{"title":"Adafruit BNO055 + BMP280 BFF Add-On for QT Py","handle":"adafruit-bno055-bmp280-bff-add-on-for-qt-py-ada5937","url":"/products/adafruit-bno055-bmp280-bff-add-on-for-qt-py-ada5937","description":"The Adafruit BNO055 + BMP280 BFF is a compact add-on board that gives any QT Py or Xiao board powerful 9-degree-of-freedom (9-DoF) motion sensing plus barometric pressure and altitude measurement. It mounts directly onto the back of your QT Py, creating a tiny but capable sensor package.\n\nThe BNO055 handles all sensor fusion on-chip, delivering ready-to-use orientation, acceleration, and magnetic field data over I2C without the need for complex algorithms. The BMP280 adds barometric pressure sensing with ±1 hPa accuracy, enabling altitude estimation to ±1 metre. Both sensors communicate via I2C with configurable addresses (BNO055 @ 0x28, BMP280 @ 0x77) and address-changing jumpers.\n\nBNO055 Sensor Outputs\n\n\nAbsolute Orientation (Euler) – Three-axis orientation on a 360° sphere at 100 Hz\n\nAbsolute Orientation (Quaternion) – Four-point quaternion output at 100 Hz\n\nAngular Velocity – Three-axis rotation speed in rad/s at 100 Hz\n\nAcceleration – Three-axis acceleration (gravity + linear motion) in m/s² at 100 Hz\n\nLinear Acceleration – Three-axis acceleration minus gravity in m/s² at 100 Hz\n\nGravity Vector – Three-axis gravitational acceleration in m/s² at 100 Hz\n\nMagnetic Field Strength – Three-axis sensing in µT at 20 Hz\n\nTemperature – Ambient temperature at 1 Hz\n\n\nBMP280 Sensor Outputs\n\n\nBarometric Pressure – ±1 hPa absolute accuracy\n\nAltitude – ±1 metre accuracy derived from pressure\n\nTemperature – ±1.0°C accuracy\n\n\nKey Features\n\n\nBFF Form Factor – Mounts directly on the back of any QT Py or Xiao board\n\nOn-Chip Sensor Fusion – BNO055 processes 9-DoF data internally\n\nI2C Communication – Both sensors on the SDA/SCL pins\n\nAddress Jumpers – Configurable I2C addresses for both sensors\n\nOptional Interrupt/Reset – Additional BNO055 control pins available\n\nFlexible Mounting – Solder directly or use headers for a removable sandwich\n\n\n\nImportant: QT Py board is not included. Some QT Py boards have two I2C ports — make sure you use the port on the SDA/SCL pins, not the QT port.\n\n\nIdeal For\n\nCompact drone and robotics navigation\nMotion tracking with altitude sensing\nWearable orientation and altitude projects\nMiniature weather and motion data loggers\n\n\nPackage Contents\n\n1× Adafruit BNO055 + BMP280 BFF add-on board\n1× Header strip for mounting\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":1113,"title":"Default Title","sku":"AF-5937","mpn":"ADA5937","price":60.2,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":100,"option1":"Default Title"}]}