USB Port Converter Module, USB To UART IIC SPI TTL ISP EPP MEM CH341A Chip USB Serial Port Adapter With Working Status Indicator For Program Debugging - Walmart.com
USB SPI Slave Breakout Board from Earth People Technology on Tindie
Devantech USB to UART, I2C, SPI, serial adapter (USB-ISS) | Acroname
ViewTool USB To SPI Adapter | eBay
DK-USB-SPI-10225-1A Qualcomm | Development Boards, Kits, Programmers | DigiKey
DEV-SYS-1808-1A Qualcomm | RF and Wireless | DigiKey
CH341A USB to I2C / IIC / SPI / UART / TTL / ISP adapter EPP / MEM parallel port converter - AliExpress
PC-I2C/SPI/GPIO/ADC/PWM Adapter with USB interface
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
CSR-USB-SPI programming simulation burner full function version - Bluetooth burner - Easy Core Technology Official Wetsite
UTS2210 USB to SPI SPI Master HID device MCP2210/ | eBay