Introduction: How to Reduce Power Consumption on Arduino ESP8266 WiFi Modules

In this Instructable we look at how to reduce the power consumption of your Arduino ESP8266 WiFi module for battery powered applications.

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Comments

MichaelB247 (author)2017-07-12

Great video though! I've been looking at how to reduce transmit power on the ESP!

MichaelB247 (author)2017-07-12

According to this discussion (https://github.com/esp8266/Arduino/issues/1488), you cannot actually use an external interrupt to wake the ESP from deep sleep. The GPIO 16 is used to wake the ESP by sending a RESET pulse at whatever time interval the internal RTC is set to. I was really looking for a way to wake the ESP using an external interrupt, but the problem is proving more complex than simply having a ESP pin watch for it...

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