USB SPI click - Breakout board for MCP2210 USB to SPI converter
Aardvark I2C/SPI Host Adapter - Total Phase
Parallel Port Board, High Durable USB To UART I2C SPI Interface 3.3V/5V Output Voltage Parallel Ports Converter Module For Industrial - Walmart.com
Ch341a Usb To Spi I2c Iic Uart Ttl Isp Serial Adapter Module Epp/mem Converter For Serial Brush Debugging Rs232 Rs485 - Integrated Circuits - AliExpress
DLN-4SC USB-SPI/I2C Master and Slave Interface (system on chip)
Amazon.com: EC Buying FT4232HL 4 Channel USB to Serial Adapter FTDI FT4232 UART SPI I2C JTAG RS485 RS422 RS232 to USB High-Speed Multifunction Serial Adapter Module Support Multi Systems for Windows XP
iConnectivity : USB HOST TO SPI CONVERTER MODULE
Devantech USB to UART, I2C, SPI, serial adapter (USB-ISS) | Acroname
AK-MCP2210 – USB to SPI Bridge | Artekit Labs
Yocto-SPI - USB to SPI adapter (TTL 3.3V or 5V), driver-free
Usb To Spi Adapter Usb-gpio / Pwm / Adc Supports Android Micro Wire - Instrument Parts & Accessories - AliExpress
USB-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
Devantect USB to I2C, SPI and Serial interface - RobotShop
CSR USB-SPI programmer
DLN-4S Multiprotocol Master & Slave Adapter
PC to I2C/SPI/GPIO/ADC/PWM Adapter with USB interface
EVK USB-SPI Interface, MC68HC908 | NXP Semiconductors
UTS2210 USB to SPI SPI Master HID device MCP2210/ | eBay
Amazon.com: All in 1 USB for ISP Serial Adapter Converters SPI/I2C/IIC/UART/TTL : Electronics
Devantech USB to I2C Interface Adapter | Acroname
DLN-2-U2C USB-I2C/SPI/GPIO Adapter (in U2C-12 compatible mode)
Amazon.com: ViewTool Ginkgo USB to I2C/IIC/SPI Adapter Converter Support Windows/Linux/MAC/Android/Raspberry Pi Compatible with UART/ADC/DAC/GPIO : Electronics
