deepsleep可以通过下面几种方式唤醒：

• 触摸键，esp32.wakeontouch(wake)
• 一个引脚电平，esp32.wakeonext0(pin, level)
• 多个引脚电平组合，esp32.wakeonext1(pins, level)

触摸键

from machine import TouchPad, Pin, deepsleep
import esp32
t = TouchPad(Pin(14))
t.config(500) # configure the threshold at which the pin is considered touched
esp32.wake_on_touch(True)
deepsleep()

引脚电平变化

from machine import Pin, deepsleep
import esp32
pin0 = Pin(0, Pin.IN, pull=Pin.PULL_UP)
esp32.wake_on_ext0(pin0, esp32.WAKEUP_ALL_LOW)
deepsleep()

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