Microchip USB to SPI Bridge Device provides the simplest way to add USB to existing designs - YouTube
Devantect USB to I2C, SPI and Serial interface - RobotShop
Amazon.com: USB Port Converter Module USB Converter Module Serial Parallel to UART IIC SPI TTL ISP EPP MEM Components CH341A : Electronics
EVK USB-SPI Interface, MC68HC908 | NXP Semiconductors
Amazon.com: ViewTool Ginkgo USB to SPI Adapter Converter Support Windows/Linux/MAC/Android/Raspberry Pi USB-SPI Compatible with CAN/SPI/UART/ADC/DAC/GPIO : Electronics
CSR "Babelfish" USB-SPI 1324 Converter
Amazon.com: WSDMAVIS 1Pcs CH341A USB to I2C IIC SPI ISP UART TTL Serial Adapter EPP/MEM Parallel Converter Module : Electronics
AK-MCP2210 – USB to SPI Bridge | Artekit Labs
DEV-SYS-1808-1A Qualcomm | RF and Wireless | DigiKey
TOTAL PHASE AARDVARK I2C/SPI HOST ADAPTER | Microchip Technology
USB SPI click - Breakout board for MCP2210 USB to SPI converter
EZP2023 USB SPI Programmer with 12 Adapter Support 24 25 93 95 EEPROM Flash W2R9 | eBay
CSR USB SPI Programmer,USB-to-SPI Converter For Debug Manufacturers and Suppliers - Wholesale Products - FEASYCOM
Usb To Spi Adapter Module Usb-gpio/pwm/adc Supports Android Android Master-slave - Switch Caps - AliExpress
NI I2C/SPI Interface Device | Testforce
Aardvark I2C/SPI Host Adapter - Total Phase
DLN-2 USB-I2C/SPI/GPIO Adapter
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 - AliExpress
USB to SPI adapter with 4 GPIO high speed communication to support master slave mode. - AliExpress
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-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
SPI SPC/USB Interface & Cable - 11-967-7 - Light Tool Supply
Aardvark I2C/SPI Host Adapter | Anchor Electronics
