Customized development of the project of card reader module built-in face access control, which refers to the addition of built-inopening function products in the door lock machine that supports face recognition. At present, the entire project has been successfully launched on the market. The size of the card reader module designed by our company is 30*44MM, which has successfully solved the metal interference, supports offline second-generation card UID reading, dual-protocol card reader module, and joins the Ministry of Public Security to decode and identify ID cards with a reading distance of 5CM Within. Use TTL communication pins to connect to the host computer motherboard. Support development systems Windows 98, Me, 2K, XP, 2003, Vista, 7 (32-bit and 64-bit) and Unix, Linux and Android; support card type 14443A: Mifare One S50, S70, Ultralight, Desfire, Pro, Plus; CPU cards such as FM1208. 14443B: AT88RF020. 15693: ICODE2.