Hardware & Making
Hacker's Guide to Meshtastic: Off-Grid, Encrypted LoRa Meshnets for Cheap!
Beginners can now create off-grid, encrypted mesh networks for cheap, with applications in emergency communication, sensor monitoring, and more! These mesh networks have been popping up in cities all over the world, and this talk will go over everything a beginner needs to run or build their own nodes.
If you've ever wanted to legally create off-grid, encrypted mesh networks that can span over a hundred miles, you can get started with Meshtastic for around $10.
This talk will serve as a beginner user's guide to Meshtastic, covering everything from hardware basics to advanced software configuration. We will explore making custom Meshtastic hardware, real-world results from deploying Meshtastic in Los Angeles, and attacks against mesh networks.
Attendees will learn about LoRa, Meshtastic node and antenna options, software setup and configuration to extend its functionality, and real-world deployments of remote nodes.
Weitere Infos
| Live Stream | https://streaming.media.ccc.de/38c3/zigzag |
|---|---|
| Format | Talk |
| Sprache | Englisch |
Weitere Sessions
| 27.12.24 |
I'm not big-brained enough to use cameras on Linux, so I decided to write my own camera stack (based on a real story).
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| 27.12.24 |
Reverse engineering the Wi-Fi peripheral of the ESP32 to build an open source Wi-Fi stack.
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| 27.12.24 |
Many developers know that the answer to "How do I debug this microcontroller" is either "JTAG" or "SWD". But what does that mean, exactly? How do you get from "Wiggling wires" to "Programming a chip" and "Halting on breakpoints"? This talk will cover how common debug protocols work starting from signals on physical wires, cover common mechanisms for managing embedded processors, and ending up at talking to various common microcontrollers.
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| 27.12.24 |
The Iridium satellite (phone) network is evolving and so is our understanding of it. Hardware and software tools have improved massively since our last update at 32C3. New services have been discovered and analyzed. Let's dive into the technical details of having a lot of fun with listening to satellites.
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| 27.12.24 |
The 530 tons and 63 meter tall Ariane 6 rocket finally launched on July 9th 2024 carrying our open-source developed payloads – the SIDLOC experiment and the satellite Curium One – into space. SIDLOC tested a new, open, low-power standard for identifying and precisely locating spacecraft whilst our satellite Curium One established an open-source baseline for larger CubeSat systems and allowed us to test a bunch of new technologies. From sourcing a launch opportunity to the final integration ...
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| 27.12.24 |
Recent breakthroughs in machine learning have dramatically heightened the demand for cutting-edge computing chips, driving advancements in semiconductor technologies. At the forefront of this progress is Extreme Ultraviolet (EUV) lithography—a transformative method in microchip fabrication that enables the creation of ultra-small, high-performance devices. However, the path from raw materials to these state-of-the-art chips navigates a complex global supply chain riddled with technical ...
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| 27.12.24 |
Custom silicon chips are black boxes that hold many secrets, like internal ROMs, security features and audio DSP algorithms. How does one start reverse engineer them? Let's look at the basics of silicon reverse engineering, what gate array chips are, and how some tooling can generate Verilog code automatically from a die shot.
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