Quote:
Originally Posted by knc1
I suggested Zigbee because of its low power consumption.
Bluetooth is notoriously a power hog.
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I would focus on Bluetooth Low Energy, which should be comparable if not better according to
http://research.microsoft.com/pubs/1...onsumption.pdf. For the use case at hand, the differences between ZigBee and BLE should not be that relevant. For BLE, you get the very popular (and cheap) nrf51822 with everything baked in. There are several modules using that for easy integration, too, so this looks very promising for this kind of application. However programming it seems to be more involved, hence my focus on the ESP8266 for now (which you can easily flash with NodeMCU and then simply program it in LUA). But maybe I just haven't found the right documentation or the right example software.