EZCAD激光打标软件怎么设置红光通过打标软件控制？延长红光指示器的使用寿命
答：
可以用激光打标卡的OUT口控制。半导体红光指示器的电源正极接5V，负极接OUT口。当打标卡的OUT 口输出0V时，红光指示器亮。接好的线以后，在打标软件里面设置一下。
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