Before is to establish the chaotic circuit in analog circuits, now want to use the FPGA make the chaos phase diagram, but has been a hindrance, bought a black gold AX301 development board and DA module, are now just looking for FPGA tutorial video on the Internet in the study, but does not involve on the one hand, the writing process of this tutorial, so want to consult did this on the one hand, the teacher, how should I laid hands on him, want to early entry as soon as possible, thank you,