Devantech USB to UART, I2C, SPI, serial adapter (USB-ISS) | Acroname
Usb To Uart I2c Spi Gpio Converter Linux, 4 Adc 4 Pwm 8 Digital Io, Free Qt Labview Vb Vc Demo - Instrument Parts & Accessories - AliExpress
DK-USB-SPI-10225-1A Qualcomm | Development Boards, Kits, Programmers | DigiKey
Amazon.com: USB Programmer Module CH341A Series Burner Chip 24 EEPROM BIOS LCD Writer 25 SPI Flash USB to TTL 5V-3.3V : Electronics
Adafruit FT232H Breakout - General Purpose USB to GPIO+SPI+I2C
PC-I2C/SPI/GPIO/ADC/PWM Adapter with USB interface
DLN-4S Multiprotocol Master & Slave Adapter
CH341A Programmer USB to UART/IIC/SPI Convertor Parallel Port Converter onboard UART and SPI/I2C Operating Indicator Lamp|usb to|usb to uartusb to spi - AliExpress
EVE2-USB2SPI-KIT-A, FT232H
UTS2210 USB to SPI SPI Master HID device MCP2210/ 573852473068 | eBay
Uts2210 Usb To Spi Spi Master Hid Device - Instrument Parts & Accessories - AliExpress
Yocto-SPI - USB to SPI adapter (TTL 3.3V or 5V), driver-free
Amazon.com: CH341A Programmer USB to UART IIC SPI I2C Convertor Parallel Port Converter Onboard Operating Indicator Lamp Board Module : Industrial & Scientific
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
iConnectivity : USB HOST TO SPI CONVERTER MODULE
USB SPI Slave Breakout Board from Earth People Technology on Tindie