A while back we saw a logic clock that used the alternating current frequency from the power grid to keep time. We asked for information on your projects that use this method and we got a lot of ...

Instead of drawing bars, plot the midpoint of the class interval and the frequency. These points are joined by line segments. Image caption, The advantage of using a frequency polygon is that it ...

AFC is operational and authorized in the United States and Canada, while several other countries including are evaluating its ...