5Pcs CP2104-F03-GMR QFN-24 Input/output controller interface USB 4 I/O 3.6 V

5Pcs CP2102N-A02-GQFN24R QFN-24-EP(4x4) USB 2.0 interfaceIC Chip 3 Mb/s 3.6 V

5Pcs STUSB4500QTR QFN-24-EP(4x4) USB interface integrated circuits 22 V

3x National Semiconductor PC16552DV Dual UART Serial Controller IC PLCC-44 NEW

5Pcs PCAL6524HEAZ QFN-32 Interface-I/O expander 24 I/O Voltage 3.6 V

5Pcs S2-LPQTR QFN-24-EP(4x4) RF transceivers 500 kbps 3.6 V

INS8250AN - UART, Serial I/O Controller, NMOS, PDIP40, 8088- based microcomputer

5Pcs ST8034HNQR QFN-24-EP(4x4) Smart card interface ICs 5 V Current 70 mA