MAX490 RS422 DC 5V Mutual Transfer Full-duplex TTL Bi-directional Signal Module

RS422 To TTL Bidirectional Signal Module Full Duplex 422 To MCU UART Serial Port

FT232RL USB 2.0 to TTL Serial Adapter Module for Mini Port 3.3V 5V #A6-43

RS485 to TTL232 UART Isolated communication Surge Protection Module for PLC MCU

FT232 FT232RL USB 3.3V 5.5V to TTL Serial Adapter Module Type-C / Mini USB #A6

FT232RL Serials Adapter Module Mini Port f. USB to TTL 3.3V 5.5V #A6-43

8-Channel IIC UART SPI TTL Level Converter 5V/3.3V Bi-Directional Module #A6-2