 | | Re: BlueTooth bad, Zigbee good —Ralph Hempel
| | | | (...) Anytime you have something listening for signals to wake up on, it will consume power. Even at 5 or 10 mA, you'll run through a standard AA battery pretty quickly - never mind coin cells. (...) When it came out, it was pretty cutting edge - in (...) (19 years ago, 1-Jun-05, to lugnet.robotics)
| | | | | | | | | | Re: wireless sensors, and battery life: time synch —Bruce Boyes
| | | | | (...) Yes -- and this is exactly Zigbee's target. BT was originally aimed at PC, PDA, peripheral communication, and it could have done well at that. Now I think it is eclipsed by the low cost and 10-100X better speed of 801.11b/g. Zigbee has from (...) (19 years ago, 2-Jun-05, to lugnet.robotics)
| | | | | | | | | | | | Re: wireless sensors, and battery life: time synch —Paul Kleniewski
| | | | | "Bruce Boyes" <lego-robotics@crynwr.com> wrote in message news:6.2.1.2.2.20050...ion.com... (...) maybe it should be done in the same way as rfid id cards let's say when controler wants to wake the sensor up it sends the signal and the sensor (all (...) (19 years ago, 11-Jun-05, to lugnet.robotics)
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