Introduction - If you have any usage issues, please Google them yourself
1. Write programs using digital trigger, so that the computer and playing audible music (such as " Two Tigers" , etc.). Further understanding of the direct control program I/O mode and trigger control bit sound works. A piece of music is the beat of different tone frequencies and the composition, thereby controlling the frequency and duration of pulse is the key to writing music program. Note the frequency according to the known table, set the music and the beat frequency table timetable programming and debugging through. 2. Understand the working principle of the timer, the timer produces sound control methods used to make the computer play music (such as " Two Tigers" , etc.). Programming and debugging through.