I have a need to monitor a couple of APC UPS' that are supplying power for my Home Theater system.  I currently don't have a computer close by but want to monitor those UPS'... A Raspberry Pi and NUT to the rescue.  It seems like a perfect match.

OpenHAB is a great application that allows you to create a Smart Home.  It connects with almost any smart device.  This article assumes you already have OpenHAB installed on your Raspberry Pi 2 and are looking at installing the systeminfo binding to monitor some local stats on your server.

While I was working on a new project (an Internet Radio and Airplay server) with my Raspberry Pi I ran into an interesting sound issue.  My original development on the project was done using the built in audio from the headphone jack and all was great except that the Raspberry Pi doesn't produce the best quality analog audio.  I wanted something better so I ordered a Ti PCM2704 USB DAC card.  The card was very cheap but should produce better sound than I was getting from the Raspberry Pi's headphone jack.  My new DAC card arrived and I plugged it into my project.

While working on one of my projects with the Raspberry Pu I soon came to relize that I would need some kind of wireless keyboard.  I dug up a bluetooth keyboard that I was using for some other projects and started to play with it trying to get it working on my Pi. The Pi I am connecting it to is running Raspberian Weezy, here is my information on how I managed to get it running.