It allows RPi to directly access and control sprinkler valves. This is version 1.4+, with injection molded enclosure, on-board 24V AC to 5V DC switching regulator, solenoid drivers, DS1307 RTC with backup battery, mini-relay, and PCF8591T 8-bit A/D D/A converter (four input and one output channels).
OSPi v1.4+ is available! This version uses a different enclosure than the previous version shown in the video. PLEASE, take a look at the OSPi v1.4+User Manual for details.
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I am a computer scientist and electronics hobbyist. I work on research problems in computer graphics, and write software systems. In my spare time, I work on electronic projects, particularly in home automation systems.