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Install driver
Users can click the button below to download the corresponding CP210X or CP34X driver compressed package according to the operating system they are using. After decompressing the compressed package, select the installation package corresponding to the bit number of the operating system to install.
There are currently two driver chip versions, CP210X (applicable to CP2104 version) and CP34X (applicable to CH9102 version) driver compressed package. If you are not sure which USB chip your device uses, you can install both drivers at the same time. (CH9102_VCP_SER_MacOS An error may occur during the installation process, but it has actually been installed. Just ignore it.)
For Mac OS, make sure your system "Preferences -> Security & Privacy -> General" and allow access from the App Store and Approved Developers before installation.
Download the M5Stack-basic serial port driver at the bottom
How to distinguish CP210X and CP34X chips
- As shown in the figure below, open Device Manager and view Ports (COM and LPT)
- If Port (COM and LPT) displays USB-Enhanced-SERIAL CH9102, it is CP34X chip
- If Port (COM and LPT) shows Silicon Labs CP210x USB to UART Bridge, it is CP210X chip
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安装驱动
用户可以根据自己使用的操作系统，点击下方按钮下载对应的CP210X或CP34X驱动压缩包。 解压压缩包后，选择与操作系统位数对应的安装包进行安装。
目前有两个驱动芯片版本，CP210X（适用于 CP2104 版本）和CP34X（适用于 CH9102 版本）驱动压缩包。 如果您不确定您的设备使用哪个 USB 芯片，您可以同时安装两个驱动程序。 (CH9102_VCP_SER_MacOS 安装过程中可能会出现错误，但实际上已经安装完毕，忽略即可。)
对于 Mac OS，安装前请确保系统“首选项 -> 安全和隐私 -> 常规”并允许从 App Store 和认可的开发人员访问。
如何区分 CP210X 和 CP34X 芯片
- 如下图所示，打开设备管理器，查看端口（COM 和 LPT）
- 如果端口（COM 和 LPT）显示USB-Enhanced-SERIAL CH9102，则为CP34X 芯片。
- 如果端口（COM 和 LPT）显示Silicon Labs CP210x USB to UART Bridge，则为CP210X 芯片。
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