1 x RS232 to USB 2.0 Cable for PC. Connect the USB serial cable to the computer's usb interface, it will automatic identify and setup. Smart USB to RS-232 (DB 9-pin male serial port) interface. USB specification 1.1, and USB 2.0 compliant.
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USB to Serial TTL Module Type-C ESP32 ESP8266 Auto The programmer Downloader USB Serial Converter Chip Programming Tool
Aliexpress UK
CP2102 Module includes Dupont cables. 576 Byte receive buffer; 640 byte transmit buffer. On chip power-on reset circuit.
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FTDI USB to RS485 Serial Converter Adapter Communication Modbus Cable USB-RS485-WE-1800
Aliexpress UK
USB to TTL CP2102 UART Module 5Pin Serial Convertor STC Replace FT232 Module. 1PC x USB 2.0 to TTL UART 5PIN Module Serial Converter CP2102 STC PRGMR Free 4 piece cable. Standard USB type A male and TTL 5pin connector.
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FTDI FT232RL CHIP USB RS232 TO TRS 3.5MM STEREO AUDIO JACK AJ PLUG SERIAL PROGRAMMING CABLE USB-RS232-AJ SERIAL CONVERTER KABLE
Aliexpress UK
Support RS232 serial interface (both DB25 and DB9). The USB to Serial/Parallel Adapter provides the connection between USB and the traditional RS-232 serial port. Since the adapter uses no IRQs, it is perfect if you need many serial devices attached to your PC.
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USB to TTL FT232RL Conversion Modules USB Transform Serial Adapter Download Converter TYPE-C Port 3.3V 5V 6Pin USB Tool
Aliexpress UK
Support the RS232 Serial interface. Transfer your RS232 device to a USB device. Colour: Blue.
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10PCS/LOT CH340E MSOP10 USB to TTL Serial Converter, 5V/3.3V Alternative CH340G Module TYPE-C Interface For Arduino Pro mini
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USB to standard 9-pin / DB9 serial port. - Supports RS232 serial interface. - Cable Length: 0.8M (approx.).
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CH340E MSOP10 USB to TTL Serial Converter, 5V/3.3V Alternative CH340G Module TYPE-C Interface For Arduino Pro Mini
Aliexpress UK
COM ports and Baud rates can be modified to desired set up. Interface: USB - 1.1 Type A RS-232 (9-pin) Male. USB 3.1 Type E Front Panel Header Male to USB 3.0 MotherBoard IDC 20 Pin Cable. HDMI Right Angle 8K Cable For Apple TV Roku Fire TV Switch Vizio Sony LG 1.8m.
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MSOP10 USB to TTL Serial Converter 5V / 3.3V Alternative CH340 Module TYPE-C Interface For Arduino Pro Mini CH340C CH9340 CH340E
Aliexpress UK
Support the RS232 Serial interface. Transfer your RS232 device to a USB device. Colour: Blue. Support automatic handshake mode.
eBay
MSOP10 USB to TTL Serial Converter, 5V/3.3V Alternative CH340 Module TYPE-C Interface For Arduino Pro Mini CH340C CH9340 CH340E
Aliexpress UK