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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.
![Passive water pump](https://farmhack.org/sites/default/files/cappieswaterpump.png)
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.
![Horto domi- RobotGardener](https://farmhack.org/sites/default/files/Hortodomi%20RobotGardener%20Body_0.jpg)
Horto domi- RobotGardener
An Open Hardware Raised Bed Gardening Platform with Web-Interface through Arduino.
![Drip Line Installation Tool for Between Mature Crops](https://farmhack.org/sites/default/files/DSC_0620_0.jpg)
Drip Line Installation Tool for Between Mature Crops
Installing drip line late is a big pain in the butt and damaging to the plants, but it doesn't have to be. This ridiculously simple tool can be build with wood and bits that you have laying around your house or barn in a very short time. Once complete you will be able to install the drip line perfectly in place as fast as you can walk. All you do is attach the drip line to the back of the tool and roll it through the row causing little or no damage to your crop.
![Water flow warning light](https://farmhack.org/sites/default/files/IMG_20150412_150535676.jpg)
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.
![Wise Orchard: smart urban garden and orchard irrigation timer](https://farmhack.org/sites/default/files/wo-eBay-wo4-n-phone%20copy_0.jpg)
Wise Orchard: smart urban garden and orchard irrigation timer
http://wiseorchard.com 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. You can install it in minutes, attaching it to your tap and hose to easily control and monitor your garden from your smartphone. You bring the hose, it does the rest. Wise Orchard pulls local weather data automatically from multiple weather forecast services and thousands of weather stations in order to create and adjust your personalized watering plan in real time. That, together with the information you provide on your plants and soil, helps it determine your watering needs in order to adjust the schedule automatically and provide you with tips on how to better take care of your plants.
Traveling sprinkler
A domestic lawn traveling sprinkler (Rain Train/Tractor) is converted to field work using a winch and a timer.
![Automated Irrigation Controller](https://farmhack.org/sites/default/files/day-2-watering-setup.jpg)
Automated Irrigation Controller
Using a moisture sensor, an Arduino, and a valve we document how to create a simple, battery powered, irrigation controller. Further info (including code) can be found in our [GitHub project](https://github.com/foss-wales/farmhack-watering-system)