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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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@interesting_planet_facts · Post #951 · 10/22/2025, 08:11 PM
🌎 In 1938, miners unearthed grooved stone spheres buried deep in South Africa. Some are nearly perfectly round, with parallel grooves, and date back over 2.8 billion years. These “Klerksdorp spheres” were found in pyrophyllite deposits and their natural or human origin is still debated. ✨ #archaeology⚡#mystery⚡#spheres 👉subscribe Interesting Planet 👉more Channels
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@amazingeo · Post #223 · 09/12/2025, 01:12 PM
🌍 The highest forests on Earth grow above 4,900 meters in the Andes, where trees survive thin air, cold temperatures, and strong sunlight—an extreme zone where biosphere meets atmosphere and lithosphere. ✨ #spheres⚡#Andes⚡#ecosystems⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍