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M-BUS,主机广播是用电压,丛机响应是用电流传递信号。
此帖出自stm32/stm8论坛
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很短时间供3A电流,比如楼宇对讲的开锁,是驱动一个电磁铁
此帖出自stm32/stm8论坛
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EEWorld Datasheet 技术支持