Hue Motion Timer
Track occupancy duration with Philips Hue motion sensors. Real-time timer display on M5Stack and web browser — no Home Assistant required.
Web dashboard (shown in Japanese; switch to English in settings)
Use Cases
🏢 Facility Management
Measure actual usage time of meeting rooms and break rooms to analyze utilization rates. Optimize cleaning schedules based on usage frequency data.
💪 Health Management
Record toilet frequency and duration by day to visualize changes in daily routines. Measure continuous desk work time to prevent prolonged sitting.
🏥 Caregiving
Detect nighttime wandering with hallway and entrance sensors. Identify changes in daily behavior patterns early through statistical data.
🛡 Safety & Monitoring
Detect abnormally long stays in bathrooms or toilets and trigger alerts. Confirm the safety of elderly people living alone or children at home.
🐾 Pets
Record activity patterns by room during time alone. Detect unusual behavior when a pet stays in an unexpected area for an extended period.
Why This Project?
⏱ Real-time Timer
Tracks elapsed time since first motion detection, not just ON/OFF status.
🔌 No Hub Required
Connects directly to Hue Bridge API. No Home Assistant or other platform needed.
📱 Dual Interface
M5Stack device with LCD + speaker, and a web dashboard. Each works independently.
🔔 Smart Alerts
Configurable multi-level alerts with normal and urgent alarms that escalate over time.
📊 Analytics
Daily statistics (avg, max, min, total) with Chart.js graphs and long-term log retention.
⚡ Zero Config
Auto-discovers Bridge, generates API key with button press, sensor selection on screen.
Feature Comparison
| Feature | M5Stack | Web |
|---|---|---|
| Real-time timer | ✓ | ✓ |
| Multi-sensor support | — | ✓ (up to 20) |
| Sensor overview bar | — | ✓ |
| Hourly chart (per day) | — | ✓ |
| Per-sensor alert config | — | ✓ |
| Alert melody | ✓ (speaker) | ✓ (Web Audio) |
| Urgent alert | ✓ | ✓ |
| Remote alert (Web → M5) | ✓ | ✓ |
| Log history | 20 entries | 1000 entries |
| Daily statistics | 10 days | 2 years |
| Daily chart | — | ✓ |
| Clock & battery | ✓ | ✓ (clock) |
| Timer recovery | ✓ | ✓ |
| IP whitelist | — | ✓ |
| i18n (EN/JA) | ✓ | ✓ |
Requirements
M5Stack Version
M5Stack Basic (ESP32), Philips Hue Bridge (V1/V2), Hue Motion Sensor, Arduino CLI or IDE
Web Version
Node.js 18+, Apache 2.4+ with mod_proxy, network access to Hue Bridge