Interesting. That would be fun to tinker with. If only I had the time. Archive: https://archive.today/RSIil From the post: >>Dream Boards has released the DreamHAT+ Radar, a compact add-on board that brings high-precision 60 GHz mm-wave radar capabilities to Raspberry Pi 4B and 5. Built around Infineon’s BGT60TR13C radar chip, the DreamHAT+ is designed for developers and researchers working on gesture recognition, presence detection, indoor tracking, and privacy-focused sensing, all without relying on cameras or microphones.