89C2051 generated by PWM signal to control DC motor speed control

80c51f020，i2c管理时钟芯片PCF8583,-80c51f020, i2c management clock chip PCF8583,

单片机的USB、232输出口的电路图-USB MCU, 232 outputs of the circuit

非常有用的12864LCD功能驱动KEilC51的开发

利用 AT89S51 单片机的 P0 端口的 P0.0 － P0.7 连接到一个共阴数码管的 a － h 的笔段上，数码管的公共端接地。在数码管上循环显示 0 － 9 数字，时间间隔 0.2 秒。 -use AT89S51 SCM P0 port of P0.0- P0.7 connected to a digital control Yam were a-h of the pen, digital tube connected to the public. The digital display tube cycle 0-9 figures, the time interval of 0.2 seconds.

关于msp430单片机的一些 自己收集的一些有需要的请下载-MSP430 MCU on some of his own collection of some of those in need, please download

51单片机控制的LCD1602读写控制程序LCD1602.c-51 single-chip control LCD1602 read and write control procedures LCD1602.c

一款基于C51系列的红外参考代码，学习的力量-A Based on the C51 series of infrared reference code, learning the power of

A/D转换，转换结果用液晶显示出来，液晶是OCMJX12864。显示的结果是数字量。使用的是ADC0809。（有原理图）-A/D conversion, conversion results liquid crystal display, LCD is OCMJX12864. The result is digital displays. Are using the ADC0809. (With schematic diagram)

4x4矩阵扫描键盘 用于PIC16f8-4x4 matrix keyboard scanning for PIC16f8

温度计原理图和源码-thermometer schematic and source