有需要用430作为单片机做水温控制系统的朋友可以看看这份材料，本人亲自调试过，完美-There is a need to use 430 as a single-chip temperature control system you can look at this material, I personally debugging, and perfect

430单片机程序滤波器代码，主芯片是430，可以设置中心频率大小。-430 microcontroller program filter code, the main chip is 430, you can set the size of the center frequency.