Introduction - If you have any usage issues, please Google them yourself
** Experimental Objective: To understand the use of buzzers, it can be directly used in the future to do it with a warning circuit experiment**** Description: through the DSP to send data to the CPLD inside, and then by the CPLD to control the IO port, the specific**** See the hardware to the circuit and CPLD code**** Experimental results: load running program can be heard嘀.. ..嘀buzzer call