An Ode To The SAO

There are a lot of fantastic things about Hackaday Supercon, but for me personally, the highlight is always seeing the dizzying array of electronic bits and bobs that folks bring with them. If you’ve never had the chance to join us in Pasadena, it’s a bit like a hardware show-and-tell, where half the people you meet are eager to pull some homemade gadget out of their bag for an impromptu demonstration. But what’s really cool is that they’ve often made enough of said device that they can hand them out to anyone who’s interested. Put simply, it’s very easy to leave Supercon with a whole lot more stuff than when you came in with.

Most people would look at this as a benefit of attending, which of course it is. But in a way, the experience bummed me out for the first couple of years. Sure, I got to take home a literal sack of incredible hardware created by members of our community, and I’ve cherished each piece. But I never had anything to give them in return, and that didn’t quite sit right with me.

So last year I decided to be a bit more proactive and make my own Simple Add-On (SAO) in time for Supercon 2023. With a stack of these in my bag, I’d have a personalized piece of hardware to hand out that attendees could plug right into their badge and enjoy. From previous years I also knew there was something of an underground SAO market at Supercon, and that I’d find plenty of people who would be happy to swap one for their own add-ons for mine.

To say that designing, building, and distributing my first SAO was a rewarding experience would be something of an understatement. It made such an impression on me that it ended up helping to guide our brainstorming sessions for what would become the 2024 Supercon badge and the ongoing SAO Contest. Put simply, making an SAO and swapping it with other attendees adds an exciting new element to a hacker con, and you should absolutely do it.

So while you’ve still got time to get PCBs ordered, let’s take a look at some of the unique aspects of creating your own Simple Add-On.

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2024 Hackaday Superconference Speakers, Round Two

It’s honestly amazing the range of fascinating talks we have lined up for this year’s Supercon. From art robots that burp and belch to gliders returning from near-space, from hardcore DSP to DIY PCBs, and sketching with machines, Hackaday’s Supercon is like nothing else out there.

And in case you’re already coming, you don’t have a talk slot reserved, but you’ve still got something that you want to say, please sign yourself up for a Lightning Talk! In the spirit of the Lightning, we’ll be taking submissions up to the absolute last minute, and we will fit in as many short talks as possible, but when it does fill up, we’ll be giving priority to those who got in first.

We’ve got one more speaker announce coming up, and of course our keynote speaker and the badge reveal. Supercon will sell out so get your tickets now before it’s too late. So without further ado, here is our next round of stellar speakers!

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2024 Hackaday Supercon Workshop Tickets Go On Sale Now

Our workshop ticket sales go live today at 8 AM PDT! If you’re coming to Supercon, and you’re interested, go get your workshop ticket before they all sell out!

There will be a change to this year’s workshop ticket limits. We heard our community’s feedback, and in the spirit of giving as many people as possible the opportunity to enjoy a workshop, we are limiting sign up to one workshop per attendee. If there are extra tickets by October 18th, we will allow folks to sign up for additional workshops.

If you register for more than one workshop we will refund you the ticket for the others based on the timestamp that you registered for each ticket (leaving only the ticket for the first workshop you registered for). We hope everyone understands our goal is to allow more people to experience a Supercon workshop due to limited space.

And of course, you can’t join in the workshops at Supercon without coming to Supercon. So get your tickets now if you haven’t already.

Stay tuned tomorrow for more speaker announcements!

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2024 Hackaday Superconference Speakers, Round One

Supercon is the Ultimate Hardware Conference and you need to be there! We’ve got a stellar slate of speakers this year — way too many to feature in one post. So here’s your first taste, and a reminder that Supercon will sell out so get your tickets now before it’s too late.

In addition to the full-length talks, we’ve got a series of Lightning Talks, so if you want to share seven minutes’ of insight with everyone there, please register your Lightning Talk idea now.

But Supercon has a lot more than just talks! The badge heavily features Supercon Add-Ons, and we want to see the awesome SAOs you are working on. There will be prizes, and we’ll manufacture four of our favorite designs in small batches for the winners, and make a full run for Hackaday Europe in 2025. Want to know more about SAOs? They’re the ideal starter PCB project.

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Supercon 2024: Last Call For Display Tech Exhibit

During this year’s Hackaday Supercon, the Supplyframe DesignLab will be playing host to a unique exhibit that catalogs the evolution of display technology. That means showcasing the best and most interesting examples they can find, from the vintage to the ultra-modern. Where are all these wonderful toys coming from, you might ask? Why, the Hackaday community, of course.

This is a rare chance to show off your prized gadgetry to a captive audience of hackers and makers. Whether it’s a custom display you’ve created or some gonzo piece of hardware you’ve been holding onto for years, now’s the time to haul it out. However, there are only a few days left to submit your display for potential inclusion, so if you’ve got something you want the Hackaday community to see, make sure you fill out the form before the September 16th deadline. That’s Monday, if you were wondering.

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There’s Already A Nixie Addon For The 2024 Supercon Badge

Nixie tubes are cool, and hackers like them. Perhaps for those reasons more than any other, [Kevin Santo Cappuccio] has developed a very particular Simple Add-On for the 2024 Hackaday Supercon badge.

Rad, no?

The build began with a Burroughs 122P224 Nixie tube, and a HV8200 power supply. The latter component is key—it’s capable of turning voltages as low as 3 V into the 180V needed to power a Nixie. Then, an 18-position selector switch was pulled out of a resistance substitution box, and [Kevin] whipped up a basic DIY slip ring using some raw copper clad board.

Smoosh it all together, and what do you get? It’s a Nixie tube you can spin to change the number it displays. Useful? Hardly, unless you want to display varying glowing numbers to people at unreadable angles. Neat? Very. Just don’t touch any of the pins carrying 180 V, that’ll sting. Still, [Kevin] told us it’s pretty tucked away. “I’m totally comfortable touching it, but also would get sued into oblivion selling these on Amazon,” he says.

As [Kevin] notes in his post, the 2024 badge is all about the add-ons— and there’s actually a contest! We suspect [Kevin] will have a strong chance of taking out the Least Manufacturable title.

If you need more information about the Simple Add-On (SAO) interface, [Brian Benchoff] posted the V1.69bis standard on these very pages back in 2019. Apparently the S used to stand for something else. Video after the break.

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Supercon 2024: May The Best Badge Add-Ons Win

One of our favorite parts of Hackaday Supercon is seeing all the incredible badge add-ons folks put together. These expansions are made all the more impressive by the fact that they had to design their hardware without any physical access to the badge, and with only a few weeks’ notice. Even under ideal conditions, that’s not a lot of time to get PCBs made, 3D print parts, or write code. If only there was some standard for badge expansions that could speed this process up…

The SAO Wall at Supercon 2023

But there is! The Simple Add-On (SAO) standard has been supported by the Supercon badges since 2019, and the 2×3 pin connector has also popped up on badges from various other hacker events such as HOPE and DEF CON. There’s only one problem — to date, the majority of SAOs have been simply decorative, consisting of little more than LEDs connected to the power pins.

This year, we’re looking to redefine what an SAO can be with the Supercon Add-On Contest. Don’t worry, we’re not changing anything about the existing standard — the pinout and connector remains the same. We simply want to challenge hackers and makers to think bigger and bolder.

Thanks to the I2C interface in the SAO header, add-ons can not only communicate with the badge, but with each other as well. We want you to put that capability to use by creating functional SAOs: sensors, displays, buttons, switches, rotary encoders, radios, we want to see it all! Just make sure you submit your six-pin masterpiece to us by the October 15th deadline.

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