Water your plants with a Raspberry Pi
Whether in an apartment, on a balcony, in a greenhouse, or in a garden, if you are not at home and want to water your plants remotely, an automated system is your only option. In this article, I show you how to harness the power of a Raspberry Pi Zero as a reliable helper to manage the watering system.
Design
Automatic irrigation is nothing new. These systems not only exist on a large scale in agriculture and horticulture but have also been available for many years for domestic use. Some providers attach their systems directly to the water supply. In this project, I'll instead draw water from a 200-liter tank reservoir with a supply that will last for a couple of dry days (Figure 1). The advantage of a tank is that you do not have to deal with a pressure line and you do not lose an uncontrolled amount of water in the event of an accident. The aim is to create a robust solution that you can tailor entirely to your own needs, thanks to the flexibility of the Raspberry Pi and your own hardware and software.
Figure 1: The control unit and supply line assembled on the 200-liter storage tank.
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