NEW GUIDE: MagTag IoT Menorah #AdafruitLearningSystem @Adafruit

Every year for Hanukkah, you light a candle every night for 8 days. Whether you sometimes lose track of which night it is or you can’t light candles in your space, this project helps you out by making the menorah digital and keeping time with the internet. Every day, the MagTag fetches the date and time, compares it to the start date of Hanukkah and updates the menorah graphic accordingly.

Read more at MagTag IoT Menorah

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Using a Commodore 1541 floppy drive as a KIM-1 computer

The Commodore 1541 disk drive contains a MOS 6502 CPU, along with some RAM, ROM, and other necessary supporting hardware. You might remember that’s the very same CPU that powers the Commodore 64 itself, along with a wide range of other 1980s machines.

With a bit of work, that CPU can indeed be made to act like a general purpose computer instead of a single-purpose disk controller. And Dave McMurtrie has done just that, porting the KIM-1 Monitor modified to run on a Commodore 1541 Disk Drive.

See the video below and read more on Hackaday. The code is on GitHub.

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Introducing LEGO SMART Play, with tiny intelligent bricks

The LEGO Group has introduced LEGO® SMART Play, a new play innovation that brings LEGO creations to life like never before. The platform is powered by the LEGO SMART Brick, which is packed with ground-breaking, world-first technologies that means LEGO builds can respond to how they are played with for the first time.

LEGO SMART Play brings LEGO creations to life through advanced technology, enabling open-ended physical play, all without screens – and its platform elements are compatible with the existing LEGO System-in-Play.

The LEGO SMART Brick is packed with technologies that bring play to life including sensors, accelerometers, light sensing and a sound sensor as well as a miniature speaker driven by an onboard synthesizer, and much more, in addition to easy wireless charging.

LEGO SMART Tags and LEGO SMART Minifigures are paired with the LEGO SMART Brick to power the system and allow builders’ creations to become interactive, responding to actions with appropriate sounds and behaviors, allowing for a truly responsive play experience.

LEGO SMART Play launches on March 1st, 2026, and will continue to expand and grow with new updates, launches and technology for the platform to come. The first LEGO SMART Play-enabled sets will be part of the LEGO® Star Wars program, meaning that a galaxy far, far away…. can now play back.

Read more in the press release here.

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NYPL: 20 Books With Upcoming Screen Adaptations

The New York Public Library shared 20 books that have upcoming screen adaptations. So if you like to read before watching or watching before you read, here’s a list of fun releases headed to the screen.

If you’re the sort who has to read the book before you see the screen adaptation—cancel all your plans. You’ll need to burn the midnight oil to keep up! Here are 20 page-to-screen adaptations being released in the next several months. They range from classics like Wuthering Heights and The Count of Monte Cristo to twisty thrillers based on long-running series like the Harry Hole and Kay Scarpetta series to romance, scifi, and much more.

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ESP-EEG: 8-channel biosensing board designed for EEG, EMG, ECG, and Brain Computer Interface (BCI) research

Cerelog ESP-EEG is a high-precision 8-channel biosensing board designed for EEG, EMG, ECG, and Brain Computer Interface (BCI) research applications.

ESP-EEG’s Python client software can stream data via the standard neuroscience software communication protocol Lab Streaming Layer. This means you can stream directly to your favorite neuroscience software or MATLAB running on your laptop or remote computers, record data streams, and integrate ESP-EEG’s data with other data streams.

Technical Specifications

Feature	Specification
ADC	Texas Instruments ADS1299 (24-bit, Research Grade)
Channels	8 Differential Channels + 1 Active Bias (Noise Cancellation)
Sample Rate	250 SPS (Default)
Processor	ESP32-WROOM-DA (Dual Core, WiFi/BT capable)
Connectivity	USB-C (Data/Power) & WiFi/Bluetooth (Hardware Ready)
Montage	Referential (SRB1 = Ref) by default. Configurable to Sequential. See firmware folder for more information

Read more on GitHub.

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Vibe-coding an ESP32 version of Micro QuickJS

Conor O’Neill notes that Fabrice Bellard has released a tiny new JavaScript engine called Micro QuickJS. He says:

I looked at the small stack of ESP32 C6, H2 and S3 boards on my desk and thought “well this could be fun”. So I set about Vibe Coding an ESP32 port of MQuickJS.

I’m an unapologetic Vibe Coder and absolutely reject a lot of the hatred directed at it. I see it as a tool to get things done faster or enable me to do things I wouldn’t otherwise be able to do. Running MQuickJS on an ESP32 is definitely in the latter category.

Cursor with ChatGPT 5.1 Codex Max and Opus 4.5 got me a fully functional REPL running on an ESP32-S3 in less than 3 intermittent hours. Another hour to get LED Blinken-Lights working. Less than 30 minutes to switch from ESP32-S3 (240Mhz dual-core Xtensa LX7) to ESP32-C6 (160MHz single-core RISC-V) and ESP32-H2 (96Mhz single core RISC-V) microcontrollers.

Read more in the post here and see the project on GitHub.

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A Modern Calculator and Clock From a Broken 50-Year-Old Calculator

This impressive project from Japanese maker shiura had me wondering where all my old calculators went.

In this project, I show how to turn parts from a single old, broken calculator into two modern desktop accessories—an RPN calculator and a Wi-Fi–synchronized clock. You don’t have to choose just one: both can be built from the same calculator.

See more details here on Instructables.

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Electricity for Kids | What is Electricity? Where does Electricity come from?

Learn Bright shared this video on Youtube!

NOTE: We would like to correct an error in this video. Birds do not get electrocuted when resting on power lines because there is no path to ground. Electricity has to flow from a place of high potential to low potential to electrocute. If a bird were to touch the line and some grounded metal of some kind, they could be shocked.

Hello Teachers and Parents! In this video we will learn all about electricity. Your student(s) will learn about lightning, power plants, Direct Current (DC) and Alternating Current (AC). We even talk about when electricity was discovered and go over topics like conductors and insulators. By the time you are done watching this video your child will have a much better understanding of what electricity is, where it comes from, and the amazing things it can do.

We know that electricity can be a tricky topic to cover so throughout the video we provide really good examples and break down the complex ideas…

Learn more!

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NASA: 2025 Review and 2026 Preview

NASA shared this video on YouTube!

In 2025, we stacked the Artemis II rocket, certified next-generation lunar spacesuits, celebrated 25 years on the International Space Station, and snapped the closest pictures ever taken of the Sun.

We’re not just going back to the Moon in 2026 – we’re paving the way to Mars, exploring the stars, and dominating the skies, setting the stage for a historic year ahead.

Learn more about our agency highlights:

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MIDI Stepper Synth Playing Deltarune’s “From Now On”

MIDI Stepper Synth V2 image via GitHub

 

By controlling the speed of a stepper motor you can tune the hum to specific notes. Get enough stepper motors together and you can play a song! Jonathan Kayne’s YouTube Channel posts a bunch of fun MidiCovers. Checkout “From Now On” (Deltarune Chapter 4) – Stepper Motor Cover below:

This musical instrument uses a DE0-nano FPGA (Cyclone IV), Custom PCBs, A4988 Stepper Drivers and NEMA-17 Bipolar Stepper Motors to turn MIDI into 8 tracks of 4 volume levels.

LINKS:

Official Project Page:
https://github.com/jzkmath/MIDI-Stepp…

Virginia Tech AMP Lab:
https://amp-lab.org/

MIDI and Project Files:
https://github.com/jzkmath/MIDI-Stepp…

Thanks for sharing

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Adafruit Motor Selection Guide

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JP’s Product Pick of the Week 12/30/25 @adafruit @johnedgarpark #adafruit #newproductpick

If you missed this week’s livestream of John Park’s Product Pick of the Week, not to worry, here’s the video. This week’s pick is the Adafruit 1.2″ 8×8 LED Matrix Backpack w STEMMA QT! Watch the video to find out about the Adafruit 1.2″ 8×8 LED Matrix Backpack w STEMMA QT, how to use it, a live demo, and more.

Want more JP’s Product Pick of the Week?! Tune in every Thursday at 4pm ET and 1pm PT on Youtube LIVE, Twitch, Periscope (Twitter) and Facebook. LIVE TEXT CHAT IS HERE in the Adafruit Discord chat!

Catch previous editions on YouTube and don’t miss our gift guide!

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Modular Gear Dryer #3DThursday #3DPrinting

EvolvedGeometry shares:

I was sick of always having a pile of snow stuff (gloves, hats, gators, etc.) after coming in from the snow. Whether it was skiing, snowblowing, playing in the yard with the kids, it got to be too much. As a solution, I designed this modular tree-style gear dryer. The base has 4 holes for 8mm magnets that I superglued into place.

Available attachments include a cross wye, tee wye, perforated tubes and caps to blank off any unused branch. As you can see from the photos, I stack it pretty high and have only had tipping issues when one of the kids (or the dog) knocked it over.

download the files on: https://makerworld.com/en/models/2160751-modular-gear-dryer

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Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!

LIVE CHAT IS HERE! http://adafru.it/discord

Adafruit on Instagram: https://www.instagram.com/adafruit

Shop for parts to build your own DIY projects http://adafru.it/3dprinting

3D Printing Projects Playlist:

3D Hangout Show Playlist:

Layer by Layer CAD Tutorials Playlist:

Timelapse Tuesday Playlist:

Connect with Noe and Pedro on Social Media:

Noe’s Twitter / Instagram: http://instagram.com/ecken

Pedro’s Twitter / Instagram: http://instagram.com/videopixil

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10-19inch Drawer for Raspberry Pi 4+5 [V2] #3DThursday #3DPrinting

Shared by domatrix on MakerWorld:

This drawer slot can mount a Raspberry Pi 3/4 or Raspberry Pi 5 and is designed for builds optionally using a Waveshare Micro HDMI adapter board, a MicroSD (TF) to SD-Card adapter and a 1.5” OLED display (SPI variant).

It also has enough space for up to two PWM modules, up to two 30x30x8mm fans (default Raspberry Pi fans, no screws needed) a step-down converter, different RTC battery models and several cable fasteners.

Download the files and learn more

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Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!

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