This diploma thesis consists of a regulatory control system, which takes in the local weather forecast, ground moisture and temperature, in order to, automatically and ideally water plants, with the help of a valve and a drip hose. The measurement for the ground moisture and ambient temperature happens in the sensor-module, the switching of the electrical valve takes place in the actuator-module. Both of these modules are battery powered and charged via a solar panel or an optional DC Input. They consist of a low power microcontroller and RFtransceiver and communicate over a 433MHz wireless connection with a base-station. The base station consists of a RF-transceiver module and a Raspberry Pi Zero 2, which decides, according to current sensor data and weather forecasts, whether to open or close one or more valves. The base station has a Wi-Fi connection, which enables the user to set and monitor, parameters and actions via a mobile app in the local network. With the help of an external server the user can access these things outside of their network as well.
- Irrigation zones
- No power or Wi-Fi needed by the sensor or valve modules
- Works also without internet
- End-to-end encrypted
- No data stored online
- Both automatic irrigation (algorithm) and manual irrigation possible
- Shows battery level / signal strength
- Can be operated anywhere via the internet
- Power efficient
- Sensor data stored in database on the basestation
- Repository for the basestation
- Repository for the mobile app
- Repository for the external server
- Code for the sensor/valve station:
Basestation:
Mobile-App:
External Server:
This project is licensed under the GPLv3 license.