430单片机12864程序,可以加载之后直接用，一般是直接加载到头文件里面。- A model based on NN about project cost estimation is established and simulated on Microsoft Excel . To optimize the NN weights , we use Solver , an Excel add-in program which can be conducted directedly on N

430单片机1602程序,可以加载之后直接用，一般是直接加载到头文件里面。- A model based on NN about project cost estimation is established and simulated on Microsoft Excel . To optimize the NN weights , we use Solver , an Excel add-in program which can be conducted directedly on NN