The receiver also supports open, shorted and terminated (100) input fail-safe and receiver output will be HIGH for all fail-safe conditions and it has a flow-through design for easy PCB layout.

该接收器还支持开路、短路和终止(100)输入故障安全，在所有故障安全条件下，接收器输出为高电平。它采用易于进行PCB布局的直通式设计。

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This Scope Development Kit is with open source code. The Schematic, PCB layout and program code is free for re-design. It is ideal for production test, research, design and education.

该示波器开发板为开源开发板，我们免费提供线路图，PCB和代码，用户可以基于这些资料设计自己的示波器。

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Failure of blind via is one of the main causes of an open circuit in printed circuit board(PCB).

盲孔开裂是导致印制电路板（PCB）电气断路的主要原因之一。

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