The jackpot has a SD card slot and that’s still the preferred way to run a job- put the files on the SD card and then start the job. If you just want to do that, you can set up the jackpot in AP mode in which case all you need to do from your laptop is connect to the jackpot’s internal wireless AP- and you use the web UI to start a job. The job then runs from the SD locally.
If you really, really don’t want to use WiFi at all, there is a design available for a FluidNC pendant.
There’s several threads here about that. I just built one that was used to run an LR3 at the Rocky Mountain RepRap Festival. My build thread for that is at
There’s a long thread from when @DougJoseph first mentioned it located at
Frankly, I think you’ll be happy using the SD card and the jackpot in AP mode- but since there are multiple options we can help you sort out the best way to set things up for you.