Perl powered home automation
I recently got my first raspberry pi, and have been hacking… 🙂
If you haven’t heard of “The Pi”, it’s a credit card sized computer with a 700MHz ARM processor, 256MB RAM, USB, HDMI, Network, … and a load of GPIO output pins. Happily, someone has already written a perl interface to the GPIO pins, and so now for the first time I can quickly and easily do hardware hacking with perl.
There are already a few operating systems ported to the Pi, but the most popular is Raspbian – a Debian variant customised for the Pi. With a bit of hardware hacking (optocouplers to isolate a 12V circuit from the 3.3V one, and a 3V to 12V voltage converter), I was able to make an interface between the Pi, and a household plug socket remote control (about 9.90EUR at most hardware stores).
Here’s the result:
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