Learn on the fly : A simple RF remote with code hopping or rolling code on Arduino and AVR using cheap 433mhz rf modules
Rolling code receiver | Details | Hackaday.io
C51 rolling code decoding and encoding, keeloq, development board learning board, rolling code encoding source code - Price history & Review | AliExpress Seller - Vector Trading Company | Alitools.io
Microchip KeeLoq Classic - New firmware for garage door receiver + new fobs
Keyless Entry Controller | Rolling Code Relay | Rolling Code Entry | Keyfob Transmitter - Relays - Aliexpress
wireless - How do rolling code fobs and receivers synchronise? - Information Security Stack Exchange