To achieve the cycle count of the digital control, digital control connection fo...

使用PIC12C508509的例程：用PIC12C508509 控制一个步进电机源程序，用PIC12C508A 控制模型源程序和用PIC12C509 控制LED。-an example program about PIC12C508509: use PIC12C508509to control stepping motor, use PIC12C508A controlling model source and PIC12C509 control LED

CY7C637xx CY7C637xxC Y7C637xxCY7C637-CY7C637xx CY7C637xxCY7C637xxCY7C637xx CY7C637

ps2键盘的命令集，编写键盘驱动时有用。EDH:置位/复位 LED 指示器。键盘右上角有三个 LED 指示器,分别反映 Caps、Num 和 Scroll 三个键的 锁定情况。参数字节如表 2 所列。 -ps2 keyboard command set, the preparation of useful keyboard-driven. EDH: Set/reset LED indicator. The upper right corner of the keyboard has three LED indicators, respectively, reflecting the Caps, Num and Scroll Lock keys in three cases. Parameter bytes as listed in Table 2.

用于PIC的AD转换和用HD7279A的显示（公阴极的8段数码管）-PIC for the AD converter, and the use of HD7279A display (public cathode of the eight digital tube)

使用protel99软件编辑的原理电路图，希望对各位有助于电路图的学习和开发-The use of the principle of circuit protel99 software editor, in the hope you will help the study and development of circuit

基于51单片机，实现RS232和RS485两机通信，包含详细说明！

高性能模数转换器AD6640的ARM控制源码-High-performance ADC AD6640 source of the ARM control

8051 Serial I/O Routines Ring buffered, interrupt-driven UART driver, written in Keil C .

DS1302读写一体化C51源程序-DS1302 source code reader integration C51

AT89C2051驱动步进电机的电路和源码, 源码为C语言.-AT89C2051 stepper motor drive circuits and source code, source code for the C language.