Raspberry Pi Plant Watering (& Time Lapse)

Raspberry Pi Plant Watering (& Time Lapse)

Raspberry Pi Zero plant watering system using a resistive moisture sensor, solenoid valve and relay HAT. And there’s also a camera for recording a time lapse movie of the plants growing!

You can download the code used in the video from this page:
https://www.explainingcomputers.com/pi_watering.html

My previous “Raspberry Pi Battery Power” video is here:
https://www.youtube.com/watch?v=lPyDtuzYE5s

And the video where I first use the relay HAT is here:
https://www.youtube.com/watch?v=bOGltcgiXiU

The moisture sensor I used is here:
https://thepihut.com/products/soil-moisture-sensor

The FPD-270A solenoid valve I used is here:
https://www.amazon.co.uk/dp/B07RX1KRG1/ref=nosim?tag=explainin-21 (affiliate link).
But the price has increased, and a cheaper equivalent is here:
https://www.amazon.co.uk/dp/B07PDLLCZF/ref=nosim?tag=explainin-21 (affiliate link).
And an alternative on Amazon.com is here: https://amzn.to/3xKxgjF (affiliate link).

Note that different FPD-270A valves have different diameter inlets and outlets, so make sure you know what you are getting and what pipe will be required! :)

The two-relay Pi Zero relay HAT I showed in the video is here:
https://www.amazon.co.uk/dp/B084ZLMVPX/ref=nosim?tag=explainin-21 (affiliate link).

The three-relay HAT I actually used is no longer available in the UK, but is listed on Amazon.com here: https://amzn.to/2TgHKrZ (affiliate link).

More videos on SBCs and broader computing and related topics can be found at:
http://www.youtube.com/explainingcomputers

You may also like my ExplainingTheFuture channel at: http://www.youtube.com/explainingthefuture

Chapters:
00:00 Introduction
00:35 Hardware
04:26 Moisture sensor test
06:56 Solenoid valve test
09:18 A Cunning Plan
10:50 Test System
18:24 In the Wild
20:38 Biology in Action
20:59 Wrap

Raspberry PiRaspberry Pi Zerowatering system

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