ESP8266 vs. ESP32 on Battery Power
Having examined the esp8266 and esp32 power consumption in detail it is time to compare the two.
Esp8266
ESP8266 Maintaining an Association
In automatic light-sleep mode the esp8266 goes to sleep when there is no activity. From there it can wake-up due to a timer or due to Wifi activity.
ESP8266 with Optimized Periodic Wake-up
This post dives into optimizing deep-sleep with periodic wakeup on the esp8266 and ends with some calculations about expected run-time on battery.
ESP8266 Deep-Sleep with Periodic Wake-up
The esp8266 can last for years on battery in deep-sleep mode, so that’s a good place to start. The question really is how often can it wake-up?
