PC-I2C/SPI/GPIO/ADC/PWM Adapter with USB interface
Micro SD TF Memory Card Reader Module with SPI Interface For Arduino – Envistia Mall
SPI interface adapter cable of ESP8266WIFI high-speed module line Support/ | eBay
USB-I2C/SPI/GPIO Interface Adapter.
Cheetah SPI Host Adapter | Anchor Electronics
IIC/I²C Serial Interface Adapter Module | Elektor
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