USB_case_RP_USB2RS485_CP2102
This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/bfvpzodliZb
A case for a Renard Plus USB to RS485 adapter available here:
http://renard-plus.com/usb485adapter.html
http://renard-shop.com/home/34-usbrs485-adapter.html
This board is designed to connect Renard Christmas light controllers to a PC to enable light animation. See details on the above links.