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Circuit Playground App Update – Magnetic Pole Detection

Circuit Playground for iOS has been updated with a new feature – magnetic pole detection! You can now determine the polarity of small magnets with your iPhone or iPad:

Warning: Strong magnets can permanently damage your device. To avoid damage, do not place rare earth magnets less than 8cm away from your device.

To detect a magnet’s pole, hold the magnet stationary about 30cm away from your device’s sensor position (as shown in the image). Slowly bring your device closer until a North or South polarity is displayed.

Head over to the App Store to grab the latest version of Circuit Playground.

Note: We wanted to add this feature on the Android version of the app as well, but unfortunately the magnetometer locations varied too greatly between devices.


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