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Using 24V AC Relays with OpenSprinkler
Back in early December last year, we introduced a new feature in OpenSprinkler Firmware 2.1.1 that allows OpenSprinkler to directly talk to remote power sockets. With this feature, you can use...
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OpenSprinkler Recent News and Updates (Feb 2015)
Hey, it’s March already, that means spring will be here soon! Amid an unusually cold winter and freezing weather this winter in New England, we’re finally starting to see some warm winter days. No more...
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Announcing the First DC Powered OpenSprinkler (v2.3 DC)
After several months of continued development, I am excited to announce the release of the first DC powered OpenSprinkler — v2.3 DC. This version uses a 9V DC universal power adapter, and is designed...
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A New Batch of OpenSprinkler 2.3 Manufactured Locally at WAi
NOTE: this is a post that first appeared at the Rayshobby Blog. We are re-posting it here (with a couple of updates) to emphasize that OpenSprinkler is not only made in the USA, but made locally (at...
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Raspberry Pi Zero Works with OpenSprinkler Pi
My fortune cookie last night said I have recently left many things undone, and at this rate I may never get them done. Quite alarming indeed. One of the things I haven’t done well recently is regular...
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OpenSprinkler Pi Laser Cut Enclosure
For a long time, OpenSprinkler Pi (OSPi) has been using the OpenSprinkler injection molded enclosure. While this has worked fine, the enclosure is not particularly designed for OSPi, leaving some...
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“Alexa, Open Sprinkler Zone 1” — How to Use IFTTT with...
I just discovered something exciting recently and want to share with you: it’s now possible to use IFTTT with OpenSprinkler and OpenGarage; and because IFTTT support Amazon Echo (Alexa), you can now...
View ArticleOpenSprinkler Black Friday / Cyber Monday Sales Are On
A quick note that our Black Friday / Cyber Monday sales are on now: all OpenSprinkler products are shown in discounted prices right now, and the deal only lasts till Monday Nov 28. This is the only...
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Introducing OpenSprinkler Bee 2.0 — a WiFi-enabled Universal Sprinkler...
Today I am very excited to introduce OpenSprinkler Bee (OSBee) 2.0: it’s an open-source, WiFi-enabled, universal sprinkler controller. It is suitable for garden and lawn watering, plant and flower...
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How to Switch Gardena 1251 Latching Valve using OpenSprinkler Bee (OSBee)
Recently when helping a customer, I came across an interesting case of how to control Gardena 1251 latching solenoid valve using OpenSprinkler Bee. This valve is mostly sold in the European market and...
View ArticleLearning Electronics — I/O expander options
It’s hard to believe that two years have gone by since my last post. Lots of things happened during these two years: on the good side, we have our first baby born during a year of pandemic, and he is...
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View ArticleAnnouncing OpenSprinkler Firmware 2.2.0(1)
Today we’ve officially released OpenSprinkler firmware 2.2.0(1). As you may have noticed on this forum post, this firmware is a major revision from the previous firmware 2.1.9. Most of the new features...
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Fun with ChatGPT
Unless if you’ve been living under a rock, you’ve probably heard of ChatGPT by now, if you haven’t given it a try yet. Over this past weekend, I’ve had some fun with it. Not only it’s amazingly good at...
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