Directly control SPI/I2C bus-equipped devices from your computer's USB port SPI/I2C Protocol Emulator Model Number: REX-USB61 Price: ¥21,800 (excluding tax) Product Details URL https://www.ratocsystems.com/products/subpage/usb61.html ● USB adapter compatible with both SPI and I2C ● SPI mode supports master ● I2C mode supports master and slave ● Power supply to the device and this product is possible ● Includes a housing with a bare wire cable Thank you for viewing. Best regards.