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
USB SPI click - Breakout board for MCP2210 USB to SPI converter
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
DEV-SYS-1808-1A Qualcomm | RF and Wireless | DigiKey
USB to SPI breakout board using MCP2210 (Part 2) - YouTube