|Status:||New||Start date:||28 Jul 2017|
|Target version:||Iron Man - 002 - MVP|
|Severity:||03 - Medium|
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 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.