本文详细介绍了ESP8266模块的GPIO引脚对应关系，特别注意的是，实际的GPIO编号与板子丝印上的标签并不一致。例如，D0实际上对应GPIO16，而D1则对应GPIO5。文章提供了引脚对照表，帮助读者了解哪些引脚适合用于项目中，哪些引脚在启动时可能行为异常，以及哪些引脚不建议作为输入或输出使用。
Best Pins to Use – ESP8266
One important thing to notice about ESP8266 is that the GPIO number doesn’t match the label on the board silkscreen. For example, D0 corresponds to GPIO16 and D1 corresponds to GPIO5.
The following table shows the correspondence between the labels on the silkscreen and the GPIO number as well as what pins are the best to use in your projects, and which ones you need to be cautious.
The
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