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t9913085 发表于 2012-4-18 06:12 ![]()
那是什么意思?麻烦帮我看下,已经上图
那是heartbeat LED..
檢錯用的一種..
If the controller is functioning normally, the heartbeat LED should be blinking. If the heartbeat LED is completely off or solid red, it generally means that the controller is an error condition. |
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