# CH34x USB-UART converter driver [](https://components.espressif.com/components/espressif/usb_host_ch34x_vcp) Limited implementation only. The vendor does not provide full specification. - CH340 and CH341 supported - [Datasheet](http://www.wch-ic.com/downloads/CH341DS1_PDF.html)
1a7c5aa53c24f927cded80a9ea9a5f6a051dabcc
idf.py add-dependency "espressif/usb_host_ch34x_vcp^2.2.1"