DFRobot Firebeetle needs in deep sleep only 10µA but the start up time after deep sleep is around 200ms. Connecting GPIO 15 to ground reduces the time by 20ms (see Otii recording). Espressif offers a faster boot it you change the boot loader option “CONFIG_BOOTLOADER_SKIP_VALIDATE_IN_DEEP_SLEEP” h…

ESP32 Firebeetle fast boot after deep sleep

algonsi June 21, 2022, 5:31pm 3

Please, how could I get a fast boot from deep sleep within the Arduino framework?