Lettuce plants growing from openings in a horizontal PVC pipe under neon pink lights

5 Hydroponic Systems With Raspberry Pi and Arduino

Hydroponics is an thrilling area of horticulture that permits you to develop vegetation with out filth. However when changing soil with a water system and liquid vitamins, it could possibly get a little bit difficult making an attempt work out what the proper stability is to keep up wholesome vegetation.

That is the place utilizing a microcontroller can actually enhance the system. With an Arduino, Raspberry Pi, or each, you possibly can automate your hydroponic system to do many of the heavy be just right for you.

1. Modular Arduino Hydroponic System


A screenshot showing the 3D rendered digital model of a hydroponics with six horizontal PVC pipes

This hydroponic system was constructed as a part of a college undertaking and contains a modular and open supply design. Programmed utilizing an Arduino Mega, it could possibly automate the lighting, water cycles and the nutrient feeding. If that is not sufficient, this method can even provide help to to measure and document knowledge in order that you already know precisely when your vegetation want care.

You possibly can check out the schematics on Instructables to get an in-depth overview of how this method is constructed. Basically, it consists of a number of PVC pipes fitted to an aluminum body, with every pipe drilled to suit a pot. A relentless movement of water is cycled by way of the system so as to add oxygen, and a modified fish feeder is used to launch vitamins to the vegetation.

Alongside quite a few sensors to assist measure the vegetation’ standing, it could possibly additionally ship the info to an internet server through Wi-Fi. It is a well-thought-out Arduino hydroponic undertaking, and nice for scaling up or down relying in your wants.

2. Arduino and Raspberry Pi Vertical Hydroponics

Many hydroponic techniques use PVC pipes, and on this undertaking they’re organized vertically as a substitute of horizontally. The undertaking is well movable (no filth, no mess), so the entire system may even be introduced inside throughout the winter and lit up with LEDs. Particulars about this undertaking might be discovered on Instructables, together with how totally different controls are cut up throughout a number of Arduino boards.

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When you’re in search of one other board so as to add to your undertaking, you can begin by exploring the several types of Arduino microcontrollers to get a deal with on what’s on the market.

Nicknamed ClimateBot, PharmaBot, and HydroBot, the Arduinos used on this undertaking management totally different elements reminiscent of lighting, temperature, water cycles, and nutrient launch. So as to coordinate all this data, the Arduinos talk with a Raspberry Pi.

In a custom-built app, you possibly can work together with the Raspberry Pi to view, retailer, or management the info. As well as, if one thing goes unsuitable with the system, a notification will likely be despatched to you.

3. The Final Automated Hydroponic System With Raspberry Pi

With a Raspberry Pi, you’ve gotten the power to create a completely automated hydroponic system that may do something you would probably need. For Kylie Gabriel, the maker behind this undertaking, that features a DIY hydroponic system that has reside video digital camera footage.

To dig into the undertaking recordsdata, you possibly can go to Kyle Gabriel’s website. Whereas the hydroponic system is far the identical as others, constructed with PVC pipes, it is his custom-built open-source software program referred to as Mycodo that actually stands out. You possibly can entry the Raspberry Pi utilizing this software program, and construct a visible interface for all of your sensors utilizing widgets.

The custom-built software program offers you even better management over your hydroponic system, together with with the ability to regulate timing schedules and feed portions. It is a good undertaking that may do lots when you’ve bought the time to spend money on the construct.

4. Small Arduino Hydroponic Prototype


A table with three tin can pot plans with an arduino powering a watering system made from straws and 3D printed parts

Hydroponic techniques is usually a large enterprise; for one thing a bit smaller, this undertaking is likely to be higher. Detailed on Instructables, it’s designed to feed just a few small pot vegetation, which is nice when you reside in an residence and do not have loads of area. It additionally makes use of a lot smaller elements that will not require digital instruments or PVC pipes.

You will not want a water pump right here: as a substitute, the watering system is constructed from a plastic water bottle and a few straws. Whereas the creator factors out it is undoubtedly a work-in-progress, it nonetheless makes for an awesome little starter undertaking to get you enthusiastic about hydroponics.

To tie all of it collectively, just a few 3D printed elements are designed to attach the straw pipes. 3D modeling is a enjoyable and sensible talent to get into, so when you’re excited by studying extra in regards to the course of, right here is our choose for one of the best 3D printing programs.

Moreover, you will have an Arduino to manage the movement of water through an actuator, and a wall timer for the LED lights. Total, it is a pretty easy concept that will work nice as a miniature hydroponics prototype for later designs.

5. Automated Hydroponics With Raspberry Pi, Arduino, and House Assistant

DIY hydroponic techniques might be loads of enjoyable to customise. If some massive tasks appear daunting, simply keep in mind that you need not construct your entire system. As an alternative, you need to use it as inspiration for the sort of capabilities you need to incorporate into your design.

This undertaking is very good when you want extra concepts to your personal hydroponic setup. At its coronary heart it makes use of an Arduino and varied sensors to measure water, vitamins, humidity, and extra. All the knowledge is then despatched to a Raspberry Pi which is linked to a free dwelling automation software program referred to as House Assistant, permitting you to visualise your whole knowledge. Try our House Assistant set up information.

Some superior options of this undertaking embrace remote-controlled magnets to stir the nutrient liquid, and moisture sensors that can provide you with a warning if there may be water leaking from the system. This design has a ton of issues occurring within the electronics, which is ideal when you’re in search of some methods to improve your personal hydroponic design.

Gardening With Raspberry Pi and Arduino

Constructing your personal automated DIY hydroponic system will little doubt prevent cash when put next with business merchandise. However what’s even higher is having full management over the dimensions, perform, and design of your system.


There isn’t any doubt that hydroponics and electronics are a pure match, and one in every of these tasks will be sure you get you impressed.


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