1. led点阵屏显示汉字。 2.实现显示的信息可以随时更改。 3.实现使用手机短信发送需要显示的内容-1 LED dot matrix display Chinese characters. 2 to achieve the display of information can be changed at any time. 3 to achieve the use of mobile phone text messages sent to display the cont

LED点阵音乐频谱，12c5a60s控制8*16LED点阵显示音乐频谱-LED dot matrix music spectrum, 12c5a60s control 8* 16LED dot matrix display the music spectrum

1kHz时钟频率 A方发球 A方击球 B方发球 B方击球 系统复位端 16个LED代表乒乓球台（甲在左，乙在右） 数码管选择信号 7段显示控制信号(abcdefg)-1 KHZ clock frequency A party to serve A party to hit the ball Party B serve Party B to hit the ball The system reset end 16 leds on behalf