Smartcard Interface, Multi Protocol, RS 485 422, USB to RS 232 - tatanh1983/conchodom GitHub Wiki

MAX3232 Series 250 kbps 5.5 V Surface Mount RS-232 Transceiver - SSOP-16 https://www.futureelectronics.com/p/semiconductors--signal-interface--rs-232/max3232eeae-t-maxim-integrated-4085501