Ccircuitrocksincircuitrocks.hashnode.dev·Sep 5 · 3 min readThis Arduino Watches a Treadmill With a Webcam to Clock SpeedRunning a neural network on a hobby board no longer means shipping frames to a server and waiting for an answer. Boards such as the Arduino VENTUNO Q ship with a dedicated neural processing unit, so a00
VNVũ Nhật Lâminblog.fiscybersec.com·Sep 3 · 16 min readManic malware: When Isolating a Device No Longer Stops the Data LeavingSummary On 20 August 2026, ThreatFabric's Mobile Threat Intelligence team published Manic — a new Android malware family actively distributed in the wild, sitting at the intersection of Android bankin10
NVNikheel Vishwas Savantinfreecodecamp.org·Aug 5 · 50 min readBluetooth Low Energy in Flutter: A Handbook for DevsMost Flutter tutorials stop at network calls and REST APIs. The moment you need to talk to a physical device, a heart rate monitor, a smart bulb, a fitness tracker, an industrial sensor, or your own c00
Ccircuitrocksincircuitrocks.hashnode.dev·Jul 20 · 2 min readPenn State's Paint-On Electronic Tattoos Read ECG, EEG and EMGA heart-rate patch only helps if it stays stuck to your skin, and most of them don't. Adhesive electrodes peel at the edges after a few hours, itch by the end of the day, and broadcast to everyone tha00
NVNikheel Vishwas Savantinfreecodecamp.org·Jul 14 · 41 min readA Deep Dive into Gabeldorsche: The Bluetooth Stack Android Rebuilt on PurposeThe Android Bluetooth stack spent about a decade being the reason your headphones disconnected during the good part of a song. Gabeldorsche is Google's attempt to fix that at the architectural level, 00
NVNikheel Vishwas Savantinfreecodecamp.org·Jun 1 · 60 min readHow to Build Bluetooth Applications with Zephyr OS: A Handbook for DevsYour phone just connected to wireless earbuds, your smartwatch synced health data to an app, and a sensor somewhere in your building reported its temperature to a gateway. All of those interactions ha00
NVNikheel Vishwas Savantinfreecodecamp.org·Apr 8 · 42 min readThe Bluetooth LE Audio Handbook: From "Why Does My Call Sound Like a Tin Can?" to AOSP ImplementationSince the early 2000s, Bluetooth has been the dominant way we listen to wireless audio, powering everything from the first mono headsets to today's true wireless earbuds. But the underlying technology00
NVNikheel Vishwas Savantinfreecodecamp.org·Apr 7 · 24 min readSwarm Intelligence Meets Bluetooth: How Your Devices Self-Organize and Communicate Have you ever watched a flock of starlings at sunset? Thousands of birds, wheeling and swooping in perfect unison. There's no leader, no choreographer, no bird with a clipboard shouting directions. Ju00
SASANJEI A Kinsanjeiak.hashnode.dev·Apr 5 · 5 min readThink Bluetooth is Safe? I Tested It and Built Something BetterWireless communication has quietly become part of almost every system we build today. From small IoT prototypes to larger industrial setups, data is constantly being transmitted between devices. But o00
PMPrashanth Murtaleinaishant-blog.hashnode.dev·Feb 17 · 3 min readWhat Your Bluetooth Devices Secretly Reveal About YouWhat Your Bluetooth Devices Secretly Reveal About You 🕵️♂️ 💡 TL;DR Bluetooth devices like headphones, smartwatches, and speakers are convenient, but they also reveal surprising data about you. From your location and preferences to potential vulner...00