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DLN-4SC USB-SPI/I2C Master and Slave Interface (system on chip)
USB SPI click - Breakout board for MCP2210 USB to SPI converter
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USB to SPI Adapter Comes with 4-way GPIO High-speed Communication and Supports Master-slave Mode - AliExpress
Yocto-SPI - USB to SPI adapter (TTL 3.3V or 5V), driver-free
Uts2210 Usb To Spi Master Hid Mcp2210 Converter Adapter Gpio Diy Rc Electronic Toy Robot Development Board Mcu Uno - Parts & Accs - AliExpress
iConnectivity : USB HOST TO SPI CONVERTER MODULE
PC-I2C/SPI/GPIO/ADC/PWM Adapter with USB interface
Devantech USB to UART, I2C, SPI, serial adapter (USB-ISS) | Acroname
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USB SPI click - Breakout board for MCP2210 USB to SPI converter
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Devantect USB to I2C, SPI and Serial interface - RobotShop
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