No, the flap opening sensors can be removed PS2CD-ROM or PS2DVD-ROM with CD-R, DVD-R, DVD+R or DVD+M
In second place are Action Replay MAX and Code Breaker v9 or v10, which allow you to import a save from USB to MC, while their containers ( *.max and *.cbs) store timestamps. As an attack vector the most useful of this bunch is Swap Magic v3.6 or 3.7 because it runs *.elf from USB. The most popular are Action Replay, Code Breaker, GameShark and Swap Magic. Pressed CD-ROMs or DVD-ROMs with cloned security features ( so they must be original and from the same region as the console, copies on CD-Rs or DVD-/+Rs will NOT work) that allow you to either cheat in games, or upload saves to a memory card, or run programs from a flash drive. It will not guide you step by step because it is not a detailed guide, but it will show what options you have and which path you should choose, according to your PS2 model and accessories. No problem! I prepared this roadmap especially for you. If you are a new user, you have probably already dug through a ton of articles and tutorials (usually very outdated because they are at least a decade old), and from the rush of all this knowledge you feel disoriented. We are now in 2022 and there are still enthusiasts in the world ready not only to play on such an ancient console, but also to find new ways to explore it, write and improve homebrew programs.