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 # e3372-py
 
+E3372 SMS handler written in Python. Uses the hilink web interface API. Allows
+you to do something when SMS arrives.
+
 ## Requirements
 
-* lxml (python3-lxml)
+* lxml (`apt install python3-lxml` or something like it)
 * see `requirements.txt`
 
+## Usage
+
+You need at least Python 3.6 or so.
+
+See `main.py` and adjust the `sms_handler` function to your needs.
+
+The script should be launched periodically by cron. This line in crontab would
+launch the script every 10 minutes:
+```cron
+*/10 * * * * python3 /path/to/e3372-py/main.py --trusted-phone 79001234567
+```
+
 ## License
 
 BSD-2c
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