一个小键盘程序，有9个按键，通过422控制其他东西。这个设计难度主要是控制成本。-A small keyboard program, there are nine buttons, through the 422 control other things. This difficulty is mainly designed to control costs.

LCD 显示屏由三片控 制，每个内部带有6 （512字节） 的RAM 对应关系如右图所示 片选对应表：

单片机与PC机串口程序，pc机用串口调试工具发送16进制数据到单片机，单片机再返回一个接受到的信号回pc机，-SCM and PC serial port procedures, PCs with serial debugging tools to send 16-band data to a single chip, the microcontroller return to a finer signal to PCs,

用51单片机的PWM实现DA -PWM using 51 single chip realize DA

320x240LCM模块使用手册，一款非常好用的液晶显示模块，程序员开发十分方便！-320x240LCM module user manual, a very easy-to-use liquid crystal display modules, programmers to develop very convenient!

刚学了一点上位机控制,感觉这个程序不错,适合初学者,与大家共享!-Just learn to control that PC, I feel pretty good this procedure is suitable for beginners, with everyone sharing!

直接转矩电机控制，仿真程序，SIMULINK m代码实现-Motor direct torque control, simulation program, SIMULINK m code

avr steper motor control

C51单片机学习的程序和教程，同学们看后很快能入门-C51 single-chip learning process and curriculum, students will soon be able to look after the entry

msp430f169 中断方式驱动4*4矩阵键盘-msp430f169 interrupt-driven 4* 4 matrix keyboard