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Need help?Do you have a question about the OpenSprinkler Pi and is the answer not in the manual?
Prepare the laser-cut acrylic enclosure and install the RTC battery and terminal blocks.
Connect the sprinkler transformer to the orange terminal and verify the green LED indicator.
Mount the Raspberry Pi onto the OSPI board using support pillars and pin headers.
Connect a USB WiFi dongle or Ethernet cable for network access.
Connect sprinkler valve wires to COM and station terminals on the OSPI.
Link expansion boards using extension cables for more station support.
Connect rain, flow, or program switch sensors to the dedicated terminal.
Utilize the built-in converter for analog sensors like light, temperature, and soil humidity.
Connect an RF transmitter for wireless power socket communication.
Install the recommended firmware from a standard Raspbian image.
Access the Unified Firmware via a web browser at http://ospi_ip:8080.
Map of GPIO pins used by OSPI on the Raspberry Pi.
General| Interface | Web-based interface |
|---|---|
| Software | OpenSprinkler firmware |
| Rain Sensor Input | Yes |
| Flow Sensor Input | Yes |
| Master Valve/Pump Relay | Yes |
| Compatibility | Raspberry Pi |
| Operating System | Linux (Raspberry Pi OS) |
| Power Supply | 24V AC (solenoid power), 5V DC (logic power) |
| Connectivity | Ethernet, Wi-Fi |
| Weather Adjustment | Yes (via weather-based algorithms) |
| Expansion Options | Expandable with additional zones via expansion boards |
