trace Pad is a new product by SuiLab. This LED gadget features a grid of 144 LEDs. When you touch the touchpad area, the LEDs at the top will light up according to where you touched. Additionally, performing specific actions will activate special LED motions. There are a total of 9 special motions in […]Anne Barela
- 17Tutorial: Glow Up Your Festival Coat with WLEDGlow up your festival wardrobe with programmable LEDs! In this new tutorial from Erin St Blaine, learn how to add colorful, animated lighting to a faux fur coat using WLED. The fur trim and oversized cuffs become glowing canvases for colorful animations, sound-reactive effects, and custom patterns. Different sections of the coat can run their […]Erin St Blaine
- 18Resources for designing user interfacesUnsung writes that developer Matt Sephton and others compiled many of Apple’s human interface guidelines, starting from 1980 through 2014, including some goodies like early drafts, NeXT, Newton, and so on. Additional design lists are presented – if you’d like some good links to compiled resources, see the post here.Anne Barela
- 19An open-source emulator + analysis toolkit for Nokia DCT3 phonesNokia DCT3 Emulator is an open-source emulator and architectural-analysis toolkit for Nokia DCT3-era phones — the 3310, 3210, 3410, 5210, 6210, 6250, 7110, 8210, 8250, 8810, 8850 and their siblings. It boots real firmware in the browser and in a native SDL GUI, faithfully modelling the MAD2 platform ASIC, the CCONT power controller, the […]Anne Barela
- 20Unexpected Maker FeatherS31Unexpected Maker has previewed a working FeatherS31 board based on the new Espressif ESP32-S31. Unfortunately, there are a few holes in ESP-IDF S31 support right now – some will get filled, and some likely won’t 🙁 Biggest show stopper right now is this (ESP32-S31 missing USB (OTG) CDC Console support). See the post on X/Twitter.Anne Barela
- 21Build your own Raspberry Pi factoryLevel 2 Jeff shared this video on Youtube! Raspberry Pi sent me a little piece of a Pi Factory—a CM5 Programming Jig! You can buy one too; they’re $600. Not that many people watching this will ever need one, especially considering CM5 pricing lately due to DRAM price shenanigans 🙁 It’s interesting nonetheless, so watch […]Jessie Mae
- 22Graft gives your coding agent a map of your codebaseHere’s something that may sound familiar if you’ve been coding with an AI assistant. Every time you start a new session, the agent begins blind. It greps for a term, opens a file, follows an import, backs out, and tries again, rebuilding a picture of a codebase it already mapped an hour ago and then […]Anne Barela
- 23GoldenEye 007 100% decompiledAfter roughly nine years in progress, Rare’s 1997 spy shooter GoldenEye 007 has successfully been 100% decompiled by KholdFuzion and co., exposing all the working code and microcode behind the landmark title, preserving it for generations to come, and opening the doors to a plethora of possibilities, such as more accurate and complex modifications (like Random-Eye-zer) and ports. […]Anne Barela
- 24The Reticulum NetworkReticulum is the cryptography-based networking stack for building local and wide-area networks with readily available hardware. Reticulum can continue to operate even in adverse conditions with very high latency and extremely low bandwidth. The vision of Reticulum is to allow anyone to operate their own sovereign communication networks, and to make it cheap and easy […]Anne Barela
- 253D Hangouts on Friday for CircuitPython DayHey folks, just a reminder that this weeks 3D Hangouts livestream will happen on Friday, August 21st at 11am ET in celebration of Circuit Python Day 2026. Until then, remember to make a great day! 3D Hangout Show Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVgpmWevin2slopw_A3-A8YNoe Ruiz
- 26JP’s Product Pick of the Week 8/18/26If you missed this week’s livestream of John Park’s Product Pick(s) of the Week, not to worry, here’s the video. This week’s pick is the NeoPixel Stick – 8 x 5050 WWA White LEDs with Integrated Drivers! Watch the video to find out about the NeoPixel Stick – 8 x 5050 WWA White LEDs with […]Kelly
- 27The Benchmark-pocalypseThere’s been a lot of talk about the vuln-pocalypse, to which Dan Luu doesn’t have much to add because Dan isn’t not a security person. But there hasn’t been much discussion on the closely related (and to be fair, less serious, issue), the benchmark-pocalypse. While it’s become easier than ever to make serious performance gains, […]Anne Barela
- 28Wide format scanning using photography on a train or ferryPhilomena posts on Philo’s Website about using an industrial linear scanning camera to take very wide photos out of trains and ferries. Getting it working has been quite the challenge, but I think the results speak for themselves. The camera is pointed out of a moving vehicle and is constantly capturing a single vertical line […]Anne Barela
- 29Meta files a patent for facial recognition and automatic recording of peopleMeta has filed for a patent that includes a “memory recall” system that appears to: detect people via facial recognition, record them automatically, and show you a highlights reel later. Meta’s Ray-Ban smart glasses have garnered a reputation as “covert/spy” glasses, with many reports of them being used to record people surreptitiously using the onboard […]Anne Barela
- 30Data centers raise nearby temperatures by up to 4 degrees in PhoenixA new paper in the Journal of Engineering for Sustainable Buildings and Cities entitled Data Center Waste Heat as an Emerging Urban Thermal Hazard: First Field Measurements of Neighborhood-Scale Air Temperature Impacts by David J. Sailor, Soroush Samareh Abolhassani, Eli P. Martin: Data centers are among the fastest-growing sources of concentrated anthropogenic heat in urban […]Anne Barela
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