【1 touch switching】: Serial Adapter Board Simply change the position of a jumper to easily and conveniently access bus devices and quickly enter debugging mode. 【Multi function】: The Communication Module Board supports USB to bus, TTL serial to bus, and USB to TTL serial, and can also be used as a downloader.
eBay
Thin DB25 solder free male and female 25PIN solder free connector 25 pin adapter board terminal serial port parallel port plug
Aliexpress UK
Title: 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2). Colour: Blue. Type: Serial Adapters. Series: ICUSB232V2.
eBay
Ugreen USB to RJ45 Console Cable RS232 Serial Adapter for Cisco Router 1.5m USB RJ 45 8P8C Converter USB Console Cable
Aliexpress UK
We have a lot of products and only show a small number of products on the website. Item contains:One item.
eBay
LX08A USB to 485, USB to 232 USB to RS232 485 Double Function Converter two-way transparent transmission 500m serial cable
Aliexpress UK
Type: DCSD Serial Cable. - Connectivity: USB to Serial Bridge. - supporting software platform. - Used to communicate over serial to run tests and write to SysCfg(for serial definitions. ). - Specification: Brush line.
eBay
USB to 485 RS485/422/232/TTL Converter Serial Interface with FT232RNL Chip 4 in 1 Serial adapter with FTDI Chip
Aliexpress UK
Unused StarTech 2 Port USB to RS232 Serial Hub (ICUSB2322I)
eBay
Taico Lithium Iron Battery RS232 Serial PC Communication Cable Prolific PL2303GT USB RS232 to RJ11 6P6C Serial Cable
Aliexpress UK
For more commands refer to: "CH9329 chip serial communication protocol.PDF" in CH9329EVT.ZIP. Serial module and hid module connection: 5V, TX, RX, GND. plug into the computer usb interface, in the computer will see the hid module simulation out of the device, represents a successful connection.
eBay
USB to DB25 Male Printer RS232 Serial Cable for Epson Printer TM-T88VI TM-T88V，RS232 Serial Adapter
Aliexpress UK
High Security: This module includes independent power and signal isolation circuitry, providing an added layer of security. The USB port features electrostatic ESD protective circuit to protect connected circuits and devices.
eBay
USB C HUB USB-C USB-A Multiport Adapter Type C USB 3.0 Data Transfer Gigabit Ethernet RJ45 Docking Station for MacBook Pro
Aliexpress UK
Other Output(s) RS-422/485. Type Serial Multi Drop Hub. 1 Multi Drop to 8 port RS422/485. 8 x DB 9 Connector 9 Pin Male USB Type B High Retention connector (9 Pin Male). Input Type USB. Number of Ports 8.
eBay
3 in 1 USB HUB OTG USB 3.0/Type-C 3.0 To 3 USB USB Splitter Hub Speed 5.0Gbps 3 Port Type C HUB for PC Laptop Notebook
Aliexpress UK