1. 2021-08-19 [6] [libusb] usb relay board does not work with linux ker libusb-de Hans_Jürgen_ 2. 2021-08-18 [3] [libusb] Libusb on Mac libusb-de Miguel Saro 3. 2021-08-07 [7] [libusb] libusb_control_transfer return -1 errorno 16 libusb-de Xiaofan Chen 4. 2021-08-06 [1] [libusb] =?gb18030?b?u9i4tKO6ICBsaWJ1c2JfY29udHJvbF90 libusb-de =?gb18030?B?v