133TM2 (133ТМ2) Soviet TTL Logic IC Dual D Flip-Flop USSR NOS

1PCS Modbus-Rtu 1/2/4/8 Relay switch Input/Output RS485/TTL communication #YT

1PCS NEW RS232 SP3232 TTL to RS232 RS232 to TTL brush line serial port mode #YT

1PCS USB TO TTL/RS485 Dual function Dual protection USB to 485 module #YT

1PCS NEW MAX3485 TTL to RS485 Usart communication accessory #YT

1PCS CP2102 module/USB TO TTL/ USB-to-serial /UART STC downloader driver #YT

1pcs N82S126AN 1Kbit TTL Bipolar 82S126 PROM 16-pin Dip Signetics DIP16

1PCS Isolated USB-to-TTL USB-C to serial UART download cable upgrade 3.3V #YT