Binho Feather / Stemma QT Interface Board Adafruit Binho Feather / Stemma QT Interface Board makes it easier to interface the Binho Nova host adapter with any Feather form-factor device. This interface board comes with 3V and 5V rails that are connected to provide power to the sensors. The Binho Feather QT interface board features I2C, SPI, and UART interfaces. This interface board uses a STEMMA QT / Qwiic connector to easily bridge the Feather and Qwiic ecosystems.