电路图 里面有许多实用电路图 51编程器电路图 51单片机LED点阵电子显示屏的设计电路图 89C51单片机号音自动播放器的设计 单片机看门狗电路图 单片机控制的带语音报数功能的抢答器-There are many practical circuit diagram circuit diagram circuit diagram 51 of programmer 51 Single-chip LED dot matrix display design of electronic circu

16*16点阵式电路图，电路简洁明确，可以随意设计字型。-16* 16 dot matrix circuit, the circuit simple and clear, free to design fonts.

这是制作点阵汉字显示电路图，参考下吧，我自己做过了，感觉不错！-This is making dot-matrix character display circuit, refer to the bar, I did, and it felt good!