Yocto-SPI - USB to SPI adapter (TTL 3.3V or 5V), driver-free
CP2105 Classic USB to UART Bridge - Silicon Labs
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Embedded Engineering : Open Source USB Display: SPI MIPI Bridge with FPGA Test: PIC32MZ USB HS SPI Bridge QT5
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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
Uts2210 Usb To Spi Master Hid Mcp2210 Converter Adapter Gpio Diy Rc Electronic Toy Robot Development Board Mcu Uno - Parts & Accs - AliExpress
ALL IN 1 Multifunction USB to SPI/I2C/IIC/UART/TTL/ISP Serial Adapter Module L | eBay
SPI Multiplexing IC" and "USB-SPI Bridge IC" recommended - Switches & multiplexers forum - Switches & multiplexers - TI E2E support forums
UTS2210 USB to SPI SPI Master HID device MCP2210| | - AliExpress