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)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 ...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... 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. 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 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. 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. Thanks in advance. Cheers. Tom. March 20, 2016 at 10:18 pm #41807. Ray. Keymaster. Yes, you will need a pump start relay (because a station on OpenSprinkler DC can only drive a load up to 1 amp max, if your pump requires 5 amp, you will need a relay). March 20, 2016 at 11:09 pm #41818. tom.farmer0.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 …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. 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 ...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 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...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.I am seeing this in the homeassistant log constantly not sure what is up. My open-sprinkler device is connected via Ethernet cable, I never have connectivity issues while hitting OS web gui. 2022-08-26 06:21:22.143 INFO (MainThread) [cus...Having bought my OpenSprinkler I first tried to connect it via WiFi by buying the successor of the recommended WiFi Router, a TP-LINK TL-WR802N. As the controller is located under the surface about 20m away from our house it didn't get a connection. So I thought about PowerLine and bought an AVM FRITZ!Powerline 510E SetNov 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. 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. Nov 11, 2017 · Thanks! 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. 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.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 › Forums › OpenSprinkler Mobile and Web App › Changing the user interface This topic has 17 replies, 5 voices, and was last updated 7 years, 8 months ago by 951calguy . Viewing 18 posts - 1 through 18 (of 18 total)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 ...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.The OpenSprinkler web interface allows you to program water schedules and monitor station status through the web. Compared to traditional sprinkler timers, which limit you …Apr 14, 2022 · Its 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 ... 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.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 …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. March 16, 2015 at 9:41 pm #36045. Ray. Keymaster. The ‘parallel stations’ are mainly intended for non-sprinkler stations — now that OpenSprinkler supports radio frequency (RF) stations (such as remote power sockets), you can use it to switch landscape lights, or other general-purpose powerline devices with OpenSprinkler.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. 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. Keymaster. OpenSprinkler is currently designed to work with 24V AC valves only. It’s probably quite difficult to power these valves with battery / solar panel. Technically you need an inverter that converts DC to AC, but I’ve seen discussions that these AC valves can run on DC voltage (al beit less efficient / draws more energy than running ...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 …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 …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.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 ...Apr 29, 2018 · I recently installed OpenSprinkler and set it up for the Zimmerman algo. I saw a similar effect where the length of watering is reduced. My solution was to lengthen the run times for the stations, which makes the reduced run times a bit longer. Seems to be working OK for now. May 17, 2018 at 7:17 am #50026. OpenSprinkler › Forums › OpenSprinkler Mobile and Web App. This forum has 347 topics, 2,144 replies, and was last updated 1 day, 6 hours ago by Ray. Viewing 26 topics - 1 through 25 (of 347 total) 1 2 3 ...The application allows you to automatically detect and control your OpenSprinkler irrigation system(s). OpenSprinkler is an open-source Internet web …Question about “NEW from OpenSprinkler v3.2: from v3.2, the controller has dual support for WiFi and wired Ethernet.” which as far as I can see is related to 2.2.0(1)s update to ESP8266 WiFi Core 3.0.2 and lwip as wired Ethernet library. I’m using ethernet. After upgrading firmware I’m seeing the AP mode running even when the …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 ... 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 …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. Compilation instructions for OS (Arduino-based OpenSprinkler) 2.3 and 3.x: * Install VS Code * Launch VS Code, search and install the platformio extension. * Download and unzip the OpenSprinkler firmware repository, open the folder in VS Code, at the bottom of the screen, click PlatformIO:Build. 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. 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 User Manual F i r m w are 2. 1. 8 ( May 31, 2018) C o n t e n t s I n t ro d u c t i o n H a rd w a re I n t e r f a c e 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) The OpenSprinkler web interface allows you to program water schedules and monitor station status through the web. Compared to traditional sprinkler timers, which limit you to a few buttons, dials, and a small screen, the web provides a much more intuitive user interface. You can access the controller using any device that has a built-in web ... 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.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 ... 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.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 ... 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, …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?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.The application allows you to automatically detect and control your OpenSprinkler irrigation system (s). OpenSprinkler is an open-source Internet web-based sprinkler timer / …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.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). 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.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.OpenSprinkler would have to be mapped to an external IP with Duckdns or something similar. The external address and port would then be mapped to the skill along with the MD5 password. Because of the required mapping, this would never be a skill approvable by Amazon for publication.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. 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. Scan For Device. Manually Add Device.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.OpenSprinkler would have to be mapped to an external IP with Duckdns or something similar. The external address and port would then be mapped to the skill along with the MD5 password. Because of the required mapping, this would never be a skill approvable by Amazon for publication.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 …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 ...Keymaster. There are two ways: the first is to do it the ‘hardware’ way: you can insert two zone wires into the same port, and those two zones will always turn on or off together (they are parallel). The other way is what you’ve already experimented with, the ‘software’ way: you can set each zone as ‘parallel’ zone (uncheck the ... 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 ... 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.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 …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.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. 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.For Op e nS p r i nk l e r 2 . 3: plug in a wired Ethernet cable to OpenSprinkler's Ethernet jack, the other end to your router. If you prefer using WiFi connection, we recommend …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. 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 … OpenSprinkler: This instructable was published in 2015. I updated it JUL2021 to use latest build and newer hardware. OpenSprinkler Pi (OSPi) is an open-source sprinkler / irrigation extension board for the Raspberry Pi. It is an easy and low-cost solution to trans… 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 …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 would have to be mapped to an external IP with Duckdns or something similar. The external address and port would then be mapped to the skill along with the MD5 password. Because of the required mapping, this would never be a skill approvable by Amazon for publication.. Fly paris to new york
The first thing to check is at the homepage, swipe left to right (or click the upper-left corner icon) to open the left-side menu, then ‘System Diagnostics’. Look at two time stamps: the Last Weather Call and Last Successful Weather Call. If the Last Successful Weather Call time stamp lags behind the first one, or is simply not available ...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... 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.You must disable its DHCP-Server, if You have another Router (Your main Router) with DHCP active. The best and easyist way is disable DHCP on Your OS an give him a static IP adress: e.g. main router is 192.168.0.1 an OS should be 192.168.0.100 and HTTP-Port 80: OS settings. Enable DHCP: No.Mar 16, 2016 · Thanks in advance. Cheers. Tom. March 20, 2016 at 10:18 pm #41807. Ray. Keymaster. Yes, you will need a pump start relay (because a station on OpenSprinkler DC can only drive a load up to 1 amp max, if your pump requires 5 amp, you will need a relay). March 20, 2016 at 11:09 pm #41818. tom.farmer0.If our distributor is out of stock, you can also buy directly from this website (https://www.opensprinkler.com) — we ship directly to most countries in the world. Products. OpenSprinkler. Rated 5.00 out of 5 $ 150.00 – $ 193.00; OpenSprinkler Bee (OSBee) Rated 4.60 out of 5 $ 62.00 – $ 72.00; OpenSprinkler Pi (OSPi)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.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. 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. 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 ... 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.