Open-source tool to automate LCSC component import flow into KiCad. CAN-bus backplane with STM32-powered modular electronics blocks. Real-time satellite tracking utility for amateur radio use. Engineering utility for antenna-related calculations. Toolchain for measuring and compensating IQ imbalance, DC offset, and mirror responses in SDR receivers. Streaming FPGA chain from digital downconversion through timing/carrier recovery with fixed-point verification. Design-space exploration tool for decimator response, alias suppression, and resource budgeting. Prototype synchronization chain covering preamble detection, CFO correction, and pilot-based phase tracking.