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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