Get professional-grade, tilt-compensated heading data instantly with this solder-free Qwiic update to our most capable compass module.
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Supplier Link: [SparkFun MPN:30183]
The SparkFun Qwiic HMC6343 Digital Compass represents the gold standard in compact, easy-to-integrate navigation. No, seriously. This is, quite simply, one of the best digital compasses on the market! While standard magnetometers can be erratic and difficult to calibrate, the HMC6343 is a fully integrated, high-performance electronic compass module that delivers reliable heading data out of the box. By upgrading this top-of-the-line sensor with our solder-free Qwiic system, we’ve made professional-grade navigation accessible for any project.
The defining feature of the HMC6343 is its ability to provide accurate heading data even when the board is not perfectly level. Most low-cost compass modules require the sensor to be held strictly flat; if the device tilts, the heading readings skew wildly.
The HMC6343 solves this by combining 3-axis magneto-resistive sensors with 3-axis MEMS accelerometers. The onboard microprocessor fuses this data to calculate a "tilt-compensated" heading, ensuring your project knows exactly which way it is facing, whether it is climbing a hill, banking a turn, or being held in a hand.
Beyond just reading raw data, this module handles the heavy lifting so your main microcontroller doesn't have to. The HMC6343 features a built-in microprocessor running complex firmware algorithms that perform:
We have designed this board to be as easy to use as it is powerful. With the Qwiic Connect System, you can daisy-chain the compass to your microcontroller via I2C using a simple cable. This eliminates the need for soldering or complex wiring harnesses, allowing you to focus on your code rather than your connections. For users who prefer a traditional approach, the standard 0.1" pins are still broken out for breadboard use.
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