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from pyb import Pin P0 = Pin('P0', Pin.OUT_PP, Pin.PULL_DOWN) print('P0=',P0.value()) P1 = Pin('P1', Pin.OUT_PP, Pin.PULL_UP) print('P1=',P1.value())
输出为P0= 0 P1= 0
原因：你的Pin设置的是输出模式。 解决办法：设置成输入模式。