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215 points francescopace | 2 comments | 17 Nov 25 14:40 UTC | HN request time: 0.428s | source

Hi everyone, I'm the author of ESPectre.

This is an open-source (GPLv3) project that uses Wi-Fi signal analysis to detect motion using CSI data, and it has already garnered almost 2,000 stars in two weeks.

Key technical details:

- The system does NOT use Machine Learning, it relies purely on Math. — Runs in real-time on a super affordable chip like the ESP32. - It integrates seamlessly with Home Assistant via MQTT.

1. sert_121 ◴[18 Nov 25 01:28 UTC] No.45960385[source]▶

>>45953977 (OP) #

This jogged some memories! Was working on something that used radio waves to detect objects and humans ~5 years ago, I see that we've come a long way since then.

One of our goals(abandoned) was to also extend to wifi routers, so I am excited to see continued interest in this space!

https://www.sensorsportal.com/HTML/ST_JOURNAL/PDF_Files/P_32...

replies(1): >>45963442 #

2. francescopace ◴[18 Nov 25 10:34 UTC] No.45963442[source]▶

>>45960385 (TP) #

Thanks for sharing the paper; I'll certainly be taking a look at that research!

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Show HN: ESPectre – Motion detection based on Wi-Fi spectre analysis