Posted in Arduino, Sprinkler Projects on Sep 27th, 2012
I had the urge to send this out a week ago, but I was holding on to it because I had to hear some feedback, suggestions, and issue reports from the initial users. Now I am ready to spread the words: OpenSprinkler Firmware 1.8.1 is available for download in GitHub, go for it! If you […]
Posted in Arduino, Product News, Sprinkler Projects on Aug 28th, 2012
About two weeks ago we started shipping out OpenSprinkler v1.4, and I figured it is now time to write a short post to announce it. What are the new updates in v1.4? • DS1307 RTC The main update is that the external EEPROM (24LC128) is replaced by a DS1307 Real-Time Clock (RTC). I am aware […]
Posted in Arduino, Product News, Sprinkler Projects on Jun 29th, 2012
Ok, this post is a bit late, as 1.3u has already started selling since Tuesday this week. Anyways, 1.3u is a minor revision since 1.2u. There are only a few changes (see Release Notes for details), so I didn’t make a release video. This post explains why these changes were made and some of the […]
Posted in Arduino, Sprinkler Projects on Jun 24th, 2012
I am glad to announce that the new interval program has been released and available for download at the OpenSprinkler GitHub page. This is a major software update since the initial release in October last year. Here is a list of new features in this version: Program-based scheduling. Each program consists of a set of […]
Posted in Arduino, Sprinkler Projects on Jun 12th, 2012
Over time I’ve received some questions regarding the hardware design of OpenSprinkler. Here are some common questions and my answers: Why using a switching regulator? Since OpenSprinkler uses a single power supply (i.e. 24VAC sprinkler transformer), it is necessary to step down 24VAC to 5VDC and 3.3VDC in order to provide power to the circuit. […]
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