Amazon.com: WSDMAVIS 1Pcs CH341A USB to I2C IIC SPI ISP UART TTL Serial Adapter EPP/MEM Parallel Converter Module : Electronics
CH341 USB To UART, I2C, SPI Parallel Breakout Board – ElectroDragon
I2C vs SPI vs UART – Introduction and Comparison of their Similarities and Differences - Total Phase
USB-I2C/SPI/GPIO Interface Adapter.
DLN-2 USB-I2C/SPI/GPIO Adapter
Total Phase Aardvark | USB to I2C and SPI Host Adapter
Amazon.com: All in 1 USB for ISP Serial Adapter Converters SPI/I2C/IIC/UART/TTL : Electronics
781964-02 - Ni - Interface Device, I2C/SPI, USB-8452
Devantec USB to I2C, SPI and Serial interface (Short Pin Headers) - RobotShop
CH341A Programmer Module USB to UART IIC SPI I2C TTL ISP EPP/MEM Converter | eBay
Amazon.com: All in 1 CH341A USB to SPI I2C IIC UART TTL ISP Serial Adapter Module EPP MEM Converter for Serial Brush Debugging RS232 RS485 : Electronics
I2C to SPI Click | Mikroe
Usb To Uart, I2c, Spi (with 4 Adcs, 4 Pwms, 8 Digital Io And Nrf2401 Test Software) - Connectors - AliExpress
781964-03 - Ni - Interface Device, I2C/SPI, USB-8452
Adafruit FT232H Breakout - General Purpose USB to GPIO, SPI, I2C [USB C & Stemma QT] : ID 2264 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Aardvark I2C/SPI Host Adapter - Total Phase
Total Phase Aardvark I2c / SPI Host Adapter USB to I2c/spi Bridge for sale online | eBay
MGTNSY1 - USB to (I2C/SPI/UART/GPIO/PWM/ADC) Cable from skoperst on Tindie
Total Phase Beagle I2C/SPI/MDIO | Bus Protocol Analyzer