UAV Tech Blog — Page 2

Step-by-step guide to calculating reliable range for your drone telemetry link using SX1276. Antenna selection, Fresnel zone clearance, and fade margin explained.

Comparing the two most widely used 6-axis IMUs in FPV flight controllers. Noise characteristics, vibration filtering, and Betaflight RPM filter compatibility.

An honest evaluation of GigaDevice GD25Q128 as a drop-in replacement for Winbond W25Q128JV on drone FCs. SPI timing, compatibility, and supply chain risk.

Schematic walkthrough for a TPS563201-based 5V buck converter optimized for drone FC noise performance. Inductor selection, output cap ESR, and thermal layout tips.

Comparing u-blox 8th and 9th generation GPS modules. Multi-band GNSS, NavIC/QZSS support, time-to-first-fix, and accuracy in urban environments.

Real-world examples of fake STM32F405 and STM32F722 chips in the market. Identification methods, supplier vetting, and how UAVCHIP guarantees authenticity.