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Many buildings have IR sensors already installed for burglar alarms / fire detection. If you can get a read-only feed from that system you may be able to piggyback. Of course, these kinds of sensors are tripped by staff making regular rounds of all spaces and similar non-patron activity. cheers stuart On 16/08/13 06:33, Brian Feifarek wrote: > Motion sensors might be the ticket. For example, https://www.sparkfun.com/products/8630 > > Brian > ----- Original Message ----- > From: "Andreas Orphanides" <[log in to unmask]> > To: [log in to unmask] > Sent: Thursday, August 15, 2013 11:12:02 AM > Subject: Re: [CODE4LIB] Way to record usage of tables/rooms/chairs in Library > > Oh, that's a much better idea than light sensors. One challenge with that > might be difficulty in determining what "vacant" looks like > authoritatively, especially if people move chairs, walk through room, etc. > But much more accessible than actually bolting stuff to the table, I would > think. > > On Thu, Aug 15, 2013 at 1:03 PM, Schwartz, Raymond <[log in to unmask]>wrote: > >> Hey Dre, Perhaps a video camera with some OpenCV? >> >> -----Original Message----- >> From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of >> Andreas Orphanides >> Sent: Thursday, August 15, 2013 8:55 AM >> To: [log in to unmask] >> Subject: Re: [CODE4LIB] Way to record usage of tables/rooms/chairs in >> Library >> >> If I were feeling really ambitious -- and fair warning, I'm a big believer >> that any solution worth engineering is worth over-engineering -- I'd come >> up with something involving light sensors (a la a gate counter) mounted on >> the table legs, just above seat height. Throw in some something something >> Arduino or Raspberry Pi, and Bob's your uncle. >> >> I find myself more intimidated by the practicality of maintaining such a >> system (batteries, cord management etc) than about the practicality of this >> implementation, actually. >> >> -dre. >> >> On Wed, Aug 14, 2013 at 7:59 PM, Thomas Misilo <[log in to unmask]> wrote: >> >>> Hi, >>> >>> I was wondering if anyone has been asked before to come up with a way >>> to record usage of tables. >>> >>> The ideal solution would be a web app, that we can create floor plans >>> with where all the tables/chairs are and select the "reporting time", >>> say 9PM at night. Go around the library and select all the >>> seats/tables/rooms that are currently being used/occupied for >> statistical data. >>> >>> We would be wanting to go around probably multiple times a day. >>> >>> The current solution I have seen is a pen and paper task, and then >>> someone will have to manually put the data into a spreadsheet for >> analysis. >>> >>> Thanks! >>> >>> Tom >>> >> > -- Stuart Yeates Library Technology Services http://www.victoria.ac.nz/library/