Dec 13, 2017 · With OpenGarage, you can monitor the door status, close or open it from anywhere, check history, get notifications, and even delegate it to auto-close the door with the automation feature. OpenGarage is an open-source, universal garage door opener. It has built-in WiFi and cloud support. The hardware is based on the ESP8266 WiFi chip. Jun 1, 2016 · Lastly, GPIO15 is used by OSPi for RF Stations and so it is not made available for GPIO Stations via the UI. By default OSPi sets this pin low during initialisation so it is odd that connecting it to your relay board caused “chattering”. It should have resulted in either a constantly “on” relay (if active low) or a constantly “off ... 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. 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 … 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 ... 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 …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 marking may differ somehow depending on the manufacturer, but in general the marking is not the full part number because there is not enough space to put the entire part number. Many rectifier diodes are interchangeable. For example, D1 on OSPi is a standard rectifier with a minimum of 100V reverse voltage stand.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 …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.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...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 …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.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. For All of OpenSprinkler 2.3, 3.x and OpenSprinkler Pi (and Linux-based systems) Support for Sequential Groups: this generalizes and replaces the previous per-zone sequential attribute. Zones in the same sequential group are automatically serialized, while zones in different groups can run simultaneously.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. Scan For Device. Manually Add Device.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.The time is calculated using two pieces of information: the NTP time (which is UTC+0 time) and the time zone (this is obtained from the opensprinkler weather server, which calculates your time zone using your location). If you export your configurations to a .json file, and open the file, there is a variable called “tz”, which is the time zone. · 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.Sep 30, 2014 · Announcing OpenSprinkler Firmware 2.1.0 (Major Upgrade) →. We’ve just released a new OpenSprinkler Firmware Update program, with a video tutorial to walk you through the steps of how to upgrade your firmware. Hopefully this will make it easy for users to transition to the upcoming Firmware 2.1.0, which has a number of significant new ...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. Forums for OpenThings. OpenSprinkler Unified Firmware. Announcements, questions, and suggestions about the OpenSprinkler Unified firmware. 831. 5,946. 1 day, 6 hours ago. Nicola. OpenSprinkler Mobile and Web App. Questions, comments, suggestions about OpenSprinkler mobile and web app. service: opensprinkler.set_water_level data: entity_id: sensor.opensprinkler_water_level water_level: 50 Set Rain Delay Example This sets the rain delay of the controller to 6 hours, i.e. all stations will stop and programs will not run until the rain delay time is over.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. 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 ...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.You can use 24VAC solenoid valves with your DC OpenSprinkler. I don’t think I’ve seen 24VDC solenoid valves around. March 20, 2019 at 2:34 am #59400. Kalu1. Participant. 24VDC is industry standard. Every factory has 24VDC valves. It would be good to edit link above where is said that 24VDC is ok.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.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 ...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.Both weather sources, Weather Underground and WeeWX provide acceptable weather data for the OpenSprinkler Weather Service. Hosting an own weather server isn’t always needed. At least for Netatmo Personal Weather Stations cloud services like Meteoware can be used to fill the missing link between Netatmo and Weather …This way, when OpenSprinkler starts to run any program, or receives weather changes, it can send a web request to IFTTT, which further triggers a text message or push notification to your phone. Conversely, to use a Maker action, you can set IFTTT to send a web request to your gadget. This way, when it receives an associated trigger, it can ...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.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.I am interested to discuss the integration of OpenSprinkler with other software. Perhaps the first step of this process should be for the designers of OpenSprinkler to share their vision of how OpenSprinkler is to integrate with IOT. My understanding is that the python version of OpenSprinkler has MQTT support, which …Announcements, questions, and suggestions about the OpenSprinkler Unified firmware. Questions about hardware troubles and hardware design. Explore alternative firmware solutions and software extensions developed by the community. Make comments, suggestions, or request new features.This boosting time turns out to be around 80 to 100ms. Second, OSBee by default uses 100ms pulse in both directions (i.e. both opening and closing the valve). This is very easy to change to 250ms and 62ms respectively to match the Gardena controller. The last issue deserves more thinking, that is, opening the valve requires 9V, but closing the ...Jun 1, 2016 · Lastly, GPIO15 is used by OSPi for RF Stations and so it is not made available for GPIO Stations via the UI. By default OSPi sets this pin low during initialisation so it is odd that connecting it to your relay board caused “chattering”. It should have resulted in either a constantly “on” relay (if active low) or a constantly “off ... 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.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.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 …Honestly if LCD and buttons are important for you, you should probably consider the fully assembled OpenSprinkler 2.3. The unified firmware works for both hardware. July 31, 2016 at 6:57 pm #43599. 951calguy. Participant. has anyone had any updates on the i2c lcd screen and how to make it work with ospi?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.Meet your New Sprinkler System. OpenSprinkler will improve your lawn, garden, or farm irrigation. Create custom programs and use our automatic weather-driven algorithms. …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 ...Because very few users take advantage of the relay, and it’s kind of expensive, we’ve made the decision to remove the relay from all OpenSprinkler hardware (including OS, OSPi, and OSBo). Also, due to a recent supply chain problem of ATmega644, it turns out that buying ATmega644 ends up costing more than ATmega1284, that’s why …Mar 24, 2021 · 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).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 …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 …Station 5. I want to be able to run both pumps at the same time, but stations sequential. For example. Both pumps stars at 6 am, and running time 1 hour per station. So at 6 am, pump1 starts and open station 1, pump2, at same time opens station 4. At 7, both pumps runing,station 1 closes, and 2 open. Similarly , station 4 turns off and 5 turns on.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.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. November 30, 2017 at 10:39 pm #48410. Ray. Keymaster. Not yet. Have been working on integrating Jeff Lawrence’s improved OpenGarage firmware, which does integrate MQTT for OpenGarage, and the same feature can be integrated into OpenSprinkler. I’ve put it on todo list now. April 3, 2018 at 1:35 pm #49483. perscheid.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 ... 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. If you don’t fill the event name or you use the wrong event name, you won’t receive notification. – Go to your webhooks documentation link to find the IFTTT token. Then put it in OpenSprinkler settings …The application allows you to automatically detect and control your OpenSprinkler irrigation system(s). OpenSprinkler is an open-source Internet web-based sprinkler timer / …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.Jul 10, 2023 · Introduction to OpenSprinkler Firmware 2.2.0 video on YouTube, I doubt it will fulfill my requirements: I have about 8 sprinkler zones plus 9 water dripping zones (patches and hedges). The water dripping zones only require about 1 bar water pressure. My water pump has 4.8 bar – and takes about 900 W and is noisy while running. OpenSprinkler › Forums › Hardware Questions › OpenSprinkler This forum has 295 topics, 1,274 replies, and was last updated 1 day, 2 hours ago by kakas . Viewing 26 topics - 1 through 25 (of 295 total) You can turn off extender mode by typing in the IP address of your remote controller, go to Edit Options -> Advanced, and check of Extender mode. You can also do this on the controller physically by using buttons. April 7, 2021 at 2:56 am #69684. imboeschi. Participant.May 17, 2019 · Step 2: Attach OpenSprinkler to the wall, and re-inser t the wires: Refer to the Hardware Interface diagram and Zone Wire Connection diagrams on the previous pages. All terminal blocks on OpenSprinkler can be unplugged for easy wiring. To unplug, firmly grab both ends of the terminal block, wiggle, and pull it out.Jul 25, 2018 · Weather adjustment methods rely on online weather data, those are independent of your rain sensor, which is your local sensor that does NOT depend on online weather data. If you want to only use rain sensor, please select ‘Manual’ as adjustment method, and configure your sensor as Rain sensor and use that. August 8, 2018 at 12:25 …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...Nov 29, 2012 · Participant. The combination of Raspberry Pi and OpenSprinkler seems to be working quite well. I posted the steps I used to get the pi and OpenSprinkler working together on my blog. At this point the Pi serves the JaveScript files and icons for the UI and handles logging of irrigation events. I am running a new OpenSprinkler (AC) and everything is working great except I cannot change the time zone. That dropdown option is disabled. I have tried enabling NTP and disabling but I still cannot change the timezone. I have set the location as west coast, but it forces timezone -5 which is east coast.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, …Jul 10, 2023 · Introduction to OpenSprinkler Firmware 2.2.0 video on YouTube, I doubt it will fulfill my requirements: I have about 8 sprinkler zones plus 9 water dripping zones (patches and hedges). The water dripping zones only require about 1 bar water pressure. My water pump has 4.8 bar – and takes about 900 W and is noisy while running.I will be updating the driver installation instructions for OpenSprinkler 2.1 and SquareWear right away, as they both use USBasp bootloader. Users have often complained that it’s frustrating to install USBasp driver for Windows 7 64-bit …I will be updating the driver installation instructions for OpenSprinkler 2.1 and SquareWear right away, as they both use USBasp bootloader. Users have often complained that it’s frustrating to install USBasp driver for Windows 7 64-bit …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.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 … OpenSprinkler › Forums › Hardware Questions › OpenSprinkler This forum has 295 topics, 1,274 replies, and was last updated 1 day, 2 hours ago by kakas . Viewing 26 topics - 1 through 25 (of 295 total) Software repository for OpenSprinkler, an open-source web-based sprinkler controller. - OpenSprinklerMar 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. I, too, had this problem and found that the only solution was to reboot OpenSprinkler. I also run HomeSeer, and developed an event to recognize when OS was offline to warn me. I tried any number of approaches, including an access point that was just 10 feet away. I finally gave up and switched to OpenSprinkler Pi.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 ...If you have already installed opensprinkler firmware onto the Pi then you can select a station (click the associated cog). In the settings popup, click the Advanced tab and select “GPIO” as the station type. You can now select the gpio pin that you want to toggle when this station needs to water. Make sure you then wire up that gpio pin to ...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 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 ... . Solitaire world of solitaire
Because very few users take advantage of the relay, and it’s kind of expensive, we’ve made the decision to remove the relay from all OpenSprinkler hardware (including OS, OSPi, and OSBo). Also, due to a recent supply chain problem of ATmega644, it turns out that buying ATmega644 ends up costing more than ATmega1284, that’s why …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.Description. OpenSprinkler v3.2/3.3 wired Ethernet module, to allow wired Ethernet connection on your OpenSprinkler. Please select the correct module based on your ... OpenSprinkler unchains you from your sprinkler or irrigation control box, enabling you to program, run, or stop zones at any time from anywhere. Whether you are at your desktop, laptop, tablet or phone; whether you are at home, office, or traveling on the road, you can access OpenSprinkler through any modern browser; or use our free apps ... May 21, 2017 at 3:48 pm #46359. Ray. Keymaster. Insert the two wires of the flow sensor to OpenSprinkler’s sensor port. Then in the OpenSprinkler web interface, go to Edit Options -> Weather and Sensors, and configure the sensor to be ‘Flow Sensor’. May 21, 2017 at 5:31 pm #46374.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, 2021OpenSprinkler 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 …The Android app does work if I point it directly at the OpenSprinkler controller. I’ve used tcpdump and wireshark to compare the traffic going to the controller when I try to connect the app to the controller, and the problem appears to be that the app is adding an additional “/” to the GET /js?… request when going through the proxy. ...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 …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 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 ... 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 ...Dec 30, 2015 · First, to reduce cost the Zero does not have the 2×20 pin headers pre-soldered, and it doesn’t have a standard size USB connector. This means in order to use it with OpenSprinkler Pi, you need to hand solder the pin headers; and in order to connect it to a USB WiFi dongle, you need a microUSB to USB adapter, which is commonly known as …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..