步进电机的驱动程序,按3个速度段,让步进电机跑的跟精确

用普单片机实现低成本高精度A_D与D_A转换关键词 单片机 　A/D转换 　D/A转换 　PWM(脉冲宽度调制)比较器-Pu realize low-cost single-chip microcomputer with high-precision conversion A_D with D_A Key words Single-chip A/D converter D/A converter PWM (pulse width modulation) comparator

CH341评估板，演示USB转串口、转打印口、转并口及同步串口等-CH341 Evaluation and demonstration USB to serial, LPT switch, switch synchronous serial port and parallel port, etc.

DS1302的读写，基于MS430F149的读写，简单-DS1302 reading and writing, based on reading and writing MS430F149, simple

无级变速步进电机程序是一个AVR单片机驱动步进电机正反转的程序，并且有加减速度功能-Variable speed stepper motor program is an AVR microcontroller to drive a stepper motor is reversing the process, and has the speed function of addition and subtraction

这是一个4*4键盘程序,已通过串口检测,效果还不错，给需要的朋友的一个参考。-This is a 4* 4 keyboard procedures have been detected through the serial port, the effect is also true that to a friend in need a reference.

采用51系列单片机硬件电路对TEA5767收音模块控制源码-51 Series single-chip hardware circuit of TEA5767 radio module control source

LCD320240，C51单片机的图文显示测试。-LCD320240, C51 MCU graphics display test.

软件实现日历，采用LCD1602显示,1602的第一行滚动显示设计说明，第二行显示日历-LCD1602 LCD1602 LCD1602 LCD1602

这是本人用单片机制作电池容量计的程序，共大家参考参考-MCU production capacity of battery, with a total of your information.

基于AD89S52的计算器的实现源程序。-Calculator based on the realization of AD89S52 source.