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@dc540.org

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14.11.2024
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Latest posts by @dc540.org

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Join the DC540 Discord Server! Check out the DC540 community on Discord - hang out with 1289 other members and enjoy free voice and text chat.

DC540 Virtual meetup: 6:30pm Eastern time Monday 9/15.

If you're a NOVA Defcon attendee, past, present or future, jump in and make your presence known. These connections often bear fruit.

discord.gg/xVRpNbvaAR

14.09.2025 19:11 👍 1 🔁 0 💬 0 📌 0
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First DC540 meeting in a new member-provided space last night was a big success. We felt welcomed, the meeting was well-attended, and good conversations were had. Sounds like we may be back at this space again in October. Stay tuned.

26.08.2025 13:18 👍 1 🔁 0 💬 1 📌 0
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DC540 has a badge for DEFCON this year. Nope. It doesn’t blink. Nope. It doesn’t have a screen. Nope. It didn’t cost us hundreds of man-hours and thousands of dollars to create. Check it out at this link:
30.07.2025 23:51 👍 1 🔁 1 💬 0 📌 1
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PowerChute Network Shutdown and multiple UPSes I gotta tell you, APC’s PowerChute Network Shutdown (PCNS) has a shitty interface. And shitty documentation. I was using it to control a UPS in a rack, and I thought, well, I have other racks…
18.07.2025 14:41 👍 0 🔁 0 💬 0 📌 0
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ID Badge Printing fun So some years ago I picked up a Fargo DTC400e id badge printer at auction. It was cheap, and something I wanted to fool around with. I had already been recreationally fooling around with magstripe and RFID cards, it just seems like a natural progression of interests. A recent meeting revitalized my interest. There's a thing the group wants to do and it might come in handy.

ID Badge Printing fun

So some years ago I picked up a Fargo DTC400e id badge printer at auction. It was cheap, and something I wanted to fool around with. I had already been recreationally fooling around with magstripe and RFID cards, it just seems like a natural progression of interests. A recent…

01.04.2025 14:39 👍 2 🔁 0 💬 0 📌 0
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ID Badge Printing fun So some years ago I picked up a Fargo DTC400e id badge printer at auction. It was cheap, and something I wanted to fool around with. I had already been recreationally fooling around with magstripe …
01.04.2025 14:33 👍 0 🔁 0 💬 0 📌 0
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Discord - Group Chat That’s All Fun & Games Discord is great for playing games and chilling with friends, or even building a worldwide community. Customize your own space to talk, play, and hang out.

DC540's Monday evening virtual meeting has begun. Find us on discord. discord.com/channels/669...

17.03.2025 22:45 👍 0 🔁 0 💬 0 📌 0
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Join the DC540 Discord Server! Check out the DC540 community on Discord - hang out with 1262 other members and enjoy free voice and text chat.

We're in person tomorrow in Chantilly/South Riding. Learn about it here: discord.gg/C8cWANkX?eve...

09.03.2025 12:22 👍 0 🔁 0 💬 0 📌 0
More meshtastic fun: Part 4: Range Testing Of course, you want to know how far your signal is going in every direction. If you're lucky, you have Kevin to test with who repeatedly types the word The into his app without letting you know if he's actually seeing your messages. I am assuming that The is his auto-correct changing Test to The. But if you actually want scientific data, you might want to look into the Range Testing feature (found in Module config).

More meshtastic fun: Part 4: Range Testing

Of course, you want to know how far your signal is going in every direction. If you're lucky, you have Kevin to test with who repeatedly types the word The into his app without letting you know if he's actually seeing your messages. I am assuming that The…

01.02.2025 14:24 👍 0 🔁 0 💬 0 📌 0
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More meshtastic fun: Part 4: Range Testing Of course, you want to know how far your signal is going in every direction. If you’re lucky, you have Kevin to test with who repeatedly types the word The into his app without letting you kn…
01.02.2025 14:18 👍 0 🔁 0 💬 0 📌 0
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Meshtastic: Device options As promised, another post to specifically discuss beginner Meshtastic device options. Whatever you order, if you’re in the US make sure you order the 915MHz version. I started with a RAK Wisb…
25.01.2025 02:14 👍 0 🔁 0 💬 1 📌 0
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Let’s all learn Meshtastic together! So a recent discussion with one of our members led me to finally jump into Meshtastic. I wonder how many of y’all want to play along…Meshtastic, in this particular use case, enables a t…
24.01.2025 17:34 👍 0 🔁 0 💬 1 📌 0

I'm not 100% clear. Watermarks as in vendor identifiers, or watermarks as in unintentional blemishes?

15.01.2025 17:57 👍 1 🔁 0 💬 3 📌 0

Pretty sure that "Ready for Apple Intelligence" flag in my system settings will be active for quite some time.

15.01.2025 15:09 👍 1 🔁 1 💬 1 📌 0
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Nova Labs: Consistent Meetup Space Dear Members, Based on recent exciting conversations, and a tour a few weeks ago, we are excited to announce a significant step forward in our efforts to grow our group and provide greater access t…
09.12.2024 01:47 👍 0 🔁 0 💬 0 📌 0

This ecosystem and its inhabitants feel a little punk rock to me, and that makes me feel at home. I hope we can hold on to some of that energy and make it last.

19.11.2024 05:08 👍 0 🔁 0 💬 0 📌 0
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Join the DC540 Discord Server! Check out the DC540 community on Discord - hang out with 1187 other members and enjoy free voice and text chat.

DC540 Nova is having our November public meetup this evening at the Gum Spring Library in Aldie VA, Meeting Room A, 7PM. Come meet your new favorite "local" hacker community and death cult. #defcon

discord.gg/vnDQehXV?eve...

18.11.2024 15:27 👍 4 🔁 2 💬 0 📌 0
DC540 Rocks Your Triple-Striped Tube Socks

DC540's bsky account here. We meet on Mondays. Sometimes in northern Virginia, sometimes on Discord. We'll try to make announcements here. No promises. Best place to find out more about is is by hitting our actual Discord. Link on website (dc540.org).

Yes, we killed our xitter account too.

15.11.2024 01:09 👍 0 🔁 0 💬 0 📌 0
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Badge Announcement Sure, it was haphazard. We shat out a badge announcement tonight. You wanna know why? Because Kevin and Txnner put together such a beautiful intro/promo demo that it just begged for public consumpt…
18.04.2024 04:08 👍 0 🔁 0 💬 0 📌 0