PDA Controlled Water Sprinkler
Wednesday, April 01, 2009, by Sebastian Dwornik

Spring is finally here.

This means that the outdoor garden and lawn will soon be vying for my attention.  This time though, with the help of some DIY home automation, I intend to give it the best care I can.

Bluebox internals

You might remember this past winter how I managed to get my PDA controlled Christmas tree lights working.  That same design will now be applied to my water sprinkler.
PDA controlled water sprinkler using PocketCRON and PocketDAQ Pro

There is a difference though.

Christmas tree lights are mainly for decorative reasons.  Watering my lawn and garden carries a more important responsibility, for they are living things and I greatly enjoy the green scenery of a lush outdoor forest, versus a dry desert.  It is, therefore imperative that the watering schedule be more adaptive to the season.

This is where PocketCRON comes in again.  A new feature recently added supports sunrise and sunset timing.  The plan is to have my yard automatically watered every morning at ten (10) minutes before sunrise.

PocketCRON screenshots

The sunrise/sunset feature depends on where you are located on the planet.  Selecting the nearest city to your location informs PocketCRON of this.  After which the task time settings can accurately display the sunrise and sunset times.  It also takes into consideration Daylight Savings Time.

Time will tell, but I expect my lawn and garden to be nothing short of brilliant green and healthy during this summer season.  Which is great for nature, but not so for my push lawn mower.

Here are the sample scripts I use with PocketDAQ Pro, in automation mode, that PocketCRON calls in its tasks.


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My name is Sebastian Dwornik and I am an entrepreneur located near Toronto, Canada.

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