AI Assistant Uses ESP32

February 27, 2026 by Al Williams 11 Comments

Having an AI assistant is all the rage these days, but AI assistants usually don’t know about your automation setups and may have difficulty dealing with tasks asynchronously. Enter zclaw. It gives you the option to have a personal assistant on an ESP32 backed by Anthropic, OpenAI, or OpenRouter. The whole thing fits in 888KB, and while it doesn’t host the LLM, it does add key capabilities to monitor and control devices connected to the ESP32.

You communicate with the assistant via telegram. You can say things like “Remember the garage sensor is on GPIO 4.” Then later you might say: “In 20 minutes, check the garage sensor and if it is high, set GPIO 5 low.” It has an RTOS for scheduling tasks and is aware of the timezone and common periods. Memory persists across reboots, and you can pick different personas.

Continue reading “AI Assistant Uses ESP32” →

Video Game Archive Myrient To Shut Down On March 31

February 27, 2026 by Maya Posch 16 Comments

Recently the Myrient game video archive announced that they’re shutting down on March 31st of this year, for a couple of reasons, but primarily the skyrocketing financial costs of hosting the archive. One advantage of Myrient over e.g. Archive.org is that – per the FAQ – every game on the site is curated and checked against a checksum of a known good copy. The site also focuses on fast downloads, making it a good resource if you’re trying to find ROMs of some more obscure old gaming system.

Amidst the mourning it seems also pertinent to address the reasons behind this shutdown. Although finances are the main reason for this hobby project to be shut down, it’s due to (paywalled) download managers that have recently appeared, and which completely bypass the donation requests and similar on the website. Despite use of Myrient for commercial, for-profit purposes having always been explicitly forbidden, this has been ignored to the point where the owner of Myrient had to shell out over $6,000 per month to cover the difference after donations.

Along with the rising costs of hosting due to rising storage and RAM prices courtesy of AI datacenter buildouts, this has meant that a hobby archive like this has become completely unsustainable. Barring good ways to block illegal traffic like these download tools and/or a surge in donations, it would seem that all archives like this are at risk of shutting down, along with other sites that contain commercially interesting content.

Let Hauntimator Steer Your Next Animatronic Display

February 27, 2026 by Donald Papp 2 Comments

Animatronic displays aren’t just for Halloween, and hackers today have incredible access to effective, affordable parts with which to make spectacles of light, sound, and movement. But the hardware is only half the battle. Getting everything synchronized properly can be a daunting task, so get a head start on your next holiday display with the Hauntimator by [1031-Systems].

Synchronizing control channels to audio is at the heart of solid animations.

After all, synchronizing movements, sound, and light by trial and error can get tiresome even in small setups. Anyone who makes such a display — and contemplates doing it twice — tends to quickly look into making things modular.

At its heart, Hauntimator works with a Raspberry Pi Pico-based controller board. The GUI makes it easy to create control channels for different hardware (for example, doing things like moving servos) and synchronize them to audio. Once an animation is validated, it gets uploaded to the control board where it runs itself. It’s open-source and designed to make plugins easy, so give it a look. There’s a video channel with some demonstrations of the tools that should fill in any blanks.

Intrigued by animatronics, but not sure where to begin? Get inspired by checking out this DIY set of servo-driven eyes, and see for yourself the benefits of smooth motor control for generating lifelike motion.

Hackaday Podcast Ep 359: Flying Squids, Edible Passwords, And A CAD Automaton

February 27, 2026 by Al Williams 7 Comments

Hackaday editors Elliot Williams and Al Williams met up to trade their favorite posts of the week. Tune in and see if your favorites made the list. From crazy intricate automata to surprising problems in Peltier cooler designs, there’s a little bit of everything.

Should bikes have chains? What’s the hardest thing about Star Trek computers to duplicate? Can you make a TV station from a single microcontroller? The podcast this week answers these questions and more. Plus, weigh in on the What’s That Sound contest and you might just score a Hackaday Podcast T-shirt.

For the Can’t Miss segment, Elliot had airships on his mind, while Al’s sick of passwords. But is he sick enough to take electronic pills that transmit his password?

Or download the bit stream and decrypt it by XORing each byte with zero.

Continue reading →

Inside Project Silica, Now On Bakeware

February 27, 2026 by Al Williams 32 Comments

You see it all the time in science fiction: the heroes find old data, read it, and learn how to save the day. But how realistic is that? Forget aliens. Could you read a stack of punch cards or a 9-track tape right now? Probably not, and those are just a handful of decades in the past. Fast forward a few centuries, and punch cards will decay, and tapes will lose their coating. More modern storage is just as bad. It simply isn’t made to last for thousands of years. Microsoft has Project Silica, which aims to store data in quartz glass with a potential lifetime of many thousands of years.

As you might expect, this is a write-once technology. Lasers write the data, and polarization-sensitive microscopes read it back. Electromagnetic fields don’t matter. You can’t accidentally change the data while reading. A square glass platter the size of a DVD can hold about 7 TB of data.

While the program is not a new one, they’ve recently published results using ordinary borosilicate glass (like your Pyrex baking dish is made from) as a storage medium. They say writing is also more efficient, and reading now requires only one camera instead of the three in the original system. The paper identifies birefringent voxel writing, phase voxels, and more.

Obviously, this isn’t for the casual project. But we have to wonder if hackers could do something similar with lower densities, for example. Unlike other methods we’ve seen, no DNA is involved.

Continue reading “Inside Project Silica, Now On Bakeware” →

Reflections On Ten Years With The Wrencher

February 27, 2026 by Jenny List 21 Comments

An auspicious anniversary passed for me this week, as it’s a decade since I started writing for Hackaday. In that time this job has taken me all over Europe, it’s shown me the very best and most awesome things our community has to offer, and I hope that you have enjoyed my attempts to share all of that with you. It’s worth a moment to reflect on the last ten years in terms of what has made our world during that time. Continue reading “Reflections On Ten Years With The Wrencher” →

Why Peeling Adhesive Tape Is So Unreasonably Noisy

February 27, 2026 by Maya Posch 12 Comments

Although not as reviled as the sound of nails on chalkboard, the sound of adhesive tape being peeled is quite probably at least as distinctive. With every millimeter of the tape’s removal from the roll sounding like it’s screaming in protest, it has led some to wonder just why this process is noisy enough to be heard from across an open-plan office. Recently [Er Qiang Li] et al. had their paper on a likely theory published in Physical Review E, in which they examine the supersonic air pulses at the core of this phenomenon.

The shockwaves produced by peeling tape, captured on Schlieren imaging. (Credit: Er Qiang Li et al., 2026)

Using rolls of adhesive tape and two microphones synchronized with two high-speed cameras in a Schlieren imaging setup, they gathered experimental data of this stick-slip mechanism. Incidentally, in addition to this auditory effect, adhesive tape is also known for the triboluminescence effect, as well as the generating of X-rays, making them quite the source of scientific demonstrations, even when they’re not also being used to create graphene with.

What they deduced from the recorded data was that the transverse fractures that suddenly appear after the extended stick phase hold a vacuum until they reach the end of the fracture during the brief slip phase, at which point the vacuum collapses very suddenly. This produces a pressure of 9600 Pa and clearly visible shock fronts on the Schlieren images.

Now that we know why peeling adhesive tape from its roll is so noisy, it won’t make it any more quiet, but at least we can add another fascinating science fact to its roll of achievements.