Magnetic Counter - RPM Meter

Count and measure everything what rotates.

1) Attach magnet to a rotating disk
2) Put the phone close by
3) Count every time when magnet passes the phone

Ideal for DIY wind turbine projects when making coils or need to count RPM's

Press & Hold on screen to change magnetic field margin.
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Additional Information

Updated
October 14, 2014
Size
818k
Installs
50,000+
Current Version
2.0
Requires Android
2.2 and up
Content Rating
Everyone
Permissions
Offered By
UAB Sailracer
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