francescopace/espectre
Wi-Fi CSI motion sensing for ESP32. C++ SDK, ESPHome, Native, and Matter frontends, browser tools, and a CLI for the full device lifecycle. GPLv3 and commercial licensing. observed · 2026-10-19
Health v2 · maintenance only
84/100
- Activity 100
- Release rhythm 98
- Longevity 25
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.
- gap_med: 8.5
- age_days: 359
- days_rel: 14
- days_push: 2
- n_releases_24m: 15
Adoption not part of the score
9636 stars · 729 forks observed · 2026-10-19
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
ESPectre is an open-source motion detection system that analyzes Wi-Fi Channel State Information (CSI) on ESP32 devices to detect movement without cameras or microphones. It ships as an ESPHome component with native Home Assistant integration, plus a Python/MicroPython research platform for algorithm development.
Use cases
- detect motion at home using Wi-Fi signals instead of cameras
- build a privacy-friendly presence sensor with an ESP32 and Home Assistant
- detect movement through walls without PIR sensors
- automate lights or alarms when someone enters a room
- experiment with Wi-Fi CSI sensing and signal processing algorithms
- replace camera-based security sensors for GDPR-friendly monitoring
When to choose
- you want camera-free, microphone-free motion detection that works through walls
- you already run Home Assistant with ESPHome and have a 2.4GHz Wi-Fi router
- you want a cheap (~€10 ESP32) DIY presence sensor with strong privacy guarantees
- you are a researcher prototyping Wi-Fi CSI sensing algorithms in Python
When to avoid
- you need a plug-and-play commercial product with no YAML configuration
- your router or ESP32 variant does not support CSI extraction
- you require precise location tracking rather than binary motion/presence detection
- you need a battery-powered sensor, since CSI analysis favors mains-powered devices
Facets
application · maturity active
monitoring machine-learning embedded sdk iot privacy hardware iot python wifi-sensing csi motion-detection presence-detection diy smart-home privacy-first through-wall-detection automation esphome micropython
2 sources
- readme: https://github.com/francescopace/espectre · fetched 2026-10-19 · aefde6ff3bf4
- homepage: https://espectre.dev · fetched 2026-08-29 · f5435477cee2
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| francescopace/espectre | main | 84 |
For agents
markdown · JSON · MCP: product_card(name="francescopace/espectre")
Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem