On 28 Feb 2018 at 22:58, Harold Hallikainen wrote:

> I have an application where I'd like to have a device know if it is in
> this room or that room. I'm thinking of putting a BLE beacon in each room
> and use RSSI to figure out which one the receiver is closer to. It SEEMS
> like there would be a standard device about the size of a large coin cell
> that would transmit its ID every now and then (once every minute or two
> would work for this application) and have a battery life of about 10
> years.

If you go AliExpress and search for BLE beacon, or iBeacon, you'll find ple=
nty in all=20
shapes and sizes. I did a little research for a project that never eventuat=
ed, though=20
didn't purchase any modules for it... used an android app to make my phone =
a=20
beacon and another free app on a tablet to detect the beacon.

--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.