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Source channel @githubtrending · Post #15535 · Mar 3

#shell ESP-CSI uses Wi-Fi Channel State Information (CSI) on all ESP32 chips to sense breathing, chewing, walking, or other movements without contact or extra hardware. You get rich data like signal phase and amplitude for smart monitoring, activity detection, positioning, and AI apps, with easy OTA upgrades, BLE help, and examples for quick starts like radar or cloud uploads—saving costs while boosting your IoT projects' accuracy and reliability. https://github.com/espressif/esp-csi

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Universe Mysteries 🪐

@cosmomyst · Post #670 · 02/09/2026, 10:21 PM

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🪐 The cosmic microwave background glows faintly across the entire sky at a temperature just above absolute zero—about 2.7 Kelvin—making it the coldest light we can detect. Instruments like the South Pole Telescope have measured tiny variations in this ancient glow from different directions, and these differences help scientists determine the universe’s overall geometry, showing that space is almost perfectly flat on the largest scales we can observe. ✨ #microwavespace⚡#universe⚡#geometry⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#cosmos⚡#space 👉subscribe Universe Mysteries 👉more Channels

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