The simplest instrument to measure the intensity of light (light exposure meter), with max and min values registered. Luxmeter Esposimeter Compared to a sekonic professional exposimeter the error is about to 4-11 lx. N.B. DON'T LEAVE NEGATIVE VALUTATIONS JUST BECAUSE OF YOUR DEVICE...
The simplest application to get all data you need from from your smartphone gps. Longitude Latitude Speed Gps error Direction Please rate and comments, suggestions appreciated