Rx480 receiver and remote

Hi can any one help have a arduino uno board with mks stepper driver and rx480 remote receivers and remote with a nema 23 stepper motor. nead to open and close a door using above list need to right the programe for it but have no clue how to need to open with button a on remote control and close with button b on remote control and neat to know how to connect the rx480 - e resever to the arduino uno board

A search in the internet gave me this page: RX480 433mhz Wireless Receiver Learning Code Decoder Module 4 Ch output Diy kit With Learning Button - YouTube

Hopefully useful for your problem