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Light sleep, Wi-Fi disabled, wake with interrupt

Posted: Thu Apr 27, 2017 3:03 pm
by BetterAutomations
I'm thinking of using the ESP8266 on uPython without any Wi-Fi. Just as a power controller with extra GPIOs. How can I push an external button, wake the device from light sleep, and detect that it was that button which did the waking? Is it a Pin callback or?