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  • Siphon: Building a Zero-Trust Edge Gateway for Home Assistant

    calendar Mar 30, 2026 · 4 min read · siphon home_assistant etl iot  ·
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    Siphon: Building a Zero-Trust Edge Gateway for Home Assistant

    If you are exposing your Home Assistant instance directly to the Internet, you are playing Russian roulette with your local network. It only takes one zero-day vulnerability in a custom integration to give a botnet full access to your smart home and everything else on your LAN. But we live in a connected world. You still need a way for external services—like a GPS tracker on your car, a webhook from a Garmin watch, or a custom script running on a remote VPS to push data into your home.


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  • Project TELEGRAPH (Part 3): Bare Metal, Bit-Banging, and the 4MB Heist

    calendar Mar 27, 2026 · 13 min read · arm reverse_engineering electronics telegraph  ·
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    Project TELEGRAPH (Part 3): Bare Metal, Bit-Banging, and the 4MB Heist

    With our custom ESP32 wireless flasher built and tested in Part 2, we finally severed the USB cord. Now it was time to actually run some code on the clock's STM32F105RB.


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  • Project TELEGRAPH (Part 2): Escaping the Cables with a Custom ESP32 Wireless Flasher

    calendar Mar 9, 2026 · 4 min read · telegraph electronics reverse_engineering wireless  ·
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    Project TELEGRAPH (Part 2): Escaping the Cables with a Custom ESP32 Wireless Flasher

    Let’s be honest: the reality of hardware reverse engineering usually involves sitting hunched over a cluttered desk, tethered to your target device by a short USB cable, constantly manually resetting the board. I don't have much space on my desk, and I absolutely despise cable clutter.


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  • Project TELEGRAPH (Part 1): Rescuing a $15 LED Matrix from Software Purgatory

    calendar Mar 8, 2026 · 4 min read · telegraph MekOps reverse_engineering electronics  ·
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    Project TELEGRAPH (Part 1): Rescuing a $15 LED Matrix from Software Purgatory

    Sometimes the best hardware hacking projects start because you refuse to accept terrible UX.


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  • Defining MekOps: Why I'm Bringing Cloud-Native to Bare Metal

    calendar Jan 24, 2026 · 2 min read · philosophy architecture MekOps  ·
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    Defining MekOps: Why I'm Bringing Cloud-Native to Bare Metal

    The gap between Cloud infrastructure and Embedded systems is too wide. Here is how I plan to bridge it with Microservices, Embedded, Kernels and Operations.


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Kamil Wcisło

Distributed computing, cloud and embedded systems enthusiast
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Recent Posts

  • Siphon: Building a Zero-Trust Edge Gateway for Home Assistant
  • Project TELEGRAPH (Part 3): Bare Metal, Bit-Banging, and the 4MB Heist
  • Project TELEGRAPH (Part 2): Escaping the Cables with a Custom ESP32 Wireless Flasher
  • Project TELEGRAPH (Part 1): Rescuing a $15 LED Matrix from Software Purgatory
  • Defining MekOps: Why I'm Bringing Cloud-Native to Bare Metal

Series

TELEGRAPH 3

Tags

ELECTRONICS 3 REVERSE_ENGINEERING 3 TELEGRAPH 3 MEKOPS 2 ARCHITECTURE 1 ARM 1 ETL 1 HOME_ASSISTANT 1 IOT 1 PHILOSOPHY 1 SIPHON 1 WIRELESS 1
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