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. […]
Posted in Arduino, Uncategorized on Jun 4th, 2012
The trip to Maker Faire Bay Area this year was a great success. This is the first time that I participated Maker Faire as a commercial maker. The two-day event was completely overwhelming to us. I was basically talking to people non-stop: showing demos, explaining technical details, outlining future plans, answering questions, and of course […]
Posted in Arduino, Power switch on May 5th, 2012
Update: check out the RFToy — an easy-to-use standalone gadget to control remote power sockets. Also, support for remote power sockets have been added to OpenSprinkler firmware 2.1.1. Note: the RF transmitter used in this article is available for purchase in the shop page. In a previous post I described a way to use an […]
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