MicroBlaze Quadrature encoder for rotary knob.

The output from incremental optical encoders and from many other types of measurement devices is known as a “quadrature” signal. A quadrature signal consists of two square waves 90° out of phase. The input channel on our encoder interface board count

使用NI PCIe-7852R实现的旋转电机正交编码器接口。。(Quadrature encoder interface of rotary motor realized by NI PCIe-7852R..)