Announcing OpenSprinkler Firmware 2.2.0(1) December 30, 2022 Announcing OpenGarage Firmware 1.2.0 October 7, 2022 Learning Electronics — I/O expander options October 10, 2021 Address OpenThings 5 Valley Lane Amherst, MA 01002 Email General Inquiry: [email protected] Orders: [email protected] Sales and Distribution: [email protected] Technical Support: support.opensprinkler.com NOTE: if you are seeking support for an existing product purchase from us, please submit a support ticket at support.opensprinkler.com and provide necessary information such ... OpenSprinkler › Forums › OpenSprinkler Unified Firmware › OpenSprinkler 3.0 firmware update This topic has 1 reply, 2 voices, and was last updated 6 years, 7 months ago by Ray . Viewing 2 posts - 1 through 2 (of 2 total)For OpenSprinkler 3.x only — one major step forward is the support of OpenThings Cloud (OTC) token, which allows remote access via the OTC cloud server. This eliminates the need for settings up port forwarding, which has been a pain for manual users. OTC has been enabled for our OpenGarage product for a while, and it seems to …This video demonstrates the main features of OpenSprinkler Firmware 2.2.0. The content follows firmware 2.2.0 user manual, available at https://support.opens...Announcing OpenSprinkler Firmware 2.2.0(1) December 30, 2022 Announcing OpenGarage Firmware 1.2.0 October 7, 2022 Learning Electronics — I/O expander options October 10, 2021 The opensprinkler then always comes up with an IP adderess of 198.162.0.100, however this does not appear in the list of connected devices on my modem, and if i put that IP into my computer or phone, it will not connect. Any ideas if this is a modem issue or setting with the Netgear modem, or something else? Thanks. Keymaster. 1. yes, it should work with OpenSprinkler. The output of this soil clik sensor is a relay which is a dry contact type. 2. no, this soil sensor is not a dry contact type, it requires an additional microcontroller to ‘interpret’ the result of the soil moisture value. It cannot be used directly with OpenSprinkler.Rain gauge is currently not supported: at least not supported if you want to use it to stop watering when a certain amount of rain is received. Technically rain gauge works like a flow sensor — the reed switch internally turns on and off repeatedly to indicate the rate at which rain is accumulated. You can use rain gauge in the sense that you ...You must be logged in to reply to this topic. OpenSprinkler › Forums › OpenSprinkler Mobile and Web App › App displays Celsius, can't change it. I just noticed that my app is displaying metric measurements instead of imperial. I can't find any way to change it. My phone settings are imperial, and the controller and my phone are …RFToy is an Arduino-compatible gadget for interfacing with radio frequency (RF) modules. It can be used as a standalone gadget, or in conjunction with OpenSprinkler (including DC / AC / Pi) to decode and simulate RF signals on RF remote power sockets. This allows OpenSprinkler to switch not only sprinkler valves, but general devices such as lights, …Jul 23, 2023 · OpenSprinkler is an open-source Internet web-based sprinkler timer / controller built upon the Arduino platform. Features of the app include: * Easy to understand device status. * Quick program modification. * Launch ad-hoc or defined programs instantly. * Manual mode for convenient testing. April 8, 2014 at 2:00 pm #22829. Austria. Member. Hi! I am an absolute beginner, when it comes to the RaspBerry. So I’m really glad that I managed to get the SD card with openSprinkler setup for my RaspBerry. But after booting into the shell, it stops prompting me for a password and an login. Can anybody help me out with the standard login ...OpenSprinkler Bee 2.0 is a standalone device that can switch up to 3 zones of solenoid valves, pumps, or other low-voltage devices. It has a web interface, OLED …Basic features of the OpenSprinkler include: - AVR Atmega328 MCU running at 8MHz, compatible with the open-source Arduino software. - Microchip ENC28J60 Ethernet controller enables web-based scheduling, through either wired Ethernet connection, or WiFi connection if used with a WiFi repeater. - Allows up to 8 water stations/zones, individually ...OpenSprinkler Bee 2.0 is a standalone device that can switch up to 3 zones of solenoid valves, pumps, or other low-voltage devices. It has a web interface, OLED …April 8, 2014 at 2:00 pm #22829. Austria. Member. Hi! I am an absolute beginner, when it comes to the RaspBerry. So I’m really glad that I managed to get the SD card with openSprinkler setup for my RaspBerry. But after booting into the shell, it stops prompting me for a password and an login. Can anybody help me out with the standard login ...The application allows you to automatically detect and control your OpenSprinkler irrigation system (s). OpenSprinkler is an open-source Internet web-based sprinkler timer / …Check the program’s interval time — it should not be zero. If you just want the program to run once during a day, you can use a large interval (such as 23 hours). As long as the end time minus the start time is less than the interval time, the program will run only once (at the start time). From firmware 2.1.2, the settings for each program ...I think it would be extremely powerful to get alert via email for example when the flow sensor reads flow when no valves are on. In addition, I think it would be nice to get alerts when there is a 0 flow reading when the valves are on meaning the source water is not flowing (i.e. was mistakenly turned off). November 9, 2015 at 12:33 am #40714.Jul 21, 2015 · At 12 volts, that’s 417 ma (each). So well within the maximum OpenSprinkler spec of 800 ma per channel. But, I think the sum is too much for the 16 mil triac gnd trace on the OpenSprinkler pcb. Alternately, I could put 2:1 transformers on the OpenSprinkler channel outputs. That way I wouldn’t have to hack the OpenSprinkler pcb.Meet your New Sprinkler System. OpenSprinkler will improve your lawn, garden, or farm irrigation. Create custom programs and use our automatic weather-driven algorithms. … So in case you are looking for a 24V AC relay to work with OpenSprinkler in order to switch high-voltage devices, this is an inexpensive (. 2. Schrack RT314524: This is a very small 24V AC relay that you can buy from Mouser or Digikey. It has a contact rating of 16A @ 250VAC, which is also plenty for common applications. OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Announcing OpenSprinkler Unified Firmware 2.1.9 (4) What's New Firmware 2.1.9 (4) is now available. The primary change in this firmware is the initial support for MQTT (thanks to the generous contributions by jbaudoux, PeteBa, and vsoltan). To use MQTT, this firmware requires …Participant. I was able to interface an existing netafim flow sensor to the rain sensor input on the OS, and modify the main.cpp to display the flow rate when valves are turned on. It was amazingly stable (see attached picture GPM display.jpg). the 6.36GPM varied from about 6.32 to 6.40GPM (once the line fill event occurred, which could take 1 ...Nov 29, 2013 · OpenSprinkler Pi. Watch on. If you hate watering the garden but enjoy messing around with computers, OpenSprinkler Pi is a no-brainer. It’s the cheapest and most configurable system of its type I’ve come across, it’s open source (and this means that Ray’s not the only person working on it – tools from the community like Rich Zimmerman ... OpenSprinkler Bee. An open-source controller for battery-operated / latching sprinkler valves. The standalone version is powered by AA batteries and controlled remotely via RF. The shield version plugs directly into a standard Arduino . ESPToy. An open-source gadget for the ESP8266 WiFi module. Built-in ATmega644, USB, color LED, thermistor ...OpenSprinkler Zone Expander. $ 49.00 – $ 50.00. OpenSprinkler Zone Expander provides an easy and inexpensive way to increase the number of stations for your OpenSprinkler. Each expander adds 16 zones. Please note that there is NO expander for OpenSprinkler Latch — the DC expander will NOT work with OpenSprinkler Latch.This application interfaces with OpenSprinkler. The application has been tested and is compatible with all versions of the Unified firmware for both Arduino and Raspberry Pi. …Dec 30, 2015 · Currently the OpenSprinkler Pi circuit board doesn’t have screw holes that match those on the Zero. The consequence is that the Zero won’t have much physical support other than the 2×20 pin header, which is pretty tight and does provide reasonable support. I will have to modify the board design to incorporate the screw holes. Use SSVNC on the client and TightVNC on the pi to access the pi’s desktop through the SSH tunnel. Run the interval program via Chromium web browser on the pi’s desktop. It took a little setup but it works smoothly. Maybe someday the ospi code will be secured. April 3, 2014 at 4:59 am #26340.Announcing OpenSprinkler Firmware 2.2.0(1) December 30, 2022 Announcing OpenGarage Firmware 1.2.0 October 7, 2022 Learning Electronics — I/O expander options October 10, 2021Its simple, after speaking with DAB , the pump regulates pressure in the line as the solenoids are opened by open sprinkler controller than pushes water to the desired zone. Once the zone solenoid turns off the water pressure in the line signals the pump to turn off. There is a delay of 10 sec which is standard from the manufacture and can be ...OpenSprinkler. Welcome to the OpenSprinkler application. This app only works with the OpenSprinkler controller which must be installed and setup on your home network. …OpenSprinkler hat eine Leistungsaufnahme von ungefähr 2,2W = ca 0,1A. Ein Rain-Bild Magnetventil hat einen maximalen Strom von 0,3A. D.h bei 4 Magnetventilen GLEICHZEITIG haben Sie 4x 0,3A + 0,1A = 1,3 A Einschaltstrom, das nächstgrößere Netzteil mit 1,5A sollte genommen werden.At 12 volts, that’s 417 ma (each). So well within the maximum OpenSprinkler spec of 800 ma per channel. But, I think the sum is too much for the 16 mil triac gnd trace on the OpenSprinkler pcb. Alternately, I could put 2:1 transformers on the OpenSprinkler channel outputs. That way I wouldn’t have to hack the OpenSprinkler pcb.Aug 6, 2023 · Welcome to the OpenSprinkler application. This app only works with the OpenSprinkler controller which must be installed and setup on your home network. Purchase OpenSprinkler. OpenSprinkler.com Login. Add Controller.Basic features of the OpenSprinkler include: - AVR Atmega328 MCU running at 8MHz, compatible with the open-source Arduino software. - Microchip ENC28J60 Ethernet …Mar 25, 2021 · Part 2: Add OpenSprinkler Integration. Navigate to Configuration > Integrations > Add Integration. Search for OpenSprinkler. Next, add your OpenSprinkler IP address, login password, and controller name. MAC address can be left blank. Then, click Submit. Assign it to an area like your garage and click Finish.OpenSprinkler Pi is an extension board for the Raspberry Pi. It makes use of the Raspi's GPIO pins to directly interface with sprinkler valves. It features a...Once we have the code, we can use OpenSprinkler to simulate the code, thus be able to control remote devices. Heads-up: the following steps require a small amount of soldering. The estimate time for modification is 15 to 20 minutes. Step 1: Decode Remote Power Sockets. Take out the RFToy, plug in a 433MHz receiver (making sure the VCC and … OpenSprinkler is designed to be easy to install and use, and is compatible with a wide range of sprinkler valve systems. Ray: tell me more about opensprinkler. ChatGPT: OpenSprinkler is a sprinkler controller that allows users to automate their irrigation systems and customize watering schedules through a web interface or a smartphone app. Sep 22, 2019 · Application Protocol Source Net Port from IP Address Port to Enable. Sprinkler Both 0.0.0.0 80 198.168.1.98 80 y. The OpenSprinkler Shows the same Ip address and Port. My External IP is 31.xx.xxx.61. I installed APP, and added new device. Entered Name and. Open Sprinkler IP as 31.xx.xxx.61:80. and password. OpenSprinkler Station is for gaining advanced controls and status information over a single station (zone) of a device, e.g. to turn it on or off, or the time remaining. OpenSprinkler Device is for device-specific controls that usually apply to multiple stations or main unit sensors, e.g. if rain was detected. About. A mobile interface for the OpenSprinkler irrigation device. Designed to allow manual control, program management (preview, add, edit, and delete), initiation of a run-once program, viewing graphical and tabulated representations of log data, viewing device status, adjusting rain delay, and changing of OpenSprinkler settings. · Keymaster. 1. yes, it should work with OpenSprinkler. The output of this soil clik sensor is a relay which is a dry contact type. 2. no, this soil sensor is not a dry contact type, it requires an additional microcontroller to ‘interpret’ the result of the soil moisture value. It cannot be used directly with OpenSprinkler.The OpenSprinkler firmware (written in Arduino) provides a rich set of features, including web-based user interface, interval programming, graphical preview, … So in case you are looking for a 24V AC relay to work with OpenSprinkler in order to switch high-voltage devices, this is an inexpensive (. 2. Schrack RT314524: This is a very small 24V AC relay that you can buy from Mouser or Digikey. It has a contact rating of 16A @ 250VAC, which is also plenty for common applications. There are a bunch of kinds…. -two wire reverse polarity to open or close. -three wire, common and + to one ot open, + to the other to close. -two wire spring return – + to open, 0 to close. (more expensive but failsafe) 24vac dpdt relay driven by open sprinkler output, with a dc supply to drive the valves could be wired to any of these types.OpenSprinkler is a device that replaces your outdated sprinkler controller and lets you create custom programs and use weather-driven algorithms. You can access and control …OpenSprinkler. Welcome to the OpenSprinkler application. This app only works with the OpenSprinkler controller which must be installed and setup on your home network. …The application allows you to automatically detect and control your OpenSprinkler irrigation system(s). OpenSprinkler is an open-source Internet web-based sprinkler timer / …Jan 7, 2017 · OpenSprinkler Bee (OSBee) is an open-source, WiFi-enabled sprinkler controller for latching solenoids. It is suitable for garden and lawn watering, flower and plant irrigation, hydroponics, and other types of watering projects. It comes with built-in WiFi, OLED display, 3D-printed enclosure, and can switch up to 3 zones independently. It is …The application allows you to automatically detect and control your OpenSprinkler irrigation system(s). OpenSprinkler is an open-source Internet web-based sprinkler timer / …Regarding concurrent vs sequential running modes, currently the only option is to globally switch between the two (i.e. either all stations run sequentially, or all stations are allowed to run concurrently). There is currently no support for subsets of sequential groups. July 5, 2013 at 7:43 pm #24613. djMax.OpenSprinkler owners can use this solution to send their PWS weather observations onto a local Weather Service server. For more information on the "WeeWX Solution" click here. 4 ) Solutions for specific PWS (provided by OpenSprinkler Forum members) Davis Vantage: a solution for this PWS has been kindly provided by @rmloeb hereA mobile interface for the OpenSprinkler irrigation device. Designed to allow manual control, program management (preview, add, edit, and delete), initiation of a run-once program, viewing graphical and tabulated representations of log data, viewing device status, adjusting rain delay, and changing of OpenSprinkler settings.Apr 14, 2021 · OpenSprinkler – zavlažování přes HomeKit. Několik let jsem úspěšně provozoval automatizovanou závlahu řízenou jednotkou Hunter XCore. Při přemýšlení o dalším upgrade věcí do HomeKitu jsem dospěl k tomu, že je na čase nahradit tuto jednotku něčím inteligentnějším. Výchozí situace je sice funkční, nicméně ... Address OpenThings 5 Valley Lane Amherst, MA 01002 Email General Inquiry: [email protected] Orders: [email protected] Sales and Distribution: [email protected] Technical Support: support.opensprinkler.com NOTE: if you are seeking support for an existing product purchase from us, please submit a support ticket at support.opensprinkler.com and provide necessary information such ... A mobile interface for the OpenSprinkler irrigation device. Designed to allow manual control, program management (preview, add, edit, and delete), initiation of a run-once program, viewing graphical and tabulated representations of log data, viewing device status, adjusting rain delay, and changing of OpenSprinkler settings.24VAC/500mA sprinkler transformer for OpenSprinkler AC and OpenSprinkler Pi. Please note that this plug is only for 110~120v U.S. outlets. Due to the low current rating (500mA), it is NOT suitable to run more than 2 valves at the same time (i.e. concurrent/simultaneous zones). If you need to run more zones at the same time, please find a 24VAC …Check the program’s interval time — it should not be zero. If you just want the program to run once during a day, you can use a large interval (such as 23 hours). As long as the end time minus the start time is less than the interval time, the program will run only once (at the start time). From firmware 2.1.2, the settings for each program ...1) the clock on the controller’s display is frozen at a time earlier in the day. 2) none of the 3 buttons on the controller do anything. 3) the Ethernet module’s internal red LED is still on, and the 2 LEDs on the RJ45 jack seem to reflect normal network activity. 4) the controller still responds to pings. 5) if the controller was in the ...Jul 1, 2013 · Regarding concurrent vs sequential running modes, currently the only option is to globally switch between the two (i.e. either all stations run sequentially, or all stations are allowed to run concurrently). There is currently no support for subsets of sequential groups. July 5, 2013 at 7:43 pm #24613. djMax. OpenSprinkler is an open-source Internet web-based sprinkler timer / controller built upon the Arduino platform. Features of the app include: * Easy to understand device status. * Quick program modification. * Launch ad-hoc or defined programs instantly. * Manual mode for convenient testing. * Multi-device support. Mar 24, 2021 · Unscrew each of them first. Insert each wire and tighten them down with a small screwdriver. The red zone cables should be inserted into the corresponding zones (Zone 1 on the old system goes into #1 on OpenSprinkler). The black P/MV cable is your pump/master valve. Plug this into an available zone (either 7 or 8). This is an ESP32 port of OpenSprinkler 2.1.9 firmware. As ESP32 has many GPIO pins, the main stations (8) are handled by ESP32 instead of any PCF8574's. All buttons are managed by the main ESP32 board too. Firmware is tested and works as AC version (DC and LA require a dedicated HW eg. voltage buster). As I do not have an ethernet board, …Two months ago, I wrote a blog post about the preview of OpenSprinkler Bee, which is an open-source arduino-based controller for battery-operated sprinkler valves.While that’s still in the development stage, today I am glad to announce that an Arduino shield version of OpenSprinkler Bee is completed and immediately available …Jun 16, 2015 · The MAJOR reasons I bought an OpenSprinkler are the option to use my own WU weather station for input with the Zimmerman Method, the web interface, and the security of NOT having a device depending on the cloud like the Rachio and Blossom controllers. I assumed the Zimmerman method was based on scientific study of irrigation using past and ... There are a bunch of kinds…. -two wire reverse polarity to open or close. -three wire, common and + to one ot open, + to the other to close. -two wire spring return – + to open, 0 to close. (more expensive but failsafe) 24vac dpdt relay driven by open sprinkler output, with a dc supply to drive the valves could be wired to any of these types.Jul 23, 2023 · OpenSprinkler is an open-source Internet web-based sprinkler timer / controller built upon the Arduino platform. Features of the app include: * Easy to understand device status. * Quick program modification. * Launch ad-hoc or defined programs instantly. * Manual mode for convenient testing. Posts. I’ve created an alternative control software module to control the Raspberry Pi OpenSprinkler system. It’s entirely self contained and doesn’t require python, a web server, or any other heavy software to operate. It can also be compiled to run on the Atmel AVR / Arduino platforms, so theoretically it should run on the AVR ...OpenSprinkler Pi (OSPi) is an open-source sprinkler / irrigation extension board for the Raspberry Pi. It is an easy and low-cost solution to transform a Raspberry Pi into a …Oct 10, 2021 · PCA9555 and PCA9535 both have 16 I/O pins, and both use Totem-poll output, so they can both sink and source a large amount of current. They are used in the current OpenSprinkler 3.2 controller and zone expanders. The only difference between the two is that PCA9555 has built-in pull-up resistor while PCA9535 does not. About. A mobile interface for the OpenSprinkler irrigation device. Designed to allow manual control, program management (preview, add, edit, and delete), initiation of a run-once program, viewing graphical and tabulated representations of log data, viewing device status, adjusting rain delay, and changing of OpenSprinkler settings.Oct 10, 2021 · PCA9555 and PCA9535 both have 16 I/O pins, and both use Totem-poll output, so they can both sink and source a large amount of current. They are used in the current OpenSprinkler 3.2 controller and zone expanders. The only difference between the two is that PCA9555 has built-in pull-up resistor while PCA9535 does not. Zimmerman uses 3 pieces of data: Mean humidity ( defined as (min+max)/2 ), mean temp, and precipitation. They are weighted in the following manner: 30 – mean humidity. (mean temp – 70)*4. Precipitation * 200. Those are all divided by 100 and added together, then 100 is added for a scale, which is then bound to 0 to 200.You must be logged in to reply to this topic. OpenSprinkler › Forums › OpenSprinkler Mobile and Web App › App displays Celsius, can't change it. I just noticed that my app is displaying metric measurements instead of imperial. I can't find any way to change it. My phone settings are imperial, and the controller and my phone are … OpenSprinkler is an open-source web-based sprinkler controller / irrigation timer built upon open-source hardware and software. It works with standard 24V AC sprinkler valves commonly found in household watering and irrigation systems. You may be planning to buy a conventional sprinkler timer, but chances are that these systems provide a ... Feb 22, 2020 · Open Sprinkler is a free, open source, self hosted, browser based controller for your sprinkler system, and it can run through a Raspberry Pi. It has a simp... Getting started. Note: All of these screenshots are from examples within the library. In Node-RED, click the menu on the top-right, then Import -> Examples -> node-red-contrib-sprinkler. Create a sequence of zone timer nodes. Here, each timer duration is set to 3s . To create the sequence, you'll need to define a program configuration.
Mar 29, 2020 · Firmware tutorial video is available at www.opensprinkler.com . After the controller is powered on and establishes the WiFi connection, you can find out its client IP address on the LCD by clicking button B1. Also, the OpenSprinkler mobile app can automatically scan your local network to discover OpenSprinkler’s IP address.. Betm
rummaging through the forums, it looks like opensprinkler is having issues with APIs disappearing from the weather sites they use. When setting up my system, I noticed that the weatherunderground API key will expire in six months. I run a local weather station that transmits its data to several weather sites, but is also locally accessible on ... OpenSprinkler Station is for gaining advanced controls and status information over a single station (zone) of a device, e.g. to turn it on or off, or the time remaining. OpenSprinkler Device is for device-specific controls that usually apply to multiple stations or main unit sensors, e.g. if rain was detected. OpenSprinkler Bee. An open-source controller for battery-operated / latching sprinkler valves. The standalone version is powered by AA batteries and controlled remotely via RF. The shield version plugs directly into a standard Arduino . ESPToy. An open-source gadget for the ESP8266 WiFi module. Built-in ATmega644, USB, color LED, thermistor ...The application allows you to automatically detect and control your OpenSprinkler irrigation system (s). OpenSprinkler is an open-source Internet web-based sprinkler timer / …To do so: Power off the controller, then power it back on. As soon as you see the word 'OpenSprinkler', press and hold the third pushbutton B3 and continue holding it until the LCD displays 'Setup Options'. Click B3 as many times as you need until you are at the 'Ignore Password' option. Click B1 or B2 to select 'Yes'.OpenSprinkler Bee 2.0 is a standalone device that can switch up to 3 zones of solenoid valves, pumps, or other low-voltage devices. It has a web interface, OLED …May 16, 2020 · OpenSprinkler › Forums › Hardware Questions › Recommended flow meter This topic has 5 replies, 4 voices, and was last updated 3 years, 3 months ago by Ray . Viewing 6 posts - 1 through 6 (of 6 total) Basic features of the OpenSprinkler include: - AVR Atmega328 MCU running at 8MHz, compatible with the open-source Arduino software. - Microchip ENC28J60 Ethernet …Apr 9, 2024 · OSPy. Vlastnosti zařízení. ovládání zařízení přes webové rozhraní (telefon, tablet, webový prohlížeč) přes LAN nebo WiFi připojení. zabezpečení přístupu k rozhraní pomocí jména a hesla (možnost šifrovaného spojení přes https certifikát) možnost snadného zálohování (přenesení všech nastavení na jiný ...This way, if the WiFi signal is lost, the remote station will not remain on for more than 2 minutes, to avoid it being left on indefinitely. As a result, if you try to read the remaining water time from the remote station, it won’t be more than 2 minutes. The exception is when the ‘special station auto-refresh’ is turned off.May 20, 2020 · I have created two prototype board variants from Opensprinkler in Kicad. The first one based on the TTGO V2.1 1.6 (ESP32 Lora Board) and the second a dual board that can accommodate an esp32-wroom or an ESP-12E (ESP8266) plus a lora E22-900M3DS-SX1262 module. OpenSprinkler Pi (OSPi) is an open-source sprinkler / irrigation extension board for Raspberry Pi (RPi). It is based on the design of OpenSprinkler, but its ‘brain’ is an RPi instead of an AVR microcontroller. The idea of OSPi first came when I noticed that many users were setting up RPi to work with OpenSprinkler. At 12 volts, that’s 417 ma (each). So well within the maximum OpenSprinkler spec of 800 ma per channel. But, I think the sum is too much for the 16 mil triac gnd trace on the OpenSprinkler pcb. Alternately, I could put 2:1 transformers on the OpenSprinkler channel outputs. That way I wouldn’t have to hack the OpenSprinkler pcb.One thing you can check is the wire resistance. Use an online calculator to compute the wire resistance, such as this one: keep in mind that you need to input the round-trip distance. Typical sprinkler valves draw about 200 to 300mA holding current, and if the voltage drops below 18V AC they are unlikely to stay on. OpenSprinkler Station is for gaining advanced controls and status information over a single station (zone) of a device, e.g. to turn it on or off, or the time remaining. OpenSprinkler Device is for device-specific controls that usually apply to multiple stations or main unit sensors, e.g. if rain was detected. .