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I'm researching a HA project, for which I need a vibration detector. I found 1 that might work, but need details.   It's the United Security Products 330. I found a spec sheet for it in a web store. (Their website doesn't even list it.)   I want to integrate it into my z-wave HA system (by...

I'm researching the concept of streaming audio to my stereo. (Yes, just audio.) My system doesn't have Bluetooth or LAN connectivity. Looking for Bluetooth adapters, I found some that also have LAN. What, exactly, can I do with a LAN adapter? I read that they can stream e.g. Pandora. But, can...

I've searched the web several times (using various phrases) for a device to monitor my water softener's salt level and feed the data to a HA system. I found a few projects -- but none work with HA. One was on this site --...

I have a pair of dbx Soundfield V speakers. The owner's manual states that the "Recommended amplifier power" is 20 - 250 watts / channel. But, it doesn't state RMS or peak. So, which would it be?

Does a '.2' surround system have to use matching subwoofers? Or, can they be different sizes (and, thus, different ranges)? I'm thinking of replacing my 7.1 (I have a small room for my HT, so I think it's overkill), and going back to a 5.something. I really like the low end (whether for movies...

Hello! OK, I just registered. I have some questions now, and I'm sure I'll have more as I build my system. I love anything technical (hobby electronics, computer programming, etc.) and scientific. And, I love to do projects for my house (plumbing, electrical, landscape, etc.) So, I really love...