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OpenSprinkler Pi (OSPi) — Sprinkler / Irrigation Extension Board for Raspberry Pi


Source: http://rayshobby.net/?page_id=5816

OpenSprinkler Pi (OSPi) is an open-source sprinkler / irrigation extension board for Raspberry Pi (RPi). It is based on the design of OpenSprinkler, but its ‘brain’ is an RPi instead of an AVR microcontroller.

The idea of OSPi first came when I noticed that many users were setting up RPi to work with OpenSprinkler. There are 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. 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. In other words, it is a circuit board that allows an RPi to directly interface with sprinkler valves.

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