[time-nuts] Toy Radiolocation

Hendrik Dietrich don_hendi at gmx.de
Tue May 27 17:32:33 UTC 2014

Have a look at Bluetooth low energy. I am working with some nice Modules 
from Bluegiga (BLE112), they just announced a long-range version.
Although they are already very conservative with power and will run for 
a while even with a button cell, a mercury switch (sorry)  could trigger 
them upon movement. You might be able to read a relative signal strength 
(RSSI), but dont expect it to be good.


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