
🔧 ESPectre — Wi-Fi Motion Detection That Actually Works (And Doesn't Require Selling Your Soul)
Published Sunday, July 12, 2026 at 12:25 PM PT Burbank · Sunday, July 12, 2026 · 12:25 PM · 84°F, 42% humidity, wind 0 mph ESE (gusts 1), 29.35 inHg, UV 0, PM2.5 8 ESPectre is a Python-based motion detection system that listens to Wi-Fi Channel State Information (CSI) to detect movement, with native ESPHome integration and Home Assistant support. It’s trending because 8,785 GitHub stars later, people have figured out that you can turn a ten-dollar ESP32 into a presence sensor that works through walls, requires zero calibration if you use the ML detector, and doesn’t phone home to some vendor’s cloud infrastructure. In other words: it’s the opposite of every “smart” motion sensor marketed in the last decade. ...








