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Magnetometers
Magnometer - In order to determine the coordinates and orientation of an object, sensor devices are often used. Such devices include gyroscopes, accelerometers and magnetometers. Despite having a similar application area, they each measure different quantities. By combining them into one device, you get a powerful tool to help determine the location and direction of movement of, for example, a drone or robot. Appropriately designed electronic circuitry performing these functions can be found in many variants in the Botland shop offer.
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Magnometers - FAQ
The magnetometer belongs to the group of MEMS sensors. It is used to precisely measure the magnetic field, or more precisely, its intensity. Some magnetometers operate on the principle of the Hall effect, while others use the phenomenon of magnetoresistance. Magnetometers have various applications. They can be used, among others: for detecting metals or for measuring magnetic fields, e.g. earth. A specific type of sensor is a Gaussian magnetometer, which uses the vibrations of a very small magnet.
When choosing a magnetometer , you should first of all take into account the measurement range, type of communication interfaces, FSR, measurement resolution, accuracy and supply voltage range and additional sensors. Other important parameters are measurement accuracy, e.g. ±0.5° and total RMS noise. Selected magnetometer models are mounted on a printed circuit board equipped with Qwiic connectors.