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智能小车寻黑线测试程序，经典资料！电子设计大赛 小车(Smart car found black line test program, the classic material! )

ds2438电源检测芯片初始化，数据读取。(DS2438 power supply detection chip initialization, data reading.)

直流斩波变化的仿真和一些参考文献 可以学习一下(The simulation of dc chopper change and some references can learn )

说明：  STM32F1开发指南-库函数版本芯片手册(stm32f1 develop compss)

基于7758的三相多功能电能表的设计程序(Based on the 7758 three-phase multifunction energy meter design process)

基于STM32f407ZGT6编写的4*4矩阵键盘程序，并通过TFT显示屏显示(4*4 Matrix Keyboard Program Based on STM32f407ZGT6 and Displayed by TFT Display Screen)

a good content to see the data of solar panel .also u can find out.the hardwere

采用51核单片机+375A usb主控芯片驱动hp打印机，该源码已完全调试ok。(51 nuclear Singlechip+ 375A usb host chip driver hp printer, the source has been fully debug ok.)

FM1188原理图的一些元件的参数说明，还算详细(FM1188 some elements of the schematic description of the parameters, fairly detailed)

说明：  电源控制器的单片机汇编程序和VB源程序，主要功能是通过电脑程序控制单片机实现电源的控制。(Single-chip power controller for the compilation of procedures and VB source code, the main function is to control single-chip computer control to achieve power.)