How a $10 USB TV dongle unlocks the entire 24 MHz–1.7 GHz radio spectrum. Hands-on guide for communications engineering students: ADS-B aircraft tracking, NOAA satellite imagery, I/Q sampling explained, antenna selection, and real-world SDR projects.
The Fusion library by x-io Technologies combines gyroscope, accelerometer, and magnetometer data with Madgwick’s revised AHRS algorithm — C and Python ready. Includes acceleration rejection, magnetic anomaly detection, and sensor recovery for reliable real-time attitude estimation.
Build a room-level indoor positioning system with three ESP32 BLE proxy nodes and BPS integration for Home Assistant — track devices, automate multi-floor smart home logic, and locate Bluetooth tags for under $10 total.
Open-source Claude Code skill text-to-cad generates STEP/STL/3MF/GLB files from natural language using OpenCascade locally, plus URDF robot definitions, slicing, and 3D printing — all in your terminal, no API key needed.
9.3k Stars — Claude Code Can Now Generate CAD Parts: Text-to-CAD Deep Dive (2026) Read More »
A deep dive into why the Low Noise Amplifier determines your receiver sensitivity — Friis formula walkthrough, LNA gain vs NF trade-offs, real-world LTE/5G sensitivity calculations, and practical PCB design tips for RF engineers.
The ZOOM anti-jam reconnaissance quadcopter by Ukraine’s Frontline Robotics delivers 50-minute endurance, 15 km range, visual SLAM navigation without GPS, and dual-band FHSS encrypted comms for artillery fire correction and EW target localization.
Analysis of the Russian Boomerang FPV drone — frequency hopping to 7.2 GHz beyond most detector range, terminal guidance, diversity signal reception, and swappable antennas. Boomerang-10: 6.5 kg MTOW, 3 kg payload, 17 km combat radius.
Geoscience Australia’s Ginan v4.1.2 open-source GNSS analysis tool enables centimeter-level precise point positioning (PPP) without nearby base stations. Supports GPS, Galileo, BeiDou, GLONASS. GUI, Docker, cross-platform. Real-world deployments in reservoir monitoring and marine surveys.
UAV Vision-Language Navigation (VLN) research from IROS 2026. See-and-Reach separates terminal approach from long-range search, using Qwen2.5-VL + 3D waypoint prediction for precise goal reaching within FOV. Open-source benchmark and code available.
Complete FPV spectrum analysis guide: TBS Crossfire 2.4GHz migration, race frequency conflicts, TinySA Ultra setup, 5.8GHz VTX band plan, interference source localization, and field troubleshooting for FPV drone racing competitions.
