I chose a Beaglebone Black controller for the current Arctostaphylos Cuttings project for two reasons. First, this board has analog inputs for the moisture and temperature sensors available without the need for any additional hardware. Second, I already had one laying on my desk not doing anything at all.
The Beaglebone advertises its native Node-Red interface on the welcome page. I had not used this framework before, but it looked interesting and simple enough. After a few minutes of playing around and getting familiar with how this framework actually works, I started stitching together a few nodes to create a watering system timer for this project.
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