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from Lifehacker

Build an Automatic Plant Watering System from Plastic Bags and Thread

jjdebenedictis "...came up with the following dirt-cheap, easy, and fairly leak-proof solution: You just need resealable plastic bag full of water with a wick in it to pull the water out at steady rate."

from Instructables.com

Indoor Automatic Plant Watering System

Air from a small fish tank air pump travels through a tube, into a jar. The pressure forces water through another tube, into your plant's pot. Simple & genius!

from eHow

How to Make a One Dollar Plant Watering System

These watering spikes from master craft are an economical way to create your own watering system for your potted plants. Simply fill a ...

Automated Plant Watering System - The Automatic Plant Watering system from Hammacher Schlemmer will water up to 20 plants for up to 40 days without the need for external power or water thanks to a built-in reservoir and the use of a single 9-volt battery. The dripper hoses are placed in each plant and then attached to a 32-foot master hose that connects to the watering system itself. (Image courtesy Hammacher Schlemmer)

This is a video documenting the beginnings of my project to make an Arduino controlled plant watering system that will utilize some cheap and readily availab...

from Gadgetify

Daisy.si - Smart Plant Watering System (Smartphone/Tablet Support)