It can provide regulated 5V power to BeagleBone Black with up to 750mA output current, which is sufficient to drive the BeagleBone Black with a USB WiFi dongle. OSBo makes use of four GPIO pins to send control signals to the shift register, two I2C pins (SDA, SCL) to interface with the RTC, and two additional pins to interface with rain sensor and the mini-relay. The mini-relay’s contact rating is 120VAC/2A). In addition, it includes a rain sensor port, per-station bidirectional TVS (transient voltage suppressor), and a 5V mini-relay for general-purpose switching (such as switching garage doors etc.
The circuit of OSBo consists of a 24VAC to 5VDC switching converter, a shift register, triacs, DS1307 RTC, CR1220 backup battery, and zone expansion connector. You can also make use of the digital/analog pins of the BeagleBone Black to interface with external sensors and actuators. OSBo is expandable - by linking OpenSprinkler Zone Expansion Boards, you can extend to an unlimited number of stations. By stacking a BeagleBone Black on top of OSBo, you instantly have a low-cost, web-connected sprinkler controller. OSBo makes use of BeagleBone’s GPIO pins to directly control sprinkler valves. It is based on the design of OpenSprinkler, but its ‘brain’ is a BeagleBone instead of an AVR microcontroller.
OpenSprinkler Beagle (OSBo) is an open-source sprinkler / irrigation extension board for the BeagleBone Black. To receive updates, you can sign up to the Rayshobby RSS Feed, Google+, Twitter, or OpenSprinkler Email List.OSBo software setup is easy: download the pre-configured SD card image for OSBo, burn it to a microSD card, pop it in to your BeagleBone Black, and you are ready to go! The microSD card image contains Dan’s interval_program, Samer’s mobile web app, and the Google Calendar-based scheduling program.
#Opensprinkler schematics install#
Search ‘opensprinkler’ in iOS App Store, Android Play Store, or Windows Phone Store, then install the app.
#Opensprinkler schematics manual#
Please check the OSBo v1.1 User Manual for instructions.OpenSprinkler Beagle v1.1 is now available at Rayshobby Shop. OpenSprinkler Beagle (OSBo) An Open-Source Sprinkler Extension Board for BeagleBone Black
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