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The GY-271 Compass Module The GY-271 is a breakout board designed for the Arduino, and its header pins fit perfectly into an ordinary breadboard. The main IC on the board is a three-axis compass with ...

This GY-271 magnetic sensor is loaded with QMC5883L IC which have high resolution of 12 bit ADC its accuracy is somewhat near 1 to 2 degree. its have on board voltage regulator so you can use voltage ...