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By Wilson E. B.

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For the hobby-electronics community, or for experimental product development, a magnetometer may be mounted on a breakout board for ease of use. A board using a Honeywell HMC5883L is shown in Figure 2-1. spatial > location > magnetometer manent magnet are shown in Figure 2-2, where the strength, or flux density, at any point, is indicated by the spacing the lines, while the angle tangential to a line indicates its vector. ) Figure 2-2 Field lines representing magnetic flux created by a bar magnet.

This component functions similarly to a reed switch, although of course it still requires a power supply. measured in tesla or gauss, and the abbreviation BRP is used. 5VDC. Check datasheets carefully. Also known as an analog Hall sensor, its output voltage varies in proportion to an external magnetic field instead of switching cleanly between high and low states. When no magnetic field is detected, the output is half of the sensor’s supply voltage. In response to one magnetic polarity, the output can drop almost to zero.

However, a GPS sensor consists of a surface-mount chip that processes signals from GPS satellites using a small rectangular antenna, often mounted on top of a GPS chip. A GPS module is usually a small board on which a GPS sensor is mounted with additional components. A GPS receiver is a device including a data display and other features, such as memory, in addition to a GPS module. In casual colloquial usage, someone who refers to “a GPS” usually means a GPS receiver. GPS is almost always capitalized without periods.

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