TamaFi V2: I Rebuilt My WiFi-Aware Pocket Pet

I'm back with TamaFi V2, a full rebuild of my open-source WiFi-aware virtual pet, and almost none of the original code survived the process. TamaFi started as a simple idea.…

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I Built a Radio That Turns Signals Into Pictures

Fennec started because every SI4732 radio project I looked at did the exact same thing. Small screen, a dial, maybe an encoder. Fine radios. All of them stopping at "tune…

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ESP32-DIV Full Guide | WiFi, BLE, RF, RFID and Every Feature Explained

  ESP32-DIV started as a personal tool. Something I built because I wanted one device that could handle WiFi, Bluetooth, Sub-GHz, IR, RFID, and GPS all from a single handheld…

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EvilDuck S3: The RubberDucky I Always Wanted to Build

Hi everyone, welcome back — I'm Cifer. I'm back with EvilDuck S3 — the third and final hardware revision of my open-source USB rubber ducky project. EvilDuck started as a…

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I Tried Building a Cheap Indoor Positioning System… So I Built a Drone Instead

Hey everyone — Cifer here 👋 This project started as a simple experiment, the kind where you just want to test an idea quickly and see if it works, but…

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TamaFi V2 – A Virtual Pet That Evolved Beyond Logic

There’s something fascinating about old tech—those tiny devices that somehow felt alive even with only a few pixels and a beeping speaker.Last year I tried recreating that feeling by building…

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RF-Clown v2: The Wireless Beast Just Got a Turbo Boost

  Hey everyone, Cifer here!You know that feeling when a project you built just won’t leave your head? That was RF-Clown for me.The first version worked great — compact, powerful,…

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nRFBox v2.7.2: ESP32-Powered Tool to Scan, Jam & Spoof BLE, Wi-Fi & 2.4GHz Signals

 Hey wireless explorers!Welcome back, I couldn’t be more excited to introduce nRFBOX v2.7.2, the latest evolution of our open-source, ESP32-powered toolkit for scanning, jamming, spoofing, and mastering the 2.4GHz spectrum.…

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NullTag: My Accidental RFID Toolkit Built on ESP32

 👋 Introduction Hey folks, welcome back. Today I’m showing you something that started as a small experiment, and kind of turned into its own project. I originally wanted to…

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ESP32-DIV: Your Swiss Army Knife for Wireless Networks

I’m Cifer, and after months of anticipation, I’m finally ready to introduce you to the ESP32DIV—an upgraded version of my original project that has been years in the making. If…

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