Replying so that anyone with the same issue can find the solution. These boards have two modes and a slot that says "MOCE". I had to plug an additional button into that slot (one for each board) and click the button after EVERY boot to switch into the other mode. The amazon seller replied to my questions with this (I have NOT tried this as of yet):
https://1drv.ms/u/s!Ai28FotlE4R6jwmeEdqGYaOXSfr5?e=c8SF82
https://share.weiyun.com/hZ4wuWRO
Hello there,
You can directly access the link,
Connect to the computer to upgrade the coding board.
In this version. You press the clear button.
The joystick will switch between Dinput/Xinput