A tiny client which measures the ground water level by ultrasonic
- Raspberry Pi (all models supported)
- Ultrasonic sensor (e.g. HC-SR04)
- PHP > 7.0
- Python
- PHP curl extension
- Ready HWM server
Copy .env.dist to .env Fill .env variables
| Variable | Description |
|---|---|
| SERVER_URL | Full HWM server URL |
| AUTH_TOKEN | Authentication token of HWM server |
php run.php start [--interval=60]| Short | Long | Description | Default |
|---|---|---|---|
| i | interval | Interval in seconds of measurement cycles | 60 |
| c | correctionDelta | Value which is subtracted from each measurement value | 0 |
| n | normalizationDeepness | Number of measurements from the past used for normalization | 5 |