OpenSprinkler Pi (OSPi) is a sprinkler / irrigation extension board for Raspberry Pi (RPi). It allows RPi to directly access and control sprinkler valves. This is version 1.3, with on-board 24V AC to 5V DC switching regulator, solenoid drivers, DS1307 RTC and battery, PCF8591T 8-bit A/D D/A converter (4 input and 1 output channels), fuse, rain sensor terminal, 120V/2A mini relay, and per-station transient voltage suppressor (bidirectional TVS).
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|Operating Voltage||22 to 28V AC|
|Output Current||500mA @ 5V to power RPi|
|Built-in Components||24V AC to 5V DC converter, RTC with battery, rain sensor terminal, 4-channel ADC, fuse, mini-relay, per-station TVS.|
|Maximum # of Zones||No software limit|
|Maximum Current Per Zone||800mA continuous (@24VAC), 8A impulse / inrush|
|Package Inclues||One assembled and tested OSPi board, separation pillars, terminal blocks, 8-pin and 3-pin cables, and product case. (===DOES NOT=== include 24V AC sprinkler transformer or valves, which are available at Amazon.com or local home improvement stores). (===DOES NOT=== include Raspberry Pi).|