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Measure light flicker, illuminance and RMS illuminance
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Connect to USB-Serial devices and send/receive serial data.
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Measures impulse by integrating force.
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Measure Angles on the GeoSphere with Augmented Reality.
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A counter based on the proximity sensor.
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Measure AC magnetic fields from your device's magnetic field sensor
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Measure pressure oscillations using the pressure sensor
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A counter based on the magnetic field sensor.
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Zoom in on a color stretching others away from it to enhance small differences
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Converts camera image to simulate various color vision deficiencies.
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A Tabata / HIIT timer to help you stay fit and healthy with regular workouts.
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Measure illuminance from the light sensor on your device.
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Convert integers from one base to another
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Uses microphone to auto detect note. Includes 100+ alternative tunings.
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Monitor strength of nearby wifi networks.
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Hourglass timer for timing things.
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Pick, tweak and store RGB colors grabbed from the camera preview
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Audio spectrum analyser for your microphone.