My Kratky tomato project, tracking a Kratky setup from start to finish
Fully passive, hydroponic setups are now everywhere. However, it seems no one has taken the time to diligently record how the nutrient solution changes through time in these setups and…
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Arduino hydroponics, how to build a sensor station with an online dashboard
In a previous post about Arduino hydroponics, I talked about some of the simplest projects you could build with Arduinos. We also talked about how you could steadily advance towards…
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Arduino hydroponics, how to go from simple to complex
Hydroponic systems offer a great opportunity for DIY electronics. In these systems, you can monitor many variables, gather a lot of data, and build automated control systems using this information.…
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Creating a pH/EC wireless sensing station for MyCodo using an Arduino MKR Wifi 1010
There are multiple open-source projects available online for the creation of pH/EC sensing stations for hydroponics. However, all of the ones I have found use a single Arduino or Raspberry…
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Calibrating a capacitive moisture/water content sensor for hydroponics
As I’ve mentioned multiple times in my blog, moisture sensing is one of the most important measurements in a hydroponic crop that uses a significant amount of media. It allows…
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Pros and cons of building your own sensor and data logging system in hydroponics
If you’ve read my blog before, you know how important data logging is to having a successful hydroponic crop. Data allows you to monitor and tune the different variables in…
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Hardware for building a wifi-connected DIY monitoring/control system for a hydroponic crop
Success in hydroponic systems can be increased by having adequate control over a wide array of different variables. Having automated monitoring and control will mean faster reaction times and provide…
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Building a DIY control infrastructure for a hydroponic crop: Part one
Controlling an entire hydroponic crop using electronics is not a trivial task. This includes everything from the automated control of things like relative humidity and ambient temperature, to other variables,…
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The best cheap sensor setup for relative humidity in hydroponic automation projects
I have written in the past about humidity in hydroponics, especially how accurately measuring humidity is hard due to problems with the sensors. In my experience during the past 5…
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Creating a robust pH/EC monitor for hydroponics using Atlas probes and an Arduino
A few months ago I talked about how you could build a simple sensor station for your hydroponic projects using an arduino (see here). However this small project used the…
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