waveshare
USB Multi-Converter (Up to 3-Ch) - UART/I2C/SPI/JTAG, 3.3/5V - Aluminum Case, Compatible Win7/10/11, Linux
USB To UART/I2C/SPI/JTAG Converter, easy to control and debug various interface devices via PC, Supports USB to 2-ch UART, or USB to 1-ch UART + 1-ch I2C + 1-ch SPI, or USB to 1-ch UART + 1-ch JTAG Supports 2-ch high-speed UART interfaces, up to 9Mbps baud rate, with CTS and RTS hardware automatic f...
$20.16