2026-04-27 08:32:24 +02:00
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# Smart Mirror · Arduino USB Monitor v3
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## Projektstruktur
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```
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2026-04-27 12:25:02 +02:00
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raspi/
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2026-04-27 08:32:24 +02:00
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├── settings.json ← zentrale Konfiguration
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├── USBRead.py ← serielle Leseschicht + Parser
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├── Notification.py ← SMTP- + WhatsApp-Alerting
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├── Dashboard.py ← Flask App Factory
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├── gunicorn.conf.py ← Gunicorn-Konfiguration
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├── requirements.txt
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├── templates/
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│ ├── base.html ← Jinja2 Basis-Layout
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│ └── dashboard.html ← Smart-Mirror-Dashboard
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└── static/
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├── css/
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│ └── mirror.css ← Smart-Mirror-Stylesheet
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└── js/
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└── dashboard.js ← Polling, Chart, Uhr, Sensor-Tiles
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```
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---
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## Installation
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```bash
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pip install -r requirements.txt
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# Nur bei whatsapp.provider = "twilio":
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pip install twilio
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```
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---
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## Starten
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```bash
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# Gunicorn (Produktion, Port 80 → sudo nötig)
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sudo gunicorn -c gunicorn.conf.py "Dashboard:create_app()"
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# Ohne Root (Port in settings.json auf z.B. 8080 setzen)
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gunicorn -c gunicorn.conf.py "Dashboard:create_app()"
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# Flask direkt (Entwicklung)
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python Dashboard.py
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```
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---
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## settings.json — Referenz
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### `usb`
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| Schlüssel | Beschreibung |
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|----------------------|--------------------------------------------------|
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| `port` | Gerätepfad, z.B. `/dev/ttyACM0` |
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| `baud_rate` | Baudrate |
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| `reconnect_delay_s` | Sekunden bis Reconnect-Versuch |
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| `buffer_size` | Maximale Einträge im Ring-Buffer |
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### `dashboard`
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| Schlüssel | Beschreibung |
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|----------------------|--------------------------------------------------|
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| `host` | Bind-Adresse (`0.0.0.0` = alle Interfaces) |
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| `port` | HTTP-Port |
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| `poll_interval_ms` | Browser-Polling-Intervall in ms |
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| `title` | Titel im Header und Browser-Tab |
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### `smtp`
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| Schlüssel | Beschreibung |
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|----------------------|--------------------------------------------------|
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| `enabled` | `true` / `false` — Kanal an/aus |
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| `host` | SMTP-Hostname |
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| `port` | SMTP-Port (587 STARTTLS, 465 SSL) |
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| `use_tls` | `true` → STARTTLS, `false` → direktes SSL |
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| `username` | Login |
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| `password` | Passwort |
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| `from_address` | Absender |
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| `to_addresses` | Empfänger-Array |
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| `cooldown_s` | Mindestabstand zwischen Alerts (pro Sensor) |
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### `whatsapp`
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| Schlüssel | Beschreibung |
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|----------------------|--------------------------------------------------|
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| `enabled` | `true` / `false` |
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| `provider` | `"twilio"` oder `"callmebot"` |
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| `cooldown_s` | Mindestabstand WhatsApp-Alerts (pro Sensor) |
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**Twilio** (`whatsapp.twilio`):
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- Account SID + Auth Token aus der Twilio Console
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- `from_number`: `"whatsapp:+14155238886"` (Sandbox) oder eigene Nummer
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- `to_numbers`: Array mit `"whatsapp:+49..."`
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- Einmalige Sandbox-Aktivierung: https://www.twilio.com/console/sms/whatsapp/sandbox
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**CallMeBot** (`whatsapp.callmebot`) — kostenlos, kein Account:
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- API-Key einmalig aktivieren: https://www.callmebot.com/blog/free-api-whatsapp-messages/
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- `to_numbers`: Array mit Rufnummern im Format `"+49151..."`
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### `sensors`
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Jeder Eintrag im Array beschreibt einen Messkanal:
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| Schlüssel | Beschreibung |
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|--------------------|-------------------------------------------------------|
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| `name` | Anzeigename |
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| `field_index` | Index im `values`-Array (0-basiert) |
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| `unit` | Einheit (Anzeige), z.B. `"°C"` |
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| `threshold_high` | Oberer Grenzwert (`null` = kein) |
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| `threshold_low` | Unterer Grenzwert (`null` = kein) |
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| `notify_on_high` | E-Mail + WA senden bei Überschreitung |
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| `notify_on_low` | E-Mail + WA senden bei Unterschreitung |
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---
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## Arduino-Ausgabeformate (automatisch erkannt)
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| Format | Beispiel |
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|--------------|--------------------------------|
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| Numerisch | `23.5 67.1 4.92` |
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| Key=Value | `temp=23.5,hum=67.1,volt=4.92` |
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| JSON | `{"temp":23.5,"hum":67.1}` |
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---
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## Smart Mirror Betrieb
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Für den Einsatz als Smart Mirror empfiehlt sich:
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- Chromium im Kiosk-Modus: `chromium-browser --kiosk http://localhost`
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- Bildschirm-Timeout deaktivieren: `xset s off && xset -dpms`
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- Autostart via `/etc/rc.local` oder systemd (siehe README v2)
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