The SDrive-MAX is an Arduino based floppy disk and cassette drive emulator for the Atari 8-bit range of computers. The SDrive-MAX allows you to read and write ATR and CAS files on real Atari hardware as though they were real disks and cassettes. The SDrive-MAX can load executable XEX files as if they were on read-only bootable disks, and can match the timing of both the 810 and 1050 floppy disk drives, allowing it to load ATX flux copied disks with copy protection still in place. The SDrive-MAX software is still in active development.
 
By far the best and most usefull addon and a must have, kudos to the developers!