Recent content by reesefrancis

I'll try with more specific questions: which is the gravity direction signal of 3-axis accelerometer? I need to do an fft on it

Is this the wrong section? hope not

Hi, I have to find the best approach for tackling a problem for trying to recognize physical movements - with an iPhone in a pocket - like walking, stopping, turning left/right, sitting. The ultimate goal is to recognize urban street behaviour, mostly regarding traffic lights: is it possible to...