Hackaday Europe 2025: Speaker Schedule And Official Event Page

Hackaday Europe 2025 is just days away, and we’ve got the finalized speaker schedule hot off the digital press. We’re also pleased to announce that the event page is now officially live, where you can find all the vital information about the weekend’s festivities in one place.

Whether you’ll be joining the fun in Berlin, or watching the live stream from home, we’ve got a fantastic lineup of speakers this year who are eager to tell us all about the projects that have been keeping them up at night recently:

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Red and gold bakelite Philco farm radio on a workbench

Hacking A Heavyweight Philco Radio

There’s something magical about the clunk of a heavy 1950s portable radio – the solid thunk of Bakelite, the warm hum of tubes glowing to life. This is exactly why [Ken’s Lab] took on the restoration of a Philco 52-664, a portable AC/DC radio originally sold for $45 in 1953 (a small fortune back then!). Despite its beat-up exterior and faulty guts, [Ken] methodically restored it to working condition. His video details every crackling capacitor and crusty resistor he replaced, and it’s pure catnip for any hacker with a soft spot for analog tech. Does the name Philco ring a bell? Lately, we did cover the restoration of a 1958 Philco Predicta television.

What sets this radio hack apart? To begin with, [Ken] kept the restoration authentic, repurposing original capacitor cans and using era-appropriate materials – right down to boiling out old electrolytics in his wife’s discarded cooking pot. But, he went further. Lacking the space for modern components, [Ken] fabbed up a custom mounting solution from stiff styrofoam, fibreboard, and all-purpose glue. He even re-routed the B-wiring with creative terminal hacks. It’s a masterclass in patience, precision, and resourcefulness.

If this tickles your inner tinkerer, don’t miss out on the full video. It’s like stepping into a time machine.

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Soviet ZX Spectrum clone on a table

ZX Spectrum, Soviet Style: A 44-IC Clone You Can Build

If you’ve ever fancied building a ZX Spectrum clone without hunting down ancient ULAs or soldering your way through 60+ chips, [Alex J. Lowry] has just dropped an exciting build. He has recreated the Leningrad-1, a Soviet-built Spectrum clone from 1988, with a refreshingly low component count: 44 off-the-shelf ICs, as he wrote us. That’s less than many modern clones like the Superfo Harlequin, yet without resorting to programmable logic. All schematics, Gerbers, and KiCad files are open-source, listed at the bottom of [Alex]’ build log.

The original Leningrad-1 was designed by Sergey Zonov during the late Soviet era, when cloning Western tech was less about piracy and more about survival. Zonov’s design nailed a sweet spot between affordability and usability, with enough compatibility to run 90-95% of Spectrum software. [Alex]’ replica preserves that spirit, with a few 21st-century tweaks for builders: silkscreened component values, clever PCB stacking with nylon standoffs, and a DIY-friendly mechanical keyboard hack using transparent keycaps.

While Revision 0 still has some quirks – no SCART color output yet, occasional flickering borders with AY sound – [Alex] is planning for further improvements. Inspired to build your own? Read [Alex]’ full project log here.

This Week In Security: Zen Jailbreak, Telegram Exploit, And VMware Hyperjack

The fine researchers at Google have released the juicy details on EntrySign, the AMD Zen microcode issue we first covered about a month ago. And to give away the punchline: cryptography is hard. It’s hard in lots of ways, but the AMD problem here is all about keeping track of the guarantees provided by cryptographic primitives.
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Hackaday Europe 2025 Welcomes David Cuartielles, Announces Friday Night Bring-a-Hack

If you’re coming to Hackaday Europe 2025, you’ve got just over a week to get your bags packed and head on out to Berlin. Of course you have tickets already, right? And if you were still on the fence, let us tempt you with our keynote talk and some news about the Friday night meetup, sponsored by Crowd Supply.

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Skype Is Shutting Down On May 5th

In a move that could have been seen coming from at least a decade away, Microsoft has confirmed that the Skype service will be shutting down on May 5. This comes after an intrepid person stumbled over a curious string in the latest Skype for Windows preview. This string seemed intended to notify the user about the impending shutdown, telling them to migrate to Teams instead.

Skype was originally created in 2003 by a group of European developers, where it saw some success, with the service being acquired by Microsoft in 2011. Much like other messaging services, each Skype user has a unique ID, but there is also integration with phone services around the world. When Microsoft overhauled the user interface in 2017, this caused a split between ‘classic’ UI fans and the heretics who liked the new interface.

With Microsoft not really finding a way to stop the bleeding of users by this time, and with its nascent Teams service enjoying success despite any complaints anyone might have about it, it seems that now the time has come where Skype will be put out to pasture. For the handful of Skype users still left today, the options are to either download your data before it’s erased, or to move your user account to Teams.

This Week In Security: Malicious Themes, Crypto Heists, And Wallbleed

It’s usually not a good sign when your downloaded theme contains obfuscated code. Yes, we’re talking about the very popular Material Theme for VSCode. This one has a bit of a convoluted history. One of the authors wanted to make some money from all those downloads. The original Material Theme was yanked from the VSCode store, the source code (improperly) re-licensed as closed source, and replaced with freemium versions. And this week, those freemium versions have been pulled by Microsoft for containing malware.
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