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test_led.py
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test_led.py
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import time
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'''
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实验名称:点亮第1个LED
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实验平台:核桃派
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'''
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#导入相关模块
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import board
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import digitalio
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from digitalio import DigitalInOut, Direction
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PIN = board.CS1
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#构建LED对象和初始化
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led = DigitalInOut(board.LED) #定义引脚编号
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led.direction = Direction.OUTPUT #IO为输出
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print("hello blinky!")
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led.value = 1 #输出高电平,点亮板载LED蓝灯
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led = digitalio.DigitalInOut(PIN)
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led.direction = digitalio.Direction.OUTPUT
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while True:
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led.value = True
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time.sleep(0.5)
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led.value = False
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time.sleep(0.5)
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#led.value = 0 #输出低电平,熄灭板载LED蓝灯
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