I tried reply to your previous questions about the device, but am not seeing it posted... Anyway, The Mac system report shows it when connected to a USB 3 port: USB 3.0 Bus:

Host Controller Driver: AppleUSBXHCIPPT
PCI Device ID: 0x1e31
PCI Revision ID: 0x0004
PCI Vendor ID: 0x8086

USB Stepper Focus v0.1s :

Product ID: 0xfbb2
Vendor ID: 0x04d8 (Microchip Technology Inc.)
Version: 0.01
Serial Number: 00000000P3
Speed: Up to 12 Mb/sec
Manufacturer: Astrogene1000_stuff
Location ID: 0x14100000 / 31
Current Available (mA): 500
Current Required (mA): 240
Extra Operating Current (mA): 0






However, EKOS shows a failed to connect message.

2021-10-30T18:59:09: [ERROR] Failed to connect to port (/dev/cu.usbserial). Error: Port failure Error: No such file or directory. Check if device is connected to this port.

Read More...