Binho Qwiic / Stemma QT Interface Board Adafruit Binho Qwiic / Stemma QT Interface Board makes it easy to interface the Binho Nova host adapter with up to 4 Qwiic / Stemma QT I2C device strings. This Binho Qwiic interface board breaks out all the pins to a series of headers for convenient jumping to the circuits. The Binho Qwiic QT board is the simplest way to use Binho Nova with a wide range of Stemma QT sensors and devices and plug-n-play simplicity. This board comes in 25mm × 35mm in size and comes with pre-soldered connectors and headers that are not installed.