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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 @06:39PM (#7519560)
The key is to get notifications when you're away. BLE don't have a good range (about 10 meters). ZigBee is more like Wifi (about 50/100 meters).
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