Garduino: Gardening + Arduino

Arduino Energy & Sustainability Gardening
Garduino: Gardening + Arduino

I just published my Instructable on getting my Arduino to take care of my plants. Specifically, Garduino waters the plants when their soil resistance level drops too low and turns on supplemental lighting to make total light daily equal 16 hours regardless of outside conditions. It’s not pretty, but it works!

Other than de-uglification, let me know what other improvements I should make and if you make your own, better version!

4 thoughts on “Garduino: Gardening + Arduino

  1. Tim says:

    Very cool. I have been looking at doing something like this for my expanding back patio garden.


    As far as suggestions, how about some way to monitor the temp in your greenhouse and turn on a supplemental heater to keep the temp up during the early spring?

  2. Apis says:

    Nice, I’ve also been planing on doing something similar although I’m in a state of general analysis paralysis (and lack of money).

    One improvement would be to make the moisture sensor use alternating current. You could simply switch the polarity between every measurement. This to prevent electrolysis since that would do weird chemistry with your soil and corrode the electrodes (affecting the calibration of the electrodes). Might not be a big problem though.

    It would be interesting to hear how it works!

  3. Marc Pérez says:

    Is it possible to measure the EC and programm the Arduino to add some fertilizer with a pump into the nutrient tank, or to do that woth the pH?

Comments are closed.

Discuss this article with the rest of the community on our Discord server!
Luke Iseman

Luke Iseman makes stuff, some of which works. He invites you to drive a bike for a living (, stop killing your garden (, and live in an off-grid shipping container (

View more articles by Luke Iseman


Maker Faire Bay Area 2023 - Mare Island, CA

Escape to an island of imagination + innovation as Maker Faire Bay Area returns for its 15th iteration!

Buy Tickets today! SAVE 15% and lock-in your preferred date(s).