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37 lines
801 B
37 lines
801 B
3 months ago
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# region 继电器
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import RPi.GPIO as GPIO
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import time
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# GPIO 代码
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# 定义继电器引脚
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EN_Relay = 17
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def init_gpio():
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"""初始化GPIO设置"""
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(EN_Relay, GPIO.OUT)
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# 初始化为高电平（关闭状态）
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GPIO.output(EN_Relay, GPIO.LOW)
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time.sleep(1) # 等待稳定
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def turn_on_relay():
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"""打开继电器（设置为LOW）"""
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try:
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GPIO.output(EN_Relay, GPIO.HIGH)
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#print('Relay turned on (LOW)')
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except Exception as e:
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print(f"Error turning on relay: {e}")
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def turn_off_relay():
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"""关闭继电器（设置为HIGH）"""
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try:
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GPIO.output(EN_Relay, GPIO.LOW)
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#print('Relay turned off (HIGH)')
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except Exception as e:
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print(f"Error turning off relay: {e}")
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