What to do once you have a sprinkler system installed on your property: buy a sprinkler control system or make your own? The latter, obviously. [danaman] was determined to hack together a cheap ...
Plus, like any other DIY watering system, the cost of making an olla depends on what materials you have on hand already. Ollas were first used more than 4,000 years ago in China and North Africa.
The clearly obvious solution was to make an automated watering system! The most interesting part of this build is the valve. Anyone could have bought an off-the-shelf solenoid valve, not ...