GardenPi: Garden Care with Raspberry Pi #piday #raspberrypi @Raspberry_Pi

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Shawn Anderson posted this great project on Atomic Spin. He is using his pi to monitor his plants. Nice job!

Like any good “lazy programmer,” I’m always looking for ways to automate. This spring’s project: monitoring and watering my garden. I had a wifi-enabled Raspberry Pi laying around and decided to put it to good use. For this project I wanted to do better than just a glorified timer. The goal: An automated watering system that can use the weather forecast, soil, light, and temperature sensors to keep my garden looking great all summer.

I’ve written a simple script that wakes up at 10PM, determines the likelihood of rain, and waters accordingly. The script looks up the forecast using the Forecast.io API. If there is less than a 50% chance of rain, the GardenPi will water for a short duration.

Future phases (already underway) will include sensors for temperature, soil moisture, light, and humidity. Based on that information, the GardenPi will be able to make better watering decisions. The sensor data could be made available via an onboard website or mobile application. Better sensors, form factor, time lapse, and user interface are all things that I’ll be looking at for future versions.

I’ve learned a lot in the last few weeks from building this project — a little bit more about basic electronics, how to solder, how to draw up schematics, and the joy of building actual gizmos that serve a purpose. I’ve also learned that I’m not the only one doing this kind of project with the Raspberry Pi; I’ve included links to other projects at the end of this post.

Read the full tutorial here.


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