3/15/2023 0 Comments Opensprinkler pi api![]() ![]() There are many good reasons to do so, for example, to enable logging, to customize the default Javascript files, and to allow more advanced features such as weather-based and learning-based control. The idea of OSPi first came when I noticed that several OpenSprinkler users were setting up Raspi to work with OpenSprinkler. I bought a Raspi a few months ago, and have been quite happy with it since then, but I at that point I had not thought about designing an OpenSprinkler extension board for it. Since the beginning of Raspi, there have been many published DIY projects on how to use Raspi for home automation need. A more dedicated webpage will be available soon. This post serves as a quick introduction to the hardware and software setups. If you have an existing sprinkler controller, you can reuse the transformer.Hi, I am glad to announce the arrival of OpenSprinkler Pi ( OSPi) 1.0 - a sprinkler or irrigation extension board for Raspberry Pi that provides direct access and control of sprinkler valves. 24VAC/500mA Transformer (not included by default, but is an optional add-on).Note: does NOT include RPi, nor enlcosure.Screw terminal blocks, support pillars for RPi and screws.One assembled and tested OpenSprinkler Pi board.Automatic weather-based water time adjustments - use online weather data to auto-adjust water times based on temperature, humidity and rainfall.Control from anywhere - use any modern browser, or use our free apps for iOS, OSX, Android, Kindle Fire, Windows 8, Chrome, and Firefox.Expandable - one OSPi supports 8 zones expandable to 200 with OpenSprinkler zone expansion boards.Comes with sensor terminals, zone expansion board connector, and transient voltage protectors.Single power supply design - the same 24V AC sprinkler transformer powers both sprinkler valves and RPi.In other words, it is a circuit board that allows an RPi to directly interface with sprinkler valves. OSPi is designed as an extension board that makes use of RPi’s GPIO pins to directly control sprinkler valves, without an additional layer of microcontorller and Ethernet controller. Laser cut Enclosure Assembly Instructions (for past orders that include the enclosure current OSPi no longer includes enclosure).Laser cut acrylic enclosure design is provided (assuming 3mm acrylic).3D printable enclosure design is provided.Comparisons of OSPi with other OpenSprinkler products.If you are looking for a sprinkler controller that works out of the box, please check out the fully assembled OpenSprinkler. ![]() This product requires prior experience with RPi, since you will need to install OSPi software on your own.Instructions to Install OpenSprinkler Firmware.Also, if you plan to use RPi 3 or 4: due to the power consumption of RPi 3 or 4, you might need an additional USB adapter to power RPi 3 directly through its microUSB port. Note: This version WILL NOT fit RPi 1 Model A or B (i.e. Instead, the design of a 3D printable enclosure is provided, you can use it to print the enclosure yourself, or order it online, such as from NOTE: OSPi no longer comes with enclosure. It allows RPi to directly access and control sprinkler valves. OpenSprinkler Pi (OSPi) is an extension board for Raspberry Pi (all versions of RPi). ![]()
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