In this post, I will show you how to build an automated irrigation system using a Raspberry PI. It waters my garden automatically every 24 hours. And I can even control it over the web for on-demand watering. I will walk you through the three main components of this system: the plumbing, wiring the Raspberry PI and programming it. I live in an apartment complex and like any average apartment dweller, I and my wife have built ourselves a little balcony garden. But, the flip side to keeping plants is that your travel plans are affected.
In the past, we have tried more traditional options, with varying levels of success. Sure, you can leave a key with a helpful neighbor, but that might not be an option for everybody.
We recently moved to a new house and did not have anyone to rely on, when we decided to go on a week-long holiday. In all the planning leading up the to trip, we almost forgot about this problem. About a week before the trip, we realized that we had no backup this time around.
So I decided to do something about it. We have about 10 large potted plants and 5 small ones. I wanted all of them to survive our week-long trip.
I dived right into scoping the problem and designing a system to solve it.Receding hairline teenager
The idea was to have a Raspberry PI control a relay board which could in-turn control a submersible AC water pump. There can be innumerable ways to solve a problem. I chose my design based mostly on what I already had available in my parts bin.
I have included Amazon links here to buy these items:. I moved the 5 small indoor plants to the balcony to easy up plumbing. My initial thought was to hang a small plastic container from the ceiling and run drip pipes from it to each of the pots. To control the amount of water that flows through each drip pipe, they could be attached at different heights in the container.
This would look something like below:. So, I decided on a different approach: Running a 1-inch PVC pipe around the balcony rails, fitted permanently, and connecting the smaller drip pipes directly to it. This eliminated the need to have anything hanging from the ceiling, which guarantees a big improvement in the overall look and the WAF. With the plumbing plan finalized, I took measurements of my balcony and noted everything down. This is what the new arrangement looks like:.
I bought the necessary supplies as listed above and quickly fitted everything. Having a few tools helped. I cut the pipes to size using a handsaw and drilled the holes required for drip pipes.
I attached the PVC pipe to the balcony using zip ties. So, I was planning to use that to implement the brains of this system. All I needed now was to wire up the Pi with the Relay and think of how I am going to power both.
I came up with a simple circuit as shown below:.Subscribe to our newsletter and get 11 free network administrator tools, plus a 30 page user guide so you can get the most out of them. Click Here to get your free tools. I decided to take some time off this week to work around the house and finish things I have neglected at home. We have one area of our yard that has underground sprinklers, but they need to be manually turned on.
This is because it is difficult to get a wire to the controller — it would require a significant amount of drilling through brick and concrete.Standalone license aspen plus 10
I keep forgetting to water this part, and all the plants start to wilt — I wanted it automatic like the rest of the yard. I could have purchased one of these …a simple timer based valve:. I had a Raspberry pi sitting around I bought one a few months back to play with. I knew there had to be a way to use it in this project.
The PI is a small computer about the size of a pack of cigarettes. It runs Linux, and you can even hook it up to a keyboard, mouse, monitor and use it as a desktop computer.
I thought it would be a fun little project to sharpen up my Linux chops, and do something geeky over my vacation. Somehow I was going to put that Raspberry Pi in my yard, and have it control my sprinklers. Luckily there is a outdoor power outlet right near the sprinkler valve. This would be a perfect place to put it. My first worry was how I could keep the rain out.
I dug through my basement and found a outdoor network control box from my contracting days:. Then I took some standoffs from an old computer case, and screwed them at the right positions for the Raspberry PI board:.
Next step. The sprinkler valves use 24VAC and a relay would be a perfect fit for this. I found a relay board on Amazon that is made for the PI:. Now I had to hook it up to my Raspberry PI. After some messing around with my wiring I finally got it to work. I could hear the relay clicking when I switched it on and off.
Raspberry Pi Irrigation Controller
Hmm…but now I had a problem.Gardening improves health and quality of life, connecting us to our local environment.
Plus, you can eat organic fruits and veggies at very little cost. Yet for all these fantastic benefits, remembering to water can still take a backseat to our busy lives. Fortunately, home automation is easier than ever with inexpensive and accessible microcontrollers like the Raspberry Pi and Arduino. This tutorial details the construction process for a remotely controlled solenoid irrigation valve.Adams driveshaft jl
In other words, a home computer controls the water flow of an outdoor hose spigot, or bib. Cheaper parts can be found with patience and creativity. The design is intended as a simple introduction to building a complete, personalized home irrigation system. It is also intended to encourage simple DIY solutions to everyday problems. Make modifications and upgrades to suit your needs, resources, and skill level.
To conserve water, include drip irrigation and a soil moisture sensor. Note: This project involves high voltage which requires extreme caution. Always check power connections before touching exposed wires. An AC solenoid valve turns water on when voltage is applied, and turns it off when the power is off.
The drawback is that it uses AC voltage, requiring an adapter to convert the wall voltage, VAC, into the 24 VAC voltage needed to trigger the valve. Outdoor Installation likely requires an extension cord. A DC solenoid valve allows for a battery powered system. However, most DC irrigation valves are latching solenoids and require switching the valve lead polarity to turn water on and off. I chose an AC valve for the first prototype because I already had a few parts.
I used a leftover Waterproof Project Case wrapped with waterproof tape. With small containers, be sure exposed AC connections are completely covered in epoxy to protect the RPi.See for yourself just how easy OpenSprinkler is to use use 'opendoor' for the password. The two opensprinkler units I have are in use on the farm. One for the house and one for the crop drippers, sprinklers, misters, pond fill and barn hanging baskets.
Sprinkler system controlled by a Raspberry Pi
I will likely also use it for outdoor lighting. I tell absolutely everyone about the product and I would be happy for you to tell everyone we solidly support your company Sorry, I get over enthusiastic about it. We have new lines being added all the time and are nowhere near outgrowing the system. We will ship your order right away. Worried about the technical expertise needed to replace your outdated controller with OpenSprinkler?
Installation is a breeze and we'll walk you through it with video tutorials. All you'll need are screwdrivers and about half an hour of time. That's it! OpenSprinkler Demo See for yourself just how easy OpenSprinkler is to use use 'opendoor' for the password. Automate and Access Sprinklers from Anywhere Keeping your lawn and flowers beautiful doesn't have to be stressful. OpenSprinkler unchains you from your sprinkler or irrigation control box, enabling you to program, run, or stop zones at any time from anywhere.
How-To: Make a Raspberry PI Based DIY Automated Irrigation System
How many custom programs do you need? One for everything? How about a different program for each day or each zone? With OpenSprinkler you can create a wide array of independent programs with custom start times to fit your need. You can visualize programs using the preview feature, and check station runs through graphical plots of the logging data.
OpenSprinkler started out as a hobby kit for makers and software developers.
We continue supporting those communities with our Raspberry Pi version. Our smart sprinkler controller is ready to ship to you immediately.It allows RPi to directly access and control sprinkler valves.
It comes with a set of laser cut acrylic enclosure.Cosmetic sachets
NOTE : — Package includes laser cut acrylic enclosure as shown in the picture. In other words, it is a circuit board that allows an RPi to directly interface with sprinkler valves. This is an awesome kit! Everything is included. It is very well designed. I was able to get it working with Google calendar and Weather Underground. I have 8 zones and it works flawlessly.
This is the best Pi project yet! Cameron — September 12, Now it runs our sprinklers too, and it will soon feed the fish.
I only wish I could find a 24V transformer as efficient as modern DC wall bricks. Very old and simple. Rick — October 21, Was able to setup and configure the RPi before I received the opensprinkler unit. Then once it arrived I was ready to install the RPi and secure everything in the opensprinkler case.
I modified the Hunter exterior case from my previous controller and the OSRPi and 24v transformer fit in with minimal modification. I live in Phoenix, AZ and I was worried about the heat in the sealed enclosure but it has been running solid since I installed it and the RPi peaks at around 80c during the hottest part of the day.
Ray, make us a project!!GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Work fast with our official CLI. Learn more. If nothing happens, download GitHub Desktop and try again.Complete Guide Sprinkler System MQTT OpenHAB ESP8266 : Demo
If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. Sprinklers Pi is a sophisticated Irrigation control system for the Raspberry Pi. The system contains a built in mobile web page server that can be used to configure and monitor the system status from anywhere. By default, we now ship with no weather provider enabled, and therefore no adjustment performed.
Follow the directions below to enable a weather provider. If you change weather providers be sure to run "make clean" before rebuilding. It works on Linux devices including raspberry pi. Location must be without the quotes :.
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Skip to content. Dismiss Join GitHub today GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together.
Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit. Git stats commits.Every spring my wife gets really ambitious and plants a big vegetable garden. As the summer drags on, ambition turns to laziness and unfortunately many of the plants die a slow, withering death from neglect due to lack of weeding and watering except for the tomato plants, which grow like mutants in our climate even if you neglect them You can buy all sorts of fancy programmable hoseirrigationand water timers not sure about the difference between those three terms, but that's how Lowe's has them listed if you want to automatically water your garden.
But, in the true spirit of Instructables A quick search on Instructables shows that I'm not the first one to do thisbut I think my project will take a unique approach. I really didn't want to deal with calibrating or cleaning a soil moisture sensor.
I also don't care about being super picky about maintaining an optimal soil moisture level. The bar is set pretty low here - I just want to keep the plants alive. If we're watering the plants by hand, we roughly follow a rule of "Did it rain yesterday? If not, water the plants. Use a weather API to answer "did it rain yesterday?Infp weirdos
That's what this Instructable will show you how to do, including the electronics, programming, and plumbing. The advantage of this approach is that it's flexible and easy to expand - for example, if I want to decide how long to water based on how much it rained, water based on the future forecast, or water in multiple short intervals throughout the day, that just requires changing a few lines of code.
Please note that this is not a "how to use a Raspberry Pi" Instructable. If this is your very first time using a Raspberry Pi, there are a TON of getting started with Raspberry Pi projects out there - please check those out first if you need answers to things like "how do I install the OS?
I got most of the parts for this project at SparkFun, Jameco, and Lowe's. I'll do my best to link the exact parts I used, but you can make reasonable substitutions and it should still work e. Note that the exact quantity of piping and types of adapters you need will depend on things like the size of your garden and whether you also want to have a regular hose connected, so you will need to take some measurements and plan your layout before you make a trip to the hardware store see next step.
Update : thanks to many people on RedditHackadayand in the comments here for feedback on the electronics and plumbing.Chapter 10 biology test answers
The biggest point seems to be that my original circuit was missing a flyback diode across the relay coil, so I've updated the instructions to include that.
If you have questions or advice on any of those points, please leave a comment. Confused about how all those parts fit together after reading the materials list? Here's an exploded diagram of the entire plumbing system more details on the electronics in a later step.
The exact dimensions and orientations will depend on the layout of your garden and relative location of the hose faucet.
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