(No difference)
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Next, I recommend you insulate the serial converter using the electrical tape if it's going to be in a tight enclosure, to avoid any shorts between it and the Teensy.
然后，我推荐用电工胶带把CP2102电路板给包起来，防止把它根Teensy开发板绑在一起后，与Teensy上的金属接触在一起发生短路之类的问题。
