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3 impressive ESP32 projects to make this weekend (Jun 19 - 21)

It's amazing what you can do with an ESP32 (or two).
Elektor Magazine

Wi-Fi-Based Person Detection on an ESP32: When Your Router Becomes a Motion Sensor

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...