The black power cable has a red and a black wire. ![]() The white COM wire goes into the COM port. ![]() Once you have your OpenSprinkler setup, you will assign your P/MV to the “Master” section. Plug this into an available zone (either 7 or 8). The black P/MV cable is your pump/master valve. The red zone cables should be inserted into the corresponding zones (Zone 1 on the old system goes into #1 on OpenSprinkler). Insert each wire and tighten them down with a small screwdriver. Just in case you didn’t know, the orange and green wiring blocks can be removed to insert the cables in easier. Then, you will insert those cables into the corresponding ports on the OpenSprinkler unit. Your setup might not have a P/MV wire, but if it does – you’ll need to plug that into an available Zone port on OpenSprinkler. In short, the only cables you really need to unplug from the old system into the new are: I’ve never opened up my sprinkler before, so this was all brand new for me. However, one thing that was lacking was how to physically install the various cables and zones into the unit. If you ever move houses and plan on keeping your OpenSprinkler, then you can quickly plug the wires back in correctly to the old system. I recommend taking the time to label every cable and takes pictures. I purchased both the OpenSprinkler unit and 24VAC adapter from here: Įverything you need to know about installing OpenSprinkler can be found in the getting started guide. If you’d like to go the DIY route, you can follow one of their github guides to install it on a raspberry pi. ![]() If you purchase the pre-assembled kit, nothing else is needed and no soldering is required. Total cost was $172.95 for both after shipping. I just purchased the pre-assembled OpenSprinkler with a 24v AC adapter. I currently have a 6-zone Hunter Pro-C, so I didn’t need to purchase one. Depending on how many sprinkler zones you have will determine whether you need to purchase a Zone Expander. In this guide, I will show you how to install OpenSprinkler into your existing sprinkler system in 2021.įirst, read over their getting started guide. If you’d like to play around with a live demo, you can do that here: OpenSprinkler is web-based sprinkler controller for your lawn, garden, or plants. After doing some research, I stumbled across an open source project called OpenSprinkler. More video demos showing how to use the controller to switch other devices (light bulbs, power switches etc.) can be found on my website.One of the most recent smarthome projects I’ve worked on was making my sprinkler system “smart”. You can follow the design to make your own PCB or simply buy a kit from: Video Demoīelow is a video demo of the project. The design of the schematic, PCB, and parts list can be found on the project description page at: h ttp:// Most importantly, it comes as an open-source kit, so you can feel free to build it, program it, modify it, or hack it! This project requires some soldering tools and skills, but even if you have never soldered before, it should be pretty easy to get started. The power supply design works with both AC and DC power input. The triacs on board can also be used to switch other AC devices, or replaced with MOSFET/transistors to switch DC devices. Reserved PCB slot for the RFM12B wireless transceiver, useful for wireless RF communications with sensors, battery-operated valves (coming soon), and remote-control units in the future. The controller is compatible with most 24VAC household sprinkler valves. Powered directly from the 24VAC sprinkler transformer. Allows up to 8 water stations/zones, individually controlled (can be extended to 16 by adding a shift register). Microchip ENC28J60 Ethernet controller enables web-based scheduling, through either wired Ethernet connection, or WiFi connection if used with a WiFi repeater. AVR Atmega328 MCU running at 8MHz, compatible with the open-source Arduino software. Basic features of the OpenSprinkler include: These limitations are the main motivation of this project. You may be planning to buy or have already purchased a commercial sprinkler timer / controller, but chances are that these systems provide a limited set of fixed functionality, and have no web scheduling capability. ![]() It can be used to schedule and work with standard 24VAC sprinkler valves commonly found in household watering and irrigation systems. I am proud to introduce OpenSprinkler: an open-source, programmable, web-enabled sprinkler valve controller.
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