I’ve tried using the existing presence/occupancy modules, but gave up as I couldn’t make it work ideally for me. Also, I do want that part to work someday, I am less concerned where someone is in the house at the moment—more if they are at home or not.
Thanks for the links.
From: Kevin Robert Keegan [mailto:firstname.lastname@example.org]
Sent: Friday, July 25, 2014 2:16 PM
To: Timothy Spaulding
Cc: The main list for the MisterHouse home automation program
Subject: Re: [mh] presence/occupancy: what person is home
So the Presence_Monitor Occupancy_Monitor modules:
Do some of the code work. I do find them rather complicated and don't use them, but apparently you can get them to work for you.
On the hardware side I have thought about a lot of things.
Bluetooth - seems to make sense since most people in the house carry their phone with them everywhere. I figure I would need a couple receivers, in theory at least 4 to triangulate where people are based on the signal strengths at each of the receivers. But due to the oddities of wireless and walls, I figure I might need more. Obviously this gets expensive, so I was thinking about raspberry pi's, but that is still rather expensive. I also worry about battery drain on the phone.
Microphones - Wink/Quirky has a presence detection device that uses, among other things, a microphone to calculate a loudness over time. It seems cheaper, less complicated, and less battery intensive. Although I suspect it is far less accurate.
Thermal - Cost and programming aside, this seems like the best solution. It would actually "see" people in a room. But we are talking something like $50 just for a thermal sensor. http://www.digikey.com/product-highlights/us/en/omron-d6t-thermal-sensor/2745 Although it does look cool https://www.youtube.com/watch?v=_2m4PmZRx-U
On Fri, Jul 25, 2014 at 10:11 AM, Timothy Spaulding <email@example.com> wrote:
Does anyone do anything with regards to knowing what person is at home and handling different lights/objects accordingly?
Oh, did I mentioned reliably?
A while back, I attempted something with Bluetooth; but this didn’t work once the phone went upstairs and/or out of range in some other fashion.
I like the idea of RFID chip in a wallet/bag, but haven’t found anything I can wrap my head around yet.
Other ideas and approaches would be most welcome.
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