Micro Triple Axis Accelerometer Breakout (BMA400) SparkFun Micro Triple Axis Accelerometer Breakout (BMA400) offers a 3-axis acceleration sensor for ultra-low-power applications. The SparkFun breakout features an easy-to-use Micro Qwiic format. The device is an ultra-low power acceleration sensor perfect for wearable and smart home applications. The sensor distinguishes between critical situations and false signals by avoiding false alarms.