Thank you very much for your response. The challenge would be great and my uncle is an electrical engineer, but he's swamped with work (self employed working 12 hours a day) and most likely would not have the time to help me. If It was a few months ago I would slowly learn but its June 6th already and growing season is now, and my plants are all in small pots ready to be transplanted into way bigger pots. I'll end up buying one of those units you linked, thank you so much.wh7qq wrote: ↑Thu Jun 07, 2018 2:07 amYou can purchase battery powered timed valves with hose connections for about the same or much less money as you would have to invest in an RPi/valve/power supply system: https://www.amazon.com/dp/B004INGS8S/re ... =UTF8&th=1. If you have a big hardware store handy, like Home Depot or Lowes, they have the stuff as well. Any good hardware store or garden shop should have it.
Not to discourage you if you really want to learn about computers and wiring things electrical but at your current level of skill, the project you describe may be beyond your means. What you want to do is easily done but requires an RPi or other low power micro-controller, power, uSD card, valve relay(s) and valves plus another computer (or keyboard, mouse and monitor for the RPi) and the knowledge to schedule the RPi to run it all. On the other hand, by all means, get your hands and mind dirty and learn it!
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