the program is for contral system , using the PID.

《模拟I2C总线多主通信的通用软件包》,支持多主竞争，比如有多个单片机和I2C器件同时工作。- Simulation of multi-master I2C bus communications generic package to support multi-master competition, for example, has a number of SCM and I2C devices work at the same time.

1602lcm字符液晶屏驱动演示程序,连接线图: LCM-------51 LCM-------51 LCM--------51 DB0-----P0.0 DB4-----P0.4 RS-------P2.0 DB1-----P0.1 DB5-----P0.5 RW-------P2.1 DB2-----P0.2 DB6-----P0.6 E--------P2.7 DB3-----P0.3 DB7-----P0.7 VLCD接1K2电阻到GND [注]:AT89C51的晶振频率为12MHz-1602lcm character LCD Driver demo program, link map : LCM LCM------- 51------- 51-------- 51 DB0 LCM P0 .0 DB4----------------- P2.0 P0.4 RS DB1----- P0 .1 DB5 P 0.5 RW----------------- P P2.1 DB2 Encl 0.2 DB6 E------------------ P0.3 P2.7 DB3 DB7----- P0.7 VLCD access 1K2 resistance to GND [Note] : AT89C51 oscillator frequency of 12 MHz

OV CMOS 图像传感器，单芯片方案。OV9650是市面上130万手机模组用的最多的芯片。-OV CMOS image sensor, single-chip program. OV9650 is available in the market with 1.3 million mobile phone module of the largest chip.

i2c程序，可以直接调用，用51单片机开发。-i2c procedures can be called directly, with 51 MCU Development.

8051+24c01电话

51单片机驱动LCD的子程序，LCD为定制的液晶，采用HT1621作为LCD驱动芯片-Single-chip LCD driver 51 of the subroutine, LCD for customized liquid crystal, used as the LCD driver IC HT1621

软件UART示例 两个完整的例子,一个用PCA为波特率发生器的C语言程序和一个用定时器0为波特率发生器的汇编语言程序. 适用于下列器件 C8051F000C8051F001C8051F002C8051F005C8051F006C8051F010C8051F011C8051F012C8051F015C8051F016C8051F017C8051F220C8051F221C8051F226C051F230C8051F231C8051F236-Software UART Examples of two complete example, a baud rate generator with PCA for the C language program and a use timer 0 baud rate generator for the assembly language program. C8051F000C8051F001C8051F002C8051F005C8051F006C8051F010C8051F011C8051F012C8051F015C8051F016C8051F017C8051F220C8051F221C8051F226C051F230C8051F231C8051F236 applies to the following devices

单片机波特率程序--Wave bit frequency program in SCM.

DS1302HT1302实时时钟与89C2051接口子程序