SparkFun Linear 3D Hall-Effect Sensor - TMAG5273 (Qwiic) Low-Power, high-Precision Magnetic Field Sensor, Dimensions: 1.00 x 1.00: Amazon.com: ,SparkFun Mini Linear 3D Hall-Effect Sensor TMAG5273 (Qwiic),Tynemouth Software: 2019,SparkFun Mini Linear 3D Hall-Effect Sensor TMAG5273 (Qwiic)