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Automated Irrigation Controller

Using a moisture sensor, an Arduino, and a valve we document how to create a simple, battery powered, irrigation controller.



Traveling sprinkler

A domestic lawn traveling sprinkler (Rain Train/Tractor) is converted to field work using a winch and a timer.



Wise Orchard: smart urban garden and orchard irrigation timer

Wise Orchard's Internet-connected irrigation valve automatically adjusts your plants' watering schedule so that they are always healthy and beautiful, using just the right amount of water by watching your local weather.



Water flow warning light

This small gadget uses the water flowing in a pipe or hose to generate electricity to light a small LED to warn that water is being used. We have had a few incidents of forgetting the tap on while it soaks the capillary matting and flooding the garden propagator. The light meant that one can see from a distance that water is flowing. Of course one can change the LED to a small flashing beacon, siren etc. The water generator generates 12v at 3.5w which powers the light. It is a small challenge to change the current to a suitable one for the LED. I managed to convert it using a small 3v voltage regulator and connecting it to a bicycle light. I would have liked it to flash but didn't manage it. I like this gadget because there is no need for sensors or sophisticated switches, it is the use of water which makes the warning light go on. I was also very happy to find these in-line electrical hydro generators. This is my first Farm Hack tool, so feel free to contact me if I am missing any information.



Horto domi- RobotGardener

An Open Hardware Raised Bed Gardening Platform with Web-Interface through Arduino.



Passive water pump

Wirtz pump, passive water pump. Paddle wheel pump on open water irrigation ditch fills elevated 500 gallon water tank which then gravity irrigates greenhouse.



Sub-irrigated raised planter

This concept is meant to provide consistent soil moisture levels to gardens with spotty or insufficient access to water. It take the idea of a sub-irrigated planter and applies it to an entire raised bed.