That is very good! I am a start look!

1602测距模块源码，已经经过测试，觉得可用，有问题可以联系我，本人是菜鸟，有问题，大家一起讨论-1602 ranging module source code, has been tested, that available, a problem can contact me, I am a rookie, there are problems, we can discuss

多普勒信号有很多种，我这里上传的是通过常规函数构造出一个理想的多普勒信号，多普勒信号是用其频移来进行计算的，一般是激光干涉仪等出来多普勒信号-Doppler signal there are many, I am here to upload a laser Doppler interferometer signal out through conventional function construct an ideal Doppler signal, the Doppler frequency

调频电源使用,应用于调频电压的发生模块，为单片机代码 -AM and FM produce ,for you can do for everything