39_jd

本例程为电容触摸按键教程，案例代码说明详细。(This routine for the capacitance touch button tutorial case code description in detail.)

用PWM脉宽来控制单片机上LED灯的亮度(Using PWM to control the brightness of LED lamp on single chip microcomputer)

AD5933评估板下位机程序（keil C）和上位机程序（VB）(AD5933 Evaluation procedures under the plan (keil C) and PC (VB))

12864 18B20做温度计 内含有仿真 是PROUUE 的仿真(12864 18B20 contains a thermometer to do simulation is the simulation PROUUE)

用LPC2200控制TFT，完成的程序，可以使用(LPC2200 controlled by TFT, the completion of the procedure, you can use)

Msp430 LaunchPad s sound code that edited by Visual C++l.

CC2530单片机的flash 的读写，以及无线接收函数，看门狗的使用(CC2530 MCU flash, speaking, reading and writing, and the wireless receiving function, the use of the watch dog)

只能小车寻线与避障加寻光51单片机代码，就是全国电子设计竞赛1999年的E题啦。(Only the car line code 51 single-chip microcomputer and obstacle avoidance for light)

说明：  实现电池的充放电功能，恒流充电、恒压放电，充电电流步进可调，步进值0.1A，电流控制精度6%。充电变换器的效率为85%。(The charging and discharging function of the battery is realized, including constant current charging and constant voltage discharging. The charging current can be adjusted step by step, the step value is 0.1A, and the current control accuracy is 6%. The efficiency of the charging converter is 85%.)

实时闹钟.1、STM32的实时时钟（RTC）是一个独立的定时器！ 2、RTC模块和时钟配置系统（RCC_BDCR寄存器）是在后备区域，即在系统复位火从待机模式唤醒后RTC的设置和时间维持不变。 RTC这章中，对RTC相关的寄存器的操作特别重要，(RTC Alarm real-time clock timer; keyer; intervalometer; timing device clock; timepiece allocation; configure; collocation; deploy register; tell-table; temporary storage reserve; in support system resetstandby mode awaken; awakening; arouse; rouse; wake up stand)