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Feature #591
open
battery power
Status:
New
Priority:
Low
Assignee:
Category:
Hardware
Target version:
Start date:
28 Jul 2017
Due date:
% Done:
0%
Estimated time:
Severity:
03 - Medium
Description
Door sensor devices need to be self contained with no more than 2 AAA's or, better, one CR-type battery. A CR123A or CR2 would be ideal.
See this discussion on battery selection, and this discussion on battery cell types.
See this Build WiFi Gadgets using ESP8266 for a demonstration of how much power an ESP8266 really draws and how long it might last given proper use of sleep modes.
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