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All modern smartphones have at least an accelerometer, GPS, video camera and mic. More expensive models also include more weather sensors. This should make a great and free source of data but getting any of the many apps to work right turns out to be difficulty.  
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All modern smartphones have at least an accelerometer, GPS, video camera and mic. More expensive models also include more weather sensors. This should make a great and free source of data but getting any of the many apps to work right turns out to be difficulty. Could someone please explain why? [[User:DG|DG]] ([[User talk:DG|talk]])
    
* SensorLab Android. Records noise levels, luminosity, acceleration, gps and many other things. Takes little space. I must turn it off and on every like 10 hours so the data is saved. [[User:DG|DG]] ([[User talk:DG|talk]])
 
* SensorLab Android. Records noise levels, luminosity, acceleration, gps and many other things. Takes little space. I must turn it off and on every like 10 hours so the data is saved. [[User:DG|DG]] ([[User talk:DG|talk]])
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