The Binho Nova is a USB Host Adapter that supports I2C, SPI, 1-WIRE, SWI, and UART protocols. It also has GPIO capabilities. A perfect complement to your Saleae Logic when you need a simple way to communicate with your DUT. The python library makes for seamless integration into automated test setups, and their cross-platform GUI software provides a point-and-click method to communicate on I2C and SPI buses. Datasheet