I've been trying to put something together to act as an alarm indicator for quite some time and finally got around to doing it. Mine is based on a SparkFun Thing Dev and a multicolor LED. I have a couple of spots in my house where I can't easily run wires for a keypad, and these little guys ran...
To be honest, I would probably just use a Raspberry Pi with a USB serial dongle and http://www.conserver.com. It's what I use for my serial consoles on my network devices now, I just have a 4-port usb-to-serial cable hanging out of the back of one of my other systems in the network rack (not a...
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