单片机音频显示电路的制作
作者:dolphin
时间:2016-10-14
这次的小作品是频谱显示,8*16的led显示点阵配合stc12系列单片机系统,就可以自己制作廉价的频谱显示了!关于原理图我想说的是,这是原理图,不是封装图,所以大多数IC是看不到Vcc或者Gnd的,但不代表没有,希望初学者留意。原理图是用proteus画的,信号输入端的电阻、电容是抗干扰用的,大小请根据电路的实际情况做改动
这次的程序不是本人编写,是我师弟的设计,程序是有缺陷的,比如音效的延时,显示的效果等,有耐心的朋友可以自己修改程序,这次的作品在于分享数模转换程序和FFT算法,我也希望网友可以将完善的程序分享到网上,大家共同进步!!!?单片机音频显示电路原理图
HEX文件:
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这次的程序不是本人编写,是我师弟的设计,程序是有缺陷的,比如音效的延时,显示的效果等,有耐心的朋友可以自己修改程序,这次的作品在于分享数模转换程序和FFT算法,我也希望网友可以将完善的程序分享到网上,大家共同进步!!!?单片机音频显示电路原理图
单片机音频显示实物照片
下面是我的焊接工程,不熟悉电路布局的童鞋可以做为参考
单片机音频显示点阵正面
单片机音频显示点阵背面
单片机音频显示系统板正面
单片机音频显示系统板背面
单片机音频显示成品
在这里要说的是,焊接并不算复杂,无非就是点阵的焊接耗时耗力,要是有点焊接功夫,小半天也足够了,焊接的时候千万不要弄断管脚,弯折的管脚做跳线最好不过(图3)。系统板的布局我建议大家紧凑一些,我自己焊接的时候是考虑到这板子以后可能加个时间显示什么的,所以预留了一些空间,这样以后再做点阵显示的时候就方便多了。
程序:
HEX文件:
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关键词: 单片机音频显示电路的制作 电路图 电路图技术资料 电路图设计
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