SShota Yamazaki1d ago · 18 min readSent, Accepted, Reached: Automating a Home Theater That Is Also My OfficeOne day I asked Alexa to shut down the theater. Alexa answered, "Shutting down the theater," and the routine ran all the way to the end. The projector stayed on. The room is my home theater with 7.1.43Mblog.simukappu.com
SShravan Revanna1d ago · 6 min readI Built My Own Ambilight for Under ₹1k, on the Same ESP32 That Runs My AI Desk PetTLDR: I wrapped 102 LEDs around my monitor and drove them from a single ESP32 running firmware I wrote myself. The strip cost ₹449. The whole build came in under ₹1,000. The same ESP32 also runs Dexi,blog.shravanrevanna.me
FFelipe Lodi22h ago · 7 min read2.4GHz Radio Frequency Transmitter Panel StationA station that sends commands from a computer over 2.4 GHz radio to any number of USB radio frequency driver stations around it. It is one half of a pair, and this is how we build the transmitter. Onehomebotica.hashnode.dev
TTaha Rafi21h ago · 7 min readReverse-Engineering Hardware Protocols in PHP 8: Inside ZKTeco Sockets and Direct Memory InjectionHardware protocols are often viewed as the exclusive domain of C, C++, or Go systems programmers. Most web developers assume PHP cannot interact with low-level binary protocols on physical devices wittaharafi.hashnode.dev
FFelipe Lodi1d ago · 7 min read1-Channel (5-24V) USB Power Supply Sleeve StationTurn an ordinary 5V USB charger into a steady supply for 12V or 24V gear, with the voltage always in sight. This is how we build it, from a bare shield to a finished station. One cable in, the right vhomebotica.hashnode.dev
FFelipe Lodi1d ago · 5 min readRain Presence 2-Channel (5V) XH Driver Cube StationA prototype station that switches from one channel to the other the moment a raindrop lands on its plate. This is how we build it, from the two-board stack to a pair of closed cubes. A prototype that homebotica.hashnode.dev
JJietion1d ago · 8 min readSatellite NTN and eSIM for IoT Beyond Terrestrial Coverage: What Buyers Should PlanDefinition: Satellite NTN for IoT extends cellular-standard connectivity through satellites or high-altitude platforms where towers do not reach; the eSIM holds the subscription profiles that let one liotsim.hashnode.dev
JJietion1d ago · 9 min readIoT SIM for Wireless Tank and Liquid-Level Control Systems: Telemetry, Alarms and Control LoopsDefinition: An IoT SIM in a tank or liquid-level control system carries level readings, pump states and alarms from the field controller to a remote platform over cellular, so operators can supervise liotsim.hashnode.dev
Mmanny072d ago · 4 min readBuilding a Real-Time IoT Hydration App for Football Teams: A Flutter Case StudyConnected devices can collect measurements continuously. Turning those measurements into an interface that people can interpret is a separate engineering challenge. A hydration-monitoring project for beyondaihype.hashnode.dev
EEdoardo Orfanini2d ago · 4 min readWhy we model building thermal response before touching a single setpointMost commercial buildings already have a building automation system. It reads hundreds of sensors and drives the chillers, air handlers, VAV boxes and pumps. What it usually doesn't do is learn. The senergia-ai.hashnode.dev
