digital

fm31256读写源程序，(fm31256 literacy program. 0000000000000000000000000000000000000000 )

arm lpc2138 basic programs for beginers

K fold cross validation on svm

一个数字梯形，选择k条路线，每条路线从第一层的某个数开始，每次进入下一层到达左下或者右下的数字，直到最后一层为止。每条路线不能经过相同的路径，但是可以经过相同的数字节点。 输出一个整数，表示能得到的最大的k条路径经过的数字之和(A digital ladder, the K route, each route the first layer of a number, each time to enter the next layer to reach the left or right next to the number, until the final layer. Each route can not pass through the same path, but can pass through the same number of nodes. Output an integer representing the sum of the number of the largest K paths that can be obtained)

实现STM32单片机使用RDA5807M型号的芯片收音机，代码通过简单的移植，就可以使用。(Implement STM32 MCU chip radio RDA5807M model code by simply transplant, it can be used.)

基于430的DC_DC变化，采用PID控制，调节PWM的输出占公比，从而反馈调节输出电压(Based on 430 DC_DC change, using PID control, adjust the PWM output accounted common ratio, thus regulating the output voltage feedback)

GUI用户界面用来显示电路波形，即示波器，STM32编程实现(STM32 and GUI for application to show electronic waves accounting for testing the circuits.)

iCan4017模块改进程序，语言Windows Visual C++(iCan4017 programme, Windows Visual C++.)

avrmega16的频率计源码，在2m以内误差为1-3hz，1602显示(avrmega16 the frequency of source, in less than 2m error 1-3hz, 1602 show)

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