Arduino-Based Curtain Automation. jwz doing hardware, and of course – he publishes a how-to and code…

I built a controller so that I can open and close my curtains from the command line! My apartment has a 16′ wide floor-to-ceiling window, and a correspondingly-huge curtain. I wanted to put the curtain under software control so I could do things like, for example, have it automatically open in the morning to help me get out of bed.