串口RS232 和RS485 是两种不同的串行通信接口标准，它们有以下几方面的区别： RS232 接口通常以 9 个引脚 (DB9) 或 25 个引脚 (DB25) 的形式出现，而 RS485 接口没有具体的物理形状，可以根据实际情况采用不同的接口。

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Library for RS232 serial communication to Xantech, Monoprice, Dayton Audio, Soundavo, and other multi-zone amps. This supports any serial protocol for communicating with the amps, including RS232 ...

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串口RS232 和RS485 是两种不同的串行通信接口标准，它们有以下几方面的区别： RS232 接口通常以 9 个引脚 (DB9) 或 25 个引脚 (DB25) 的形式出现，而 RS485 接口没有具体的物理形状，可以根据实际情况采用不同的接口。 RS232 接口的信号电平值较高，易损坏接口电路的 ...

[导读]串口：串口是一个泛称，UART、TTL、RS232、RS485都遵循类似的通信时序协议，因此都被通称为串口。串口通讯应用是工控人必须掌握的一个技能，几乎在每一个项目中都会用到，今天我们就来详细比较一下它们究竟有何区别。 串口：串口是一个泛称，UART、TTL ...