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References

Where Data Becomes Decisions

Our reference projects demonstrate the possibilities of modern rainwater management: detecting soil moisture and irrigating as needed, knowing storage levels and deploying resources purposefully, observing water body conditions and reacting in a timely manner – all networked via HYDRX and transparent in the dashboard.

Green Wall – Rainwater Park ZG-Raiffeisen

Soil Moisture Monitoring & Automated Irrigation with Weather Logic

Five soil moisture sensors monitor the substrate moisture of a large-format green wall. A control system compares live values with target ranges and starts irrigation – taking into account local weather data – until optimal moisture is reached. This ensures that water is used in a targeted manner and that functionality is guaranteed in the long term.

Guard Modules Used in HYDRX

Highlights

  • On-demand irrigation based on live moisture data
  • Weather station in the control logic: no watering before rain events
  • Visualization & history in the dashboard, alerts for deviations

Setup

  • 5 soil moisture sensors (substrate) at defined measuring points
  • Weather station with connection to the control logic
  • Data transmission via LoRaWAN, visualization in the HYDRX dashboard

Added Value

  • Water saving through smart irrigation windows
  • Stable vegetation development and lower operating costs
  • Transparency & traceability through monitoring and reports

InDigWa – Irrigation of Young Trees with Purified Rainwater

From Flow and Fill Level Monitoring to Automated, Weather-Based Irrigation

The practical implementation of InDigWa in the “Use Case Outside” project for the GEWOBA neighborhood in Bremen includes supplying young trees with purified, stored rainwater from a cistern as needed. Soil moisture sensors detect the need for irrigation, fill level sensors ensure availability in the system, and the weather station controls time windows and intensity. This project is being implemented in collaboration with Fraunhofer IAO and GEWOBA Aktiengesellschaft Wohnen und Bauen.

Guard Modules Used in HYDRX

Highlights

  • Automated irrigation based on soil moisture + weather
  • Flow measurement in filter substrate channels for effectiveness control
  • Cistern level measurement: stock & remaining capacity at a glance

Setup

  • Soil moisture sensor technology (soil), flow measurement in the inlet
  • Level sensor(s) at the cistern, on-site weather station
  • Control & notification logic in the HYDRX dashboard, data export for research

Added Value

  • Reduction of drinking water consumption through rainwater harvesting
  • Healthier young trees thanks to needs-based supply
  • Plannable management and reliable research data

City of Herne – Pond Monitoring “Ententeich”

Real-time Monitoring of Water Quality with LoRaWAN

Sensors monitor oxygen content, temperature, pH, and redox value in the duck pond in real-time.
The data runs via the LoRaWAN of the city of Herne directly into the HYDRX backend. Critical conditions are detected early, and countermeasures can be initiated in a timely manner.

Guard Modules Used in HYDRX

Highlights

  • Continuous water quality measurement with alarms
  • Real-time data via urban LoRaWAN
  • History & reports for documentation and authority communication

Setup

  • Multi-parameter probes (O₂, Temp., pH, Redox)
  • LoRaWAN transmission to the RX backend
  • Dashboard for live view, trends & events

Added Value

  • Proactive water body maintenance instead of reactive response in case of malfunction
  • Damage prevention through early intervention
  • Robust documentation for regulatory bodies