Tagged: Hibernation

ESP32 practical power saving preserve gpio status on deep sleep UPL and external wake-up 1

ESP32 practical power saving: preserve gpio status, external and ULP wake up – 5

ESP32 has the ability to take advantage of many energy saving modes, but when you set sleep you also lose the status of the pins, but there is a way to preserve it and we will analyze it. Furthermore, the esp32 has powerful features such as the UPL a low-power processor that can wake you up in case of need.