Posted in Learning Electronics, Power switch, Sprinkler Projects on May 10th, 2013
Voltage conversion from 24VAC to 5VDC is quite useful, because a lot of home automation devices use 24VAC, including sprinkler solenoids, home surveillance systems etc. Having a conversion module makes it easy to use a single power supply, without a separate 5V adapter for your control circuit. There are plenty of resources you can find […]
Posted in Arduino, Sprinkler Projects on May 9th, 2013
Hi All, OpenSprinkler will have a booth at the Bay Area Maker Faire again this year. Due to a number of reasons, I cannot make it myself, but Aaron Newcomb from California has generously volunteered to host the booth for me. He will be showing demonstrations with the OpenSprinkler controller. There will also be flyers […]
Posted in Arduino, Sprinkler Projects on May 7th, 2013
Recently a random crashing issue has surfaced on the forum regarding some of the OpenSprinkler 2.0 development boards that we sent out a few weeks ago. The background is that we have started shipping a development version of 2.0 for any recent order of the assembled OpenSprinkler. The symptom is that some of the units […]
Posted in Arduino, Learning Electronics, Sprinkler Projects on Apr 24th, 2013
During the process of cleaning up my workshop today, I collected all the OpenSprinkler prototype boards that have had design mistakes or were built and failed in the past, and looks at this whole box of lovely PCBs: Probably no less than 30 boards in the box. It’s quite shocking to realize how many there […]
Posted in Raspi, Sprinkler Projects on Apr 21st, 2013
I’ve made a minor update to OpenSprinkler Pi (OSPi), and the new version v1.02 has improved design of the separation pillars in order to make use of the screw holes available on Raspberry Pi rev. 2. See the picture below: This way, the Raspberry Pi rev. 2 can be more securely attached to the OSPi […]
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