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A comment on Show HN: I built this notifying device – electronics, code, design, marketing. Parent comment

Re:Show HN: I built this notifying device – electronics, cod... by clement87 on Wednesday April 02, 2014 @05:04PM (#7519003)
I know, it's all about the battery life (about years). The ZigBee chip require only 40mA in transmit and less than 1uA on idle mode... You can't do the same with a WiFi chip, ask Spark... Also, with Hub/Node there is no "association" need like entering the WPA key. It's all automatic
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