@peterencrypted: Stop trusting your walls. They leak signals. Covering your webcam doesn’t make you private. If Wi-Fi is on, your space is emitting data. This is real tech: Wi-Fi CSI (Channel State Information). Radio waves bounce through rooms — your movement, breathing, even presence distorts them. No cameras. No light. Just RF patterns. Signals are the new sensors. ⬇️ Want the build + GitHub? Comment WALLS #cybersecurity #privacy #wifisensing #raspberrypi #esp32