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OpenSprinkler Pi User Manual

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OpenSprinkler Pi (OSPi) v1.43+ User Manual
(
Updated Oct 8, 2017
)

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Summary of Contents for OpenSprinkler Pi

  • Page 1: Table Of Contents

    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.

  • Page 2: Introduction

    To get started, you will also need the following, which are included by default and need to be purchased separately. ● a Raspberry Pi (any of the following versions: RPi 0; RPi 1 A+ or B+; RPi 2; RPi 3) ● nano-size USB WiFi dongle (optional) ●...

  • Page 3: Hardware Interface

    Hardware Interface The left image below marks the connectors and locations of various pinouts. The right image marks the locations of the USB WiFi dongle and SD card after the Raspberry Pi is plugged in. OSPi 1.43+ Hardware Setup 0. Preparation OSPi 1.43+ comes with a laser-cut acrylic enclosure.

  • Page 4: Attach Rpi To Ospi

    24VAC Warning: if the LED doesn’t light up, please unplug the power immediately. If you can’t figure out the problem, send an email to support@opensprinkler.com. 2. Attach RPi to OSPi OSPi has two support pillars (one next to the square-shaped inductor, one under the RF transmitter pins) that match the screw holes on RPi (except RPi 0 which doesn't have these screw holes).

  • Page 5: Zone Expansion Board

    4. Wiring Sprinkler Valves To connect a sprinkler valve, insert one wire to the COM (common) terminal, and the other wire to any of the station terminals (1-8). The COM terminal has two ports – they are internally connected so either port is fine. To connect multiple valves, one wire from each valve should come together and go to the COM terminal;...

  • Page 6: Rain Sensor / Flow Sensor / Program Switch

    2. Using OSPi Firmware The default firmware set to run on start-up is the OpenSprinkler Unified Firmware. It’s available at port 8080. Open a browser, and type in http://ospi_ip:8080/ to start using the firmware, where ospi_ip is your OSPi's local IP address.

  • Page 7: Technical Details

    Technical Details RPi Pin Uses OSPi uses the following GPIO pins on the RPi (shaded in red). The other pins are free. The power pins as well as SDA/SCL pins can be shared with other devices. All 40 pins from RPi are mapped out in the pinout area at the upper left corner of the circuit board.

  • Page 8: Terms And Conditions

    Terms and Conditions OpenSprinkler Pi (OSPi) is an open-source project. The hardware design and software code are made publicly available under the Creative Commons Attribution-ShareAlike (CC BY--SA) 3.0 license. The product is open-source for educational purpose and to promote innovations. The hardware and software are provided as is. We (Rayshobby LLC) are not responsible for any damage or accident that may occur due to hardware or software error, or during the assembly, use, and modification of OSPi.

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