ESP32-S3 WiFi CSI Motion Detection Firmware
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May 30, 2026
ESP32-S3 WiFi CSI Motion Detection Firmware A prompt to generate ESP32-S3 firmware that uses WiFi CSI to detect room motion, outputting JSON data over serial with tunable thresholds.
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Write me an ESP32-S3 firmware that captures WiFi CSI data and detects movement in a room.
Requirements:
Connect to my home WiFi as a passive client
Capture CSI packets continuously
Calculate the variance of CSI amplitude over a 2-second window
When variance exceeds a threshold, mark the state as "...
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References
- Category: coding Prompts
- Source: https://x.com/CoinSh0t/status/2060760099707301960
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