1602液晶显示的源程序，很是经典，不信你下下看

51单片机 24位AD CS5532读写源码-51 Single-chip 24-bit AD CS5532 to read and write source code

基于microchip公司PIC16C745单片机的USB2.0源代码-Microchip-based company PIC16C745 MCU USB2.0 source code

本程序将指定的显示缓冲区送显，并将读取的键值送显。 入口参数：显示缓冲区首地址在SADR中,要显示的位数在CNT中。 出口参数: 无。-This procedure will be sent to the designated display buffer significantly, the key will be sent to a significant reading. Entrance parameters: the first address in the display buffer SADR, it is necessary to show that the median of the CNT. Export parameters: None.

基于AT89C2051的照明系统控制程序，实现照明设备的自动控制。-AT89C2051-based lighting systems control procedures, to achieve automatic control of lighting equipment.

AVR单片机系列的ATmega162的USART编程，实现接收和发送9bit的数据的C代码-AVR Series ATmega162 the USARTs programming and achieve receive and transmit data 9bit C code

用DSPIC完成高通滤波器的设计，无疑是经济实惠的方案-DsPIC complete with high-pass filter design, is cost-effective program

9914芯片寄存器测试源文件,自检芯片使用-9914 chip register testing source, the use of self-test chip

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

５１单片机开发之　i2c中线的编程设计-Development of 51 single-chip i2c midline of Programming