USB to rs232 converter, RS ‐232 to rs‐485, RS 232 to USB adapter, rs232 programming - tatanh1983/conchodom GitHub Wiki

ICL3221 Series 250 kbps 15 kV RS232 5.5V Transmitter/Receiver - TSSOP-16

https://www.futureelectronics.com/p/semiconductors--signal-interface--rs-232/icl3221eivz-t-renesas-9034756