wakeup

ESP32 Deep Sleep GPIO Wakeup

June 1, 2020

I have nearly finished the software for my central heating thermostat and am now turning my attention to reducing its power consumption so that it can be run on batteries. The ESP32 has several power saving modes however the intention is to use the deep sleep mode and configuring the device to wake up periodically to check the temperature or to wake up immediately if either the rotary encoder is turned or the switch is pressed. ... Read more …

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