ESP32 RF Security Open Hardware
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 board. I never expected it to grow the way it did. People started building it. Then selling it. And some just grabbed the code and... The post ESP32-DIV Full Guide | WiFi, BLE, RF, RFID and Every Feature Explained appeared…
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 simple experiment. A custom PCB around an ATmega32U4, an SD card slot, and a script that made a computer think a USB drive was a... The post EvilDuck S3: The RubberDucky I Always Wanted to Build appeared first on CiferTech .
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 somewhere along the way it turned into a full system involving RF tracking, real-time visualization, custom hardware, and eventually… a drone. The original goal was... The post I Tried Building a Cheap Indoor Positioning System… So I Built a Drone…
I’ve worked with the PN532 before. The first version of NullTag actually worked. It could read cards, clone some tags, dump memory — the usual stuff. But deep down I knew it wasn’t engineered properly. It was an ESP32, a PN532 module, some wiring, a display… it did the job, but it didn’t feel like... The post I Built an RFID “Disruptor”: Confuses Readers Destroys Tags appeared first on CiferTech .
Hi everyone, welcome back — I’m Cifer, and happy New Year 🎉 I’m finally back with ESP32DIV v2. This project has easily become one of the most talked-about things I’ve built. I get messages about DIV almost every day — questions, ideas, feature requests — and it’s clear this device has grown into something much... The post ESP32-DIV v2: I Built Something Better Than Flipper appeared first on…
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 my own virtual pet. The result was fun, but not enough. It needed more personality… more purpose… more chaos. So I rebuilt it from scratch.... The post TamaFi V2 – A Virtual Pet That Evolved Beyond Logic…
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, and fun to build — but I knew it could go further. So I tore it apart, redesigned everything, and ended up with something way... The post RF-Clown v2: The Wireless Beast Just Got a Turbo Boost appeared first on CiferTech .
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. With a redesigned menu system, new features like Wi-Fi deauth attack, Android BLE spoofing, and firmware updates via SD card, this release is more powerful... The post nRFBox…
👋 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 play around with RFID and NFC because I thought it would be a great feature to add to my ESP32-DIV project. But as I kept... The post NullTag: My Accidental RFID Toolkit Built on ESP32 appeared first on CiferTech .
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 you’re excited about wireless tech, cybersecurity, and open-source hardware, then this is the project for you! Today, I’ll walk you through all the new features... The post ESP32-DIV: Your Swiss Army Knife for Wireless…