OpenSprinkler Pi User Manual

OpenSprinkler Pi (OSPi) v1.43+ User Manual
(Updated Oct 8, 2017)
Contents
Introduction
Hardware Interface
Hardware Setup
0. Preparation
1. Test Power Supply
2. Attach RPi to OSPi
3. Web Connectivity
5. Zone Expansion Board
6. Rain Sensor / Flow Sensor / Program Switch
7. Analog-Digital Converter (Advanced Topic)
8. Radio Frequency (RF) Transmitter (Advanced Topic)
Software Setup
1. Install OpenSprinkler Unified Firmware
2. Using OSPi Firmware
Technical Details
RPi Pin Uses
Specifications
Terms and Conditions
Open-Source Links

OpenSprinkler Pi Specifications

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