Need further help? Consult your amplifier or looper’s manual under “External Footswitch” or “FS-3P.”
For unbranded models from Amazon or eBay: These are analog devices. If they feature a USB port, it’s likely for power only, not data. Do not attempt to “find a driver” – it will not work.
If you want to program complex functions, consider these no-software or alternative solutions: