Problems can arise when your hardware device is too old or not supported any longer. This will help if you installed an incorrect or mismatched driver. Try to set a system restore point before installing a device driver.
For your NodeMCU, the USB to Serial IC may be SCILAB CP2102 or CH340G. Contact a Silicon Labs sales representative or go to to order the CP2102 Evaluation Kit. The kit includes a CP2102-based USB-to-UART/RS-232 evaluation board, a complete set of VCP device drivers, USB and RS-232 cables, and full documentation. An evaluation kit for the CP2102 (Part Number: CP2102EK) is available. These devices can also interface to a host using the direct access driver The CP210x USB to UART Bridge Virtual COM Port (VCP) drivers are required for device operation as a Virtual COM Port to facilitate host communication with CP210x products.If you want to use Silicon Labs C8051 or EFM8 MCU as USB host, this is not possible because these are USB devices. Hi li yu, I am not sure I understand your question.
Does Anyone programmed cp2102 driver for C8051F or others MCU? I want to use my USB Host communicate to the device which use CP2102.Download Silicon Labs CP2102 USB to UART Bridge VCP Driver 6.6.1 (Other Drivers & Tools.Home Scilab CP2102 Driver Download Silicon Labs CP2102 USB to UART Bridge VCP Driver